MARVEL MLNP115-IS01A Undercounter Refrigeration Owner’s Manual

MARVEL MLNP115-IS01A Undercounter Refrigeration

Product Information

Specifications

• Model: MLNP115-IS01A
• Product Type: Marvel Undercounter Refrigeration
• Warranty: Register online at www.marvelrefrigeration.com
• Serial Number Location: Inside the cabinet on the left side near the top
• Refrigerant: R600a (isobutane)

Product Usage Instructions

Safety

Before installing, maintaining, or operating the appliance, please read and follow these important safety instructions:

• Exercise caution and care during installation, maintenance, and operation.
• Follow all warnings and safety instructions provided in the user manual.
• Familiarize yourself with safety symbols, words, and labels.
• Do not use sharp objects to expedite defrosting and avoid damaging the refrigerant circuit.
• Take note of the State of California Proposition 65 warnings regarding potential reproductive harm and cancer risks associated with this product.

Installation

1. Unpacking Your Appliance
2. Electrical Cutout & Product Dimensions
3. Side-by-Side & Stacking Installations
4. Installing the anti-tip device
5. Door Reversal
6. Integrated Panel Dimensions
7. Integrated Panel Installation
8. Installing The Water Supply
9. Installing the Drain plumbing

Control Operation – Service

• Service Mode
• Thermistor
• Warranty

Maintenance

• Care and Cleaning

Operating Instructions

• Using Your Electronic Control

Service

• Obtaining Service
• Troubleshooting
• Product Liability Warranty Claims
• Ordering Replacement Parts
• R600a Specifications
• System Diagnosis Guide
• Compressor Specifications
• Troubleshooting Extended

Frequently Asked Questions

Q: Where can I find the serial number of my Marvel undercounter refrigerator?

A: The serial number can be found on the serial plate located inside the cabinet on the left side near the top.

Q: How do I register my product warranty?

A: After taking delivery of your appliance, it is important to register your product warranty online at www.marvelrefrigeration.com. You will need to provide the following information: Serial Number, Date of Purchase, and Dealer’s name and address.

Q: How can I contact Technical Support for assistance?

A: You can contact our Technical Support team at 616-754-5601 with any questions or concerns you may have.

Q: Can I send photos of my installed Marvel product to be featured on your website and social media?

A: Yes, we would love to see how your Marvel product looks in its new home! You can send us photos of your installed product at marketing@marvelrefrigeration.com.

OWNER’S GUIDE & SERVICE MANUAL
MARVEL UNDERCOUNTER REFRIGERATION
Model: MLNP115-IS01A

WELCOME

Welcome to the Marvel Experience!

Warranty Registration

Thank you for choosing our quality American-built product to add to your home. We are thrilled to welcome you to our growing community of Marvel owners, who trust in our products and our support.
The information in this guide is intended to help you install and maintain your new Marvel undercounter model to protect and prolong its lifetime. We encourage you to contact our Technical Support team at 616-754-5601 with any questions.

It is important you register your product warranty after taking delivery of your appliance. You can register online at www.marvelrefrigeration.com.

The following information will be required when registering your appliance: Serial Number Date of Purchase Dealer’s name and address

Online registration available at
marvelrefrigeration.com

Got a Marvelous Design?
We would love to see how your Marvel product looks in its new home. You can send us photos of your installed product at marketing@marvelrefrigeration.com, and we might feature your Marvel home design on our website and social media!

The serial number can be found on the serial plate which is located inside the cabinet on the left side near the top.

TABLE OF CONTENTS

Tip: Click on any section below to jump directly there

Important Safety Instructions

Installation Unpacking Your Appliance Electrical Cutout & Product Dimensions Side-by-Side & Stacking Installations Installing the anti-tip device Door Reversal Integrated Panel Dimensions Integrated Panel Installation Installing The Water Supply Installing the Drain plumbing

Control Operation – Service Service Mode Thermistor Warranty

Maintenance Care and Cleaning

Operating Instructions Using Your Electronic Control

Service Obtaining Service Troubleshooting Product Liability Warranty Claims Ordering Replacement Parts R600a Specifications System Diagnosis Guide Compressor Specifications Troubleshooting Extended

3

IMPORTANT SAFETY INSTRUCTIONS
Important Safety Instructions
Warnings and safety instructions appearing in this guide are not meant to cover all possible conditions and situations that may occur. Common sense, caution and care must be exercised when installing, maintaining or operating this appliance.
Recognize Safety Symbols, Words and Labels
! WARNING
WARNING – You can be killed or seriously injured
if you do not follow these instructions.
! CAUTION
CAUTION – Hazards or unsafe practices which could result in personal injury or property/product damage.
NOTE
NOTE – Important information to help assure a
problem-free installation and operation.
! WARNING
State of California Proposition 65 Warning: This product contains one or more chemicals known to the State of California to cause birth defects or other reproductive harm.
! WARNING
State of California Proposition 65 Warning: This product contains one or more chemicals known to the State of California to cause cancer.
! WARNING
WARNING – This unit contains R600a (isobutane)
which is a flammable hydrocarbon. It is safe for regular use. Do not use sharp objects to expedite defrosting. Do not damage refrigerant circuit.
4

UNPACKING YOUR APPLIANCE

! WARNING

! CAUTION

EXCESSIVE WEIGHT HAZARD
Use two or more people to move product. Failure to do so can result in personal injury.
Remove Interior Packaging
Your appliance has been packed for shipment with all parts that could be damaged by movement securely fastened. Remove internal packing materials and any tape holding internal components in place. The getting started guide is shipped inside the product in a plastic bag along with the warranty registration card and other accessory items.
Important
Keep your carton and packaging until your appliance has been thoroughly inspected and found to be in good condition. If there is any damage, the packaging will be needed as proof of damage in transit. Afterwards, please dispose of all items responsibly.
! WARNING

If the appliance was shipped, handled or stored in other than an upright position for any period of time, allow the appliance to sit upright for a period of at least 24 hours before plugging in. This will assure oil returns to the compressor. Plugging the appliance in immediately may cause damage to internal parts.
! WARNING
WARNING – Help Prevent Tragedies
Child entrapment and suffocation are not problems of the past. Junked or abandoned refrigerators are still dangerous, even if they sit outside for “just a few hours”.
If you are getting rid of your old refrigerator, please follow the instructions below to help prevent accidents.
Before you throw away your old refrigerator or freezer: · Take off the doors or remove the drawers. · Leave the shelves in place so children may not
easily climb inside.

WARNING – Dispose of the plastic bags which can
be a suffocation hazard.

Note to Customer
This merchandise was carefully packed and thoroughly inspected before leaving out facility. Responsibility for its safe delivery was assumed by the retailer upon acceptance of the shipment. Claims for loss or damage sustained in transit must be made to the retailer.

NOTE
DO NOT RETURN DAMAGED MERCHANDISE TO THE MANUFACTURER – FILE THE CLAIM WITH THE RETAILER.

5

Do not remove ground prong

ELECTRICAL

Electrical Connection

A grounded 115 volt, 15 amp dedicated circuit is required.
This product is factory equipped with a power supply cord that has a three- pronged, grounded plug. It must be plugged into a mating grounding type receptacle in accordance with the National Electrical Code and applicable local codes and ordinances. If the circuit does not have a grounding type receptacle, it is the responsibility and obligation of the customer to provide the proper power supply. The third-ground prong should not, under any circumstances, be cut or removed.

! WARNING
Electrical Shock Hazard
· Do not use an extension cord with this appliance. They can be hazardous and can degrade product performance.
· This appliance should not, under any · circumstances, be installed to an un- grounded · electrical supply. Do not remove the grounding
prong from the power cord. · Do not use an adapter. · Do not splash or spray water from a hose on the
appliance. Doing so may cause an electrical shock, which may result in severe injury or death.

NOTE
Ground Fault Circuit Interrupters (GFCI) are prone to nuisance tripping which will cause the appliance to shut down. GFCI’s are generally not used on circuits with power equipment that must run unattended for long periods of time, unles required to meet local building codes and ordinances.

6

CUTOUT AND PRODUCT DIMENSIONS

ROUGH-IN OPENING DIMENSIONS

CABINET DIMENSIONS

“A”

“B”

“C”

“D”

“E”

“F”

“G”

“H”

“J”

15″

34″ to 35″

24″

14 7/8″

33 3/4″ to 34 3/4″”

22 7/8″

(8.1 cm) (85.7 cm to 88.3 cm) (61 cm) (37.8 cm) (86.4 cm to 88.9 cm) (58.1 cm)

–

37 3/8″ (94.9 cm)

–

“A” “B”
“E” “C”
“D”

Solid Door Shown

If necessary, to gain clearance inside the rough-in opening, a hole can be cut through the adjacent cabinet and the power cord routed through this hole to a power outlet. Another way to increase the available opening depth is to recess the power outlet into the rear wall to gain the thickness of the power cord plug. Not all recessed outlet boxes will work for this application as they are too narrow, but a recessed outlet box equivalent to Arlington #DVFR1W is recommended for this application.

7

CUTOUT AND PRODUCT DIMENSIONS

PRODUCT DATA

ELECTRICAL REQUIREMENTS #

PRODUCT WEIGHT

115V/60Hz/15A

105 lbs (47.6 kg)

“J” “D”

“H” “G”

“E”

Glass Door Shown

211/2″ (54.6 cm)
“F”

Minimum rough-in opening required is to be larger than the adjusted height of the cabinet.
A grounded 15 amp dedicated circuit is required. Follow all local building codes when installing electrical and appliance.
8

Side-by-Side Installation
Two units may be installed side-by-side.
Cutout width for a side-by-side installation is the cutout dimension of a single unit times two.
No trim kit is required. However, 1/4″ (6 mm) of space needs to be maintained between the units to ensure unobstructed door swing.
Units must operate from separate, properly grounded electrical receptacles placed according to each unit’s electrical specifications requirements.
Side-by-Side Installation with Bracket 1. Slide both units out so screws on top of units are easily
accessible.
2. Remove screws as shown below.

3. Place bracket over holes and attach to unit with two screws removed in step 2 using a T-25 Torx driver. Tighten screws fully.
4. Gently push units into position. Be careful not to entangle the electrical cord or water line, if applicable.
5. Re-check the leveling, from front to back and side to side. Make any necessary adjustments. The unit’s top surface should be approximately 1/8″ (3 mm) below the countertop.

9

INSTALLING THE ANTI-TIP DEVICE

Anti-Tip Bracket
1. Slide unit out so screws on top of unit are easily accessible.
2. Remove the two screws from the opposite side of the hinge assembly using a T-25 Torx driver (see below).
Place bracket over holes and attach to unit with two screws removed in step 2 using a T-25 Torx driver. Tighten screws fully.
Gently push unit into position. Be careful not to entangle the electrical cord or water line, if applicable.
Check to be sure the unit is level from front to back and side to side. Make any necessary adjustments. The unit’s top surface should be approximately ¹»” (3 mm) below the countertop.
Secure bracket into adjoining surface.
10

Door Adjustments
HINGE COVER Hinge cover included with the literature bag is optional.
To install hinge cover: 1. Press hinge cover squarely over hinge.
Hinge Cover

REVERSING THE DOOR
Location of the unit may make it desirable to mount the door on the opposite side of the cabinet.
The hinge hardware will be removed and reinstalled on the opposite side of the cabinet.
TO REVERSE THE DOOR

DOOR ALIGNMENT AND ADJUSTMENT
Align and adjust the door if it is not level or is not sealing properly. If the door is not sealed, the unit may not cool properly, or excessive frost may form in the interior.
NOTICE Properly aligned, the door’s gasket should be firmly in contact with the cabinet all the way around the door (no gaps). Carefully examine the door’s gasket to ensure that it is firmly in contact with the cabinet. Also make sure the door gasket is not pinched on the hinge side of the door.
To align and adjust the door:
1. Gently pry off hinge cover from top of unit.
2. Loosen (do not remove) top and bottom hinge screws using a Torx T-25 screwdriver.
3. Align door squarely with cabinet.
4. Make sure gasket is firmly in contact with cabinet all the way around the door (no gaps).
5. Tighten bottom hinge screws.
6. Tighten top hinge screws and replace hinge cover.

Remove grille:
Remove the grille (see GRILLE INSTALLATION section of this guide).
Remove top hinge and door:
1. Hold door to keep it from falling. 2. Remove top hinge from cabinet using a Torx T-25
screwdriver to remove three screws. Set aside and save for possible future use.

11

3. Remove door by tilting forward and lifting door off bottom hinge. Retain shoulder washers; they will be reused.
4. Remove three screws from hinge holes on the opposite side. Reinstall into holes where the hinge was removed. (If utilizing supplied screw cover, install just one screw.)
Remove bottom hinge:
1. Remove bottom hinge from cabinet using a T-25 TORX screw driver to remove three screws.

Install top hinge and door:
1. Install hinge with longer straight edge aligned to outside edge of cabinet. Do not tighten.

2. Remove corresponding screws on opposite side of cabinet. On some models there may be a nut behind one or both screws on either side.
Install bottom hinge:
Install two or three screws, depending on model. Replace nuts if used.

2. Rotate door 180o and set on bottom hinge. 3. Align edge of the hinge with the outer edge of the unit. 4. Tighten three hinge screws.
Align and adjust the door: Align and adjust the door (see DOOR ALIGNMENT AND ADJUSTMENT) Install grille and hinge cover

12

INTEGRATED PANEL DIMENSIONS

Integrated Panel Dimensions
NOTE
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Integrated Panel Preparation
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BACK SURFACE MUST HAVE AMPLE FLAT SURFACE

TO MOUNT OVERLAY PANEL FLAT AND WITHOUT INTERFERENCE

3/4″

(20 mm)

14-3/4″ (375 mm)

30-1/4″ (768 mm)
Integrated Panel

13

INTEGRATED PANEL INSTALLATION
5/8″ (1.6 cm) or 3/4″ (1.9 cm) panel 14 5/8 (37.1 cm) width 29 21/32″ (75.3 cm) height

NOTE

NOTE

NOTE
14

USING YOUR ELECTRONIC CONTROL

Control Function Guide

Function

Command

ON/OFF

Press and release.

Adjust ice density

See “Ice” section

Enable Sabbath Mode

Press and hold for 5 seconds and release

Disable Sabbath Mode Clean Mode

Press and release See “Cleaning” section

Showroom Mode

Hold and for 5 seconds

Door Alert Notification
When the door is left open for more than 30 minutes:

· A tone will sound for several seconds every minute

·

will appear in display

· Close door to silence alert and reset

Notes
Unit will immediately turn ON or OFF.
The oF / oC symbol will flash briefly after 5 seconds. Interior light and display will go dark and remain so until user resets mode unit continues to operate Display and interior light return to normal operation
The ºF / ºC symbol will flash. Display will be lit and interior light will function. Unit will not cool. Repeat command to return to normal operation

15

INSTALLING THE WATER SUPPLY

Water Hookup
! CAUTION
TO PREVENT DAMAGE TO YOUR ICE MACHINE AND/ OR VOID YOUR WARRANTY, FOLLOW ALL WATER SUPPLY GUIDELINES AS LISTED BELOW.

Measure Water TDS
Every Nugget Ice Machine comes with a TDS meter similar to the one below. The TDS meter measures the Total Dissolved Solids level that exists in the water supply; this is measured in ppm (parts per million).

TDS
TDS
ON OFF
HOLD ON OFF
HOLD

! CAUTION

! WARNING

Plumbing installation must observe all state and local codes. All water and drain connections MUST BE made by a licensed/qualified plumbing contractor. Failure to follow recommendations and instructions may result in damage and/or harm.

WARNING – The TDS meter does not test the toxicity of the water and is not to be used to determine potability. A TDS METER CANNOT DETECT THE TOXINS THAT MAKE WATER UNSAFE TO DRINK.

Water Supply
When connecting the water supply, please note the following:
· Water Mineral Content must meet the following:
TDS: less than 200 ppm (mg/l) Hardness: Less than 200 mg/l (12 gpg) · Water supply MUST NOT be from a water softener.
· A TDS meter is included with your unit
· Water Treatment Options
TDS level of 200 ppm or higher and/or a hardness of 12-19 gpg can be treated by Marvel’s in-line water filter accessories available at marvelrefrigeration.com:
· S41016343-ACCY — Standard
· S41016344-ACCY — Large
· S41016345-ACCY — Filter head 3/8″ NPT, initial setup requires head & filter
· Use bypass level 6

1. Turn on sink faucet and let run for 30 seconds. 2. Fill a clean glass (2 inches of water is sufficient). 3. Remove cap from meter. 4. Turn on meter and immerse meter into the water.
TDS
ON OFF HOLD

PPM

5. Leave meter immersed for 30 seconds.
6. Remove meter and check the readout for the TDS level in ppm – to save the reading, press the hold button.

PPM
7. Turn off meter, dry off, and replace cap. 16

INSTALLING THE WATER SUPPLY

Based upon the TDS measurement, see the below table to determine the correct filter required to protect the ice machine.

Water Quality 200 TDS and/or 12 gpg hardness or less
201-400 TDS and/ or 12-19 gpg hardness
400+ TDS, and/or 20+ gpg hardness

1-3 Users

4+ Users

Required Standard Filter Change 1x per year

Required Large Filter Change 1x per year

Required Large Filter Change 1x per year

Required Large Filter Change 2x per year

Contact your local water professional

Water Hookup
1. Turn off water supply and disconnect electrical supply to product prior to attempting installation.
2. Remove the back panel.
3. Thread water line through back panel hole (with bushing).
4. Locate water valve inlet and connect to valve.

· The water pressure should be between 20 and 120 psi

(138 and 827 kPa).

· The water line MUST have a shut-off valve in the

3

supply line.

· The water line should be looped into 2 coils. This will allow the unit to be removed for cleaning and servicing. Make certain that the tubing is not pinched or damaged during installation.

! CAUTION
Do not use any plastic water supply line. The line is under pressure at all times. Plastic may crack or rupture with age and cause damage to your home.
Do not use tape or joint compound when attaching a braided flexible water supply line that includes a rubber gasket. The gasket provides an adequate seal ­ other materials could cause blockage of the valve.
Failure to follow recommendations and instructions may result in damage and/or harm, flooding or void the product warranty.
Use new hose set. Do not reuse old hose set.
! CAUTION

4
5. Turn on water supply and check for leaks. 6. Reinstall back panel.

Turn off water supply and disconnect electrical supply to unit prior to installation.
Use caution when handling back panel. The edges could be sharp.

17

INSTALLING THE DRAIN PLUMBING

Drain
Model numbers including “CL” or “NB” do not include a factory installed drain pump.
Model numbers including “CP” or “NP” include a factory installed drain pump.
Drain Connection
! CAUTION

A gravity drain may be used if:
· Drain line has at least a 1″ drop per 48″ (approximately 2 cm drop per 100 cm) of run.
· Drain line does not create traps and is vented per local code.
1. Cut the pre-installed drain tube to length. 2. Connect to your local plumbing per the local code. 3. If necessary, insulate drain line to prevent condensation.

If your Marvel unit did not come with a factory installed drain pump you must use a gravity style drain connection. For assistance in determining if your unit has a pump please contact Marvel. The floor drain must be large enough to accommodate drainage from all attached drains. Follow these guidelines when installing drain lines to prevent water from flowing back into the ice maker storage bin and/or potentially flowing onto the floor, which may result in personal injury or property damage
NOTE
Drain can NOT be located directly below the unit. Unit has a solid base that will not allow the unit to drain below itself. There is a possibility that hose connections may have loosened during shipment. Verify all connections and fittings are free from leaks.

! CAUTION
Failure to connect water supply or drain line connections properly can result in personal injury and property damage. Gravity drain connections must be routed downward from the rest of the unit at the rate of 1/4″ per foot (1 cm per 50 cm).
Factory Installed Drain Pump
If your drain line will run up to a stand pipe, disposal or spigot assembly, or does not otherwise meet the requirements for a gravity drain, you may have ordered a pre-installed drain pump. If you need to install a drain pump into your unit, see Drain Pump section in the Owner’s Guide.
See next page for typical installations requiring a drain pump.

! CAUTION

This equipment is to be installed with adequate backflow protection to comply with applicable federal, state and local codes.
Gravity Drain

18

INSTALLING THE DRAIN PLUMBING
NOTE
The maximum lift for the P60 drain pump is 10 feet. This must be done as close to the rear of the unit as possible.
19

CARE AND CLEANING

Exterior Cleaning – Stainless Models
Stainless door panels, handles and frames can discolor when exposed to chlorine gas, pool chemicals, saltwater or cleaners with bleach. Keep your stainless unit looking new by cleaning with a good quality all-in-one stainless steel cleaner and polish monthly. For best results use Claire® Stainless Steel Polish and Cleaner. Comparable products are acceptable. Frequent cleaning will remove surface contamination that could lead to rust. Some installations may require cleaning weekly.
! CAUTION
Do not clean with steel wool pads. Do not use cleaners not specifically intended for stainless steel on stainless steel surfaces (this includes glass, tile, and counter cleaners). Do not use stainless steel cleaners or polishes on any glass surfaces. Clean any glass surfaces with a non-chlorine glass cleaner.
If any surface discoloring or rusting appears, clean it quickly with Bon-Ami® or Barkeepers Friend Cleanser® and a nonabrasive cloth. Always clean with the grain. Always finish with Claire® Stainless Steel Polish and Cleaner or comparable product to prevent further problems.
! CAUTION
Using abrasive pads such as ScotchBriteTM will cause the graining in the stainless steel to become blurred. Rust not cleaned up promptly can penetrate the surface of the stainless steel and complete removal of the rust may not be possible.

! CAUTION
Do not use any solvent-based or abrasive cleaners. These types of cleaners may transfer taste and/or odor to the interior products and damage or discolor the interior.
Ice Machine Cleaning Cycle
This ice machine has an automatic clean alert function. The control will indicate CL in the display, reminding you to clean your unit. When CL is displayed, ice production will continue. Depending on water conditions, more frequent cleaning may be necessary: see chart below. Cleaning removes lime scale, other mineral deposits, and sanitizes the machine. Poor ice quality and reduced ice output are signs that cleaning is necessary.

! CAUTION
BEFORE RUNNING THE CLEANING CYCLE, MEASURE THE TDS (TOTAL DISSOLVED SOLIDS) LEVEL OF YOUR WATER SUPPLY.
(See Installing the Water Supply section in this guide to find instructions for using the TDS meter that was included with this ice machine.)

TDS (Total Dissolved Solids) (ppm) 5 – 150 ppm
150 – 200 ppm

Cleaning Interval 6 months 4 months

Replacement TDS meter may be ordered at marvelrefrigeration.com, part # 80-55672-00.

Panel-Ready Models

To clean integrated panels, use household cleaner per the cabinet manufacturer’s recommendations.

Interior Cleaning

Disconnect power to the unit. Clean the interior and all removed components using a mild nonabrasive detergent and warm solution applied with a soft sponge or nonabrasive cloth. Rinse the interior using a soft sponge and clean water.

20

Required for cleaning: · Hose and funnel – provided with unit · Bucket and cleaning sponge · Clean potable water · SafeCLEAN PlusTM Cleaner 1-8oz. bottle – Available for purchase from Marvel
Need more cleaner? Call Marvel Customer Service at 616.754.5601.
!
21

! WARNING NOTE
22

! CAUTION
23

OBTAINING SERVICE

If Service is Required:
· If the product is within the first year warranty period please contact your dealer or call Marvel Customer Service at 616.754.5601 for directions on how to obtain warranty coverage in your area.
· If the product is outside the first year warranty period, Marvel Customer Service can provide recommendations of service centers in your area. A listing of authorized service centers is also available at www.marvelrefrigeration.com under the service and support section.
· In all correspondence regarding service, be sure to give the service number, serial number, and proof of purchase.
· Try to have information or description of nature of the problem, how long the appliance has been running, the room temperature, and any additional information that may be helpful in quickly solving the problem.
· Table “B” is provided for recording pertinent information regarding your product for future reference.

Date of Purchase

For Your Records

Dealer’s name Dealer’s Address Dealer’s City Dealer’s State

Dealer’s Zip Code Appliance Serial Number

Appliance Service Number
Date Warranty Card Sent (Must be within 10 days of purchase).

Table B

24

Troubleshooting

BEFORE CALLING FOR SERVICE If you think your Marvel product is malfunctioning, read the CONTROL OPERATION section to clearly understand the function of the control. If the problem persists, read the NORMAL OPERATING SOUNDS and TROUBLESHOOTING GUIDE sections below to help you quickly identify common problems and possible causes and remedies. Most often, this will resolve the problem without the need to call for service.
If your product needs service, please go to www.marvelrefrigeration.com and navigate to the Service page to locate a Marvel Authorized servicer. If your product is in warranty please make sure to register it at www.marvelrefrigeration.com /warranty-registration. If you have any issues following this process you can contact Marvel Refrigeration by phone at +1.616.754.5601.
If you call, you will need your product Model and Serial Numbers. This information appears on the Model and Serial number plate located on the interior of your product, most often placed on the ceiling.
NORMAL OPERATING SOUNDS
All models incorporate rigid foam insulated cabinets to provide high thermal efficiency and maximum sound reduction for its internal working components. Despite this technology, your model may make sounds that are unfamiliar.
Normal operating sounds may be more noticeable because of the unit’s environment. Hard surfaces such as cabinets, wood, vinyl or tiled floors and paneled walls have a tendency to reflect normal appliance operating noises.
Listed below are common refrigeration components with a brief description of the normal operating sounds they make. NOTE: Your product may not contain all the components listed.
· Compressor: The compressor makes a hum or pulsing sound that may be heard when it operates.

· Evaporator: Refrigerant flowing through an evaporator may sound like boiling liquid.
· Condenser Fan: Air moving through a condenser may be heard.
· Running Water: As your unit continues to produce ice you will hear water flowing into the collection chambers and running through the evaporator.

TROUBLESHOOTING GUIDE
A DANGER
ELECTROCUTION HAZARD. Never attempt to repair or perform maintenance on the unit before disconnecting the main electrical power.
Troubleshooting – What to check when problems occur:

Problem
Unit Does Not Operate. Electronic Display Blank. Display Showing Error Code.
Unit Develops Condensation on External Surfaces. Poor Ice Quality.
No Ice Production.

Possible Cause and Remedy
No electrical supply. Plug unit in or check circuit breaker.
If display shows error “dr”, check to make sure door is sealing correctly. Make sure to close door completely. If sealing the door does not clear the error, contact U-Line service for more information.
The unit is exposed to excessive humidity. Moisture will dissipate as humidity levels decrease.
Unit may not be level. Check if unit is level. Ice maker system may be dirty. Clean the ice maker.
Ensure water is being supplied to the unit. Verify the ice making unit is turned on.

Not Enough Ice.
Water in Ice Bin.

Ensure the condenser coil is clean and free of any dirt or lint build-up.
Drain may be restricted, ensure drain is free of foreign debris.

25

APPENDIX
E11: Sensor in base near fan detecting water
This sensor is designed to detect water escaping the product due to any type of malfunction inside the machine. Once activated, the only way to reset this error is to completely dry the two probes and cycle power to the machine via the rocker switch or power cord. Once power is cycled, it will take 20 minutes to reactivate the error code. Only the drain pump will retain power and be able to activate under this condition.
Inspect the entire base area in front and behind the sensors.

b. If TDS is acceptable, unit must be cleaned and any leakage addressed with a seal kit. (Marvel service part # 80-55371-13)
Area in Front of Sensors (Condenser Side) is Wet · Check connection from bin to drain. No Water is Evident 1. Power cycle to reset error 2. Check sensors to ensure there is a gap between
sensors and pan as shown. 3. If error persists, check wiring to sensors for a
short.

Water Sensors

Area Behind Sensors

Area In Front Sensors

Area Behind Sensors is Wet
1. If the unit is equipped with a drainage pump, inspect it for leaks – check connections.
2. Remove pump and check all connections on water valves, water supply, and drain.
3. Check bolt on water reservoir. If loose, it may leak during a clean cycle when reservoir is filled to the top. Torque Spec. is 16 in-lbs.
4. Check areas around ice maker auger on both ends. If any leakage is evident, it is likely poor water quality and/or failure to clean is the cause.
a. Check TDS – if outside tolerance, please report to factory and advise homeowner that repairs cannot be made to unit until water quality issue is resolved. Filters available at u-line.com are able to treat TDS up to 600.

Gap
E12: Float switch in reservoir not rising
This error is designed to ensure sufficient water exists to produce ice, thus preventing permanent damage to the module. In order for this error to occur, the ice-making sequence must initiate two tries to fill the reservoir. This may take an hour or more to generate the error code.
Steps to check and correct – remember it is necessary to power cycle after making the corrections. 1. Check incoming water supply to ensure it is turned on
and has sufficient pressure. 2. Verify water filter(if applicable) is in place and has
been replaced on schedule. 3. If unit is a 1 Class product, enter service mode and
activate relay 4 to determine if unit fills with water. a. If it does not fill, check water valve for power
during sequence. · If there is power, check valve resistance to
determine if coil is shorted. · Check valve to ensure it is not blocked with
debris.
26

b. If unit fills, the float switch is malfunctioning and needs to be replaced (part # 80-55538-00).
4. If unit is 3 Class product, enter service mode and activate relays 1 and 4 to determine if unit fills with water. a. If it does not fill, check water valve for power during sequence. · If there is power, check valve resistance to determine if coil is shorted. · Check valve to ensure it is not blocked with debris. b. If unit fills, the float switch is malfunctioning and needs to be replaced (part # 80-55538-00).
E13: Float switch in reservoir not dropping quickly enough
This error is designed to detect insufficient ice product due to overheating or poor water quality. Failure to address this error can cause permanent damage not covered under warranty. The user may notice deteriorating ice quality prior to the error.
Steps to check and correct – remember it is necessary to power cycle after making the corrections.
1. Ice is slushy and user noticed deterioration in quality prior to the error.
a. Check condenser and toe kick. Fan must be operating and clear of debris.
b. Check TDS level. High levels of TDS will result in this error.
2. In more severe conditions, not covered above, the unit may run up to an hour prior to generating this error, resulting in very slushy ice or no ice production at all.
a. High TDS. High TDS restricts ability to produce ice and causes excessive buildup of minerals on the ice-making mechanism. A single cleaning may not resolve this condition.
b. General cleaning has not been performed. A single cleaning may not resolve this condition.
c. If customer has unit connected to a water softener, have them consult a plumber to disconnect from the softener.

d. Check compressor operation. · If unit is not cooling or compressor is not operating, diagnose and fix system problem. · If unit is cooling, check auger for rotation. If not rotating, check the motor and electrical connections to auger.
3. If the ice has been solid and appears solid after a power cycle check it is possible the float switch is not operating properly and should be replaced.
P1: Drain related error
This error is designed to prevent water related issues due to a failure of the unit to drain water. In most cases this error is not related to the unit and related to improper installation or restriction of the drain line. 1. If the unit does not have a drain pump this error is
generated by a missing jumper on the power harness. Inspect and install jumper. 2. If the unit does have a drain pump. a. Check the installation to ensure the drain line is
not restricted leaving the unit. b. Inspect the drain pump to determine if the motor
is operating. A slight noise should be heard if the pump is full of water.
Ice Level Issues If there is a complaint regarding the unit filling too full with ice. 1. Check the thermistor to ensure it is installed properly
and any holes through the rear of cabinet are completely sealed with sealing compound. Warm air that can make its way to the thermistor will give improper readings and cause the bin to overfill. 2. The bin thermistor offset may be changed via service mode option #5. Be careful to adjust in small increments to suit customer preferences.
27

Product Liability
Field service technicians are authorized to make an initial assessment in the event of reported damages. If there are any questions about the process involved, the technician should call Marvel for further explanation. While inspecting for defects or installation issues, photos should be taken to document any damages or issues found. During the assessment, if the service technician is able to find the source of the damage and it can be resolved by replacement of a part, the servicer is authorized to replace the part in question. The part that caused the damage must be returned to Marvel in its entirety. The part must be clearly labeled with the serial number of the unit it was removed from, the date, and the servicer who removed the part. If the service technician determines the damage is the result of installation issues (water connection/drain, etc.), the consumer would be notified and the issues shall be resolved at the direction of the consumer. If damage is evident and the service technician is unable to find the source, Marvel must be contacted at 616.754.5601 for further direction.
1260 E. Van Deinse St· Greenville, MI 48838 T: +1.616.754.5601
Website: www.marvelrefrigeration.com The original refrigeration experts since 1892.
Product Liability
28

Warranty Claims

The following information defines the parameters for filing a warranty claim:
· Valid serial number needed
· Valid model number needed
· Claims must be submitted online at www.marvelservice.com
· 60 day submittal d eadline from date of completed service
· Only one repair or unit per warranty claim
· Part order numbers will be required when submitting for warranty labor

Units must be registered prior to warranty submittal. Customers may register at www.marvelrefrigeration.com. A proof of purchase is required. We also accept the following information to update warranty:
· New construction occupancy documents
· Closing paperwork
· Final billing – Remodel
Warranty parts will be shipped at no charge after Marvel confirms warranty status. Please provide the model, serial number, part number and part d escription. Some parts will require color or voltage information.

17 14862 05 0527

1 I II

Year

Month

Day Factory

use Only

Warranty Claims

29

Ordering Replacement Parts
Parts may be o rdered online at partsformarvel.com
Or contact:
www.marvelrefrigeration.com (Servicers choose “Login” for service account). Phone Numb er: 616-754-5601
NOTICE Use only genuine Marvel replacement parts. The use of non-Marvel parts can reduce performance, damage the unit, and void the warranty.
Warranty parts will be shipped at no charge after Marvel confirms warranty status. Please provide the model, serial number, part number and part description. Some parts will require color or voltage information.
Marvel requires the return of original parts, we will inform you when the parts order is taken. This requirement will be noted on your packing list. A prepaid shipping label will be emailed to you. Please enclose a copy of the parts packing list and be sure the model and serial numbers are legible on the paperwork. Tag the part with the reported defect.
Customers and non-authorized servicers may order non warranty parts at www.partsformarvel.com. Authorized servicers with a servicer login may order non-warranty
parts at www.marvelrefrigeration.com.

Ordering Replacement Parts

30

R-600A Specifications & Handling

Gloves and Eye Protection must be used.
,.,
. ·
‘

R-600a is considered non-toxic, but is flammable when mixed with air.
Keep a dry powder type fire extinguisher in the work area.

RISK Of FIRE OR EXPLOSION. FLAMMABLE REFRIGERANT USED. TO BE REPAIRED ONLY BY TRAINED SERVICE PERSONNEL DO HOT PUNCTURE REFRIGERANT TUBING
RISK Of FIRE OR EXPLOSION. FIAMHA_BLE REFRIGERANT USED. CONSULT REPAIR IIANUAVOWHER’S GUIDE BEFORE ATTEMPTING TO SERVICE THIS PRODUCT. ALL SAFETY PRECAUTIONS HUST BE FOUOWEO. RISK Of FIRE OR EXPLOSION. DISPOSE Of PROPERTY IN ACCORDANCE WITH FEDERAL OR LOCAL REGULATIONS. FLAHHABLE REFRIGERANT USED.
R-600A Specifications

R-600a is heavier than air, do not allow any leakage/migration to low areas such as basements and stairs.
Never use a torch on a fully charged refrigeration system.
Never substitute Marvel OEM replacement parts or methods of construction.
R-600a must be stored and transported in appro ved containers.
31

I IA WARNING
Only skilled and well trained service technicians permitted to service R-600a equipped products.
All tools and equipment must be approved for use with R-600a refrigerant.
Local, state and federal laws, standards must be observed along with proper certification and licensing.
Ventilation is required during servicing.
No conversions to R-600a from any other refrigerants. OEM R-600a equipped unit only.
Service area must be free of ignition sources.
No smoking is allowed in the service area.
All replacement electrical components must be OEM and installed properly (sealed and covered).
If the evaporator is cold prior to service, it must be thawed prior to service.
When using a vacuum pump, start pump before opening refrigeration system.
Vacuum pump and recovery equipment should be at least 10 feet from the work area.
It is recommended that a simple LPG gas detector is on site during service.
Ensure that all R-600a is removed from the system prior to brazing any part of the sealed system.
Only a clean, dry leak free system should be charged with R-600a.

R-600A SPECIFICATIONS/LABELING R-600a equipped products are labeled (both the unit and the compressor).
R-600a is colorless and odorless.
R-600a is considered non-toxic, but is flammable when mixed with air.
Do not remove or alter any R-600a labeling on the product.
Use only a refrigerant grade R-600a from a properly labeled container.
RECOVERING/RECLAIMING R-600A (R-600a has been exempted from recovery/reclaiming requirements by the US EPA)
Recovery/Reclaiming equipment must be approved for use with R-600a.
Ensure the evaporator is at room temperature prior to recovery/reclaiming R-600a.
Use a common piercing pliers or piercing valve to remove R-600a from the compressor process tube. (Note: Piercing devices must not be lelt on the system and must be replaced with a Schrader type valve.)

R-600A Specifications

32

Evacuate/reclaim via the piecing pliers to ensure the system is empty of R-600a before any system work is performed.
GAS LEAi<
LOCATOII
The recovery cylinder must be evacuated (no air inside) prior to accepting R-600a. The recovery cylinder must not be filled more than 45% safe fill level and refrigerants must not be mixed. The recovery cylinder must be clearly marked with R600a and Flammable Warning labels.
Ensure proper ventilation during recovery/reclaiming of R600a. Start vacuum pump/recovery pump prior to piercing the compressor process tube.
Follow recovery/reclaim OEM instructions for the specific equipment used.
SYSTEM REPAIR Ensure no residual R-600a refrigerant is left within the system prior to repair (simple venting is not sufficient).
Evacuate and charge with dry nitrogen for leak checks.
Repair leaks or replace system parts as required.

When re-brazing, the system must be purged with dry nitrogen and at least one access point open to the atmosphere. When re-brazing, proper ventilation is required along with constant monitoring for the presence of R600a refrigerant. The filter dryer must be replaced any time the sealed system is serviced. No system should be open to the atmosphere for longer than 15 minutes to avoid moisture migration into the system components. LEAK DETECTION After removal of the R-600a, the unit can be charged with dry nitrogen or helium. Electronic leak detection or soap solution can be used to check for nitrogen/helium leaks.
Never use a halide torch or lighted match to check the system for leaks at any time. The high side of the refrigeration system (compressor discharge to outlet of drier) must be leak tested with the compressor running.

R-600A Specifications

33

The low side of the refrigeration system (evaporator, compressor and suction line) must be leak tested with the compressor off (equalized pressure).
RECHARGING No air is ever to be allowed inside the refrigeration system (R-600a refrigerant or dry nitrogen only).
Never use a torch on a fully charged refrigeration system.
Install a Schrader Type access port on the compressor process stub.

Proper ventilation during service is required.
Never apply a torch to a charged R-600a refrigeration system.
Use OEM replacement service parts and do not alter the construction of the unit.

Evacuate the system to 100 microns prior to charging.
Weigh in the R-600a charge using a refrigerant scale. (run compressor an extra two minutes to clear the charging hoses).
Seal the Schrader Type access port, a proper cap and seal must be used to close the system.

SUMMARY Safely handling R-600a requires proper procedures and training.
R-600a approved service tools must be used.
R-600a labeling must not be removed or altered.

R-600A Specifications

34

System Diagnosis Guide
REGRIGERATION SYSTEM DIAGNOSIS GUIDE

System Condition
Normal

Suction Pressure
Normal

Overcharge Higher than normal
Undercharge Lower than normal

Suction Line
Slightly below room temperature
Very cold may frost heavily
Warmnear room temperature

Partial Restriction

Somewhat

Warm-

lower than

near room

normal vacuum temperature

Complete Restriction
No Gas

In deep vacuum
0 PSIG to 25″

Room temperature (cool)
Room temperature (cool)

Compressor Condenser Discharge

Very hot

Very hot

Capillary Tube
Warm

Evaporator Wattage

Cold

Normal

Slightly warm Hot to warm Cool to hot

Cold

Higher than normal

Hot
Very hot
Room temperature (cool) Cool to hot

Warm

Warm

Top passes warm Lower passes cool (near room temperature) due to liquid
Room temperature (cool)
Room temperature (cool)

Room temperature (cool) or colder
Room temperature (cool) Room temperature (cool)

Extremely cold near inlet – Outlet below room temperature
Extremely cold near inlet – Outlet below room temperature backing up
No refrigeration
No refrigeration

Lower than normal
Lower than normal
Lower than normal Lower than normal

System Diagnosis Guide

35

Compressor Specifications

A DANGER
Electrocution can cause death or serious injury. Burns from hot or cold surfaces can cause serious injury. Take precautions when servicing this unit.
Disconnect the power source.
Do not stand in standing water when working around electrical appliances.
Make sure the surfaces you touch are not hot or frozen.
Do not touch a bare circuit board unless you are wearing an anti-static wrist strap that is grounded to an electrical ground or grounded water pipe.
Handle circuit boards carefully and avoid touching components.

REFRIGERANT VOLTAGE FREQUENCY START WINDING RUN WINDING RUN TO START LRA FLA STARTING DEVICE

FMXA9C R600A 115 VAC 60 Hz 5 Ohm at 77° F 7 Ohm at 77° F 12 Ohm at 77° F 8.0 A 2.18 A
Run c 12VF 250V P2

*All resistance readings are± 10%

Compressor SpeciAcations

36

Troubleshooting – Extended
! CAUTION
Never attempt to repair or perform maintenance on the unit until the main electrical power has been disconnected from the unit.
SPECIFIC ERRORS AND ISSUES The advanced diagnostic capabilities of the electronic controls utilized on the 1, 3, and 5 Class units allow for easy and thorough troubleshooting.
Navigation of the control is the key and is explained in the CONTROL OPERATION section of the manual, along with control button layout, control function descriptions, a service mode menu and service menu selection explanations.
Verification of temperature and thermistor performance can be identified by directly viewing thermistor readings in the service mode.
Included in this section are some diagnostic tips and of course, if additional help is required, please contact the Marvel Refrigeration, “Customer Care Facility” at 616.754.5601 for assistance.

NORMAL OPERATING SOUNDS
All models incorporate rigid foam insulated cabinets to provide high thermal efficiency and maximum sound reduction for its internal working components. Despite this technology, your model may make sounds that are unfamiliar.
Normal operating sounds may be more noticeable because of the unit’s environment. Hard surfaces such as cabinets, wood, vinyl or tiled floors and paneled walls have a tendency to reflect normal appliance operating noises.
Listed below are common refrigeration components with a brief description of the normal sounds they make. NOTE: Your product may not contain all the components listed.
· Compressor: The compressor makes a hum or pulsing sound that may be heard when it operates.
· Evaporator: Refrigerant flowing through an evaporator may sound like boiling liquid.
· Condenser Fan: Air moving through a condenser may be heard.
· Automatic Defrost Drain Pan: Water may be heard dripping or running into the drain pan when the unit is in the defrost cycle.
Solenoid Valves: An occasional clicking sound may be heard as solenoid valves are operated.

Troubleshooting Extended

37

TROUBLESHOOTING GUIDE

Concern Not Cooling

Potential Causes Compressor overheating

Compressor not operating

Compressor operating – no cooling

Frozen Product

Control set too cold

Thermistor failure

Frost Buildup Inside Unit

Door Ajar or Restricted from Closing

Thermistor failure

Display Not Working

Display unplugged

Display wiring broken or damaged

Interior Lights Not Door switch misaligned or defective Working

Noisy

Refrigeration tubing touching cabinet

Fan blade obstruction (wiring, foam insulation, packaging material)

Action Verify proper air flow through condenser. Is condenser clean? Confirm condenser fan operation. Test overload and relay, replace as needed.
Refer to System Diagnosis Guide.
Adjust Set Point Temp accordingly.
Check Error Log in Service Mode, OHM thermistor.
Check door clearance to adjoining cabinetry. Check distribution of product in unit. OHM thermistor Verify that both ends of the display wiring are firmly connected. Perform continuity test of wiring and replace as needed. Check the function of reed switch and door magnet adjustment.
Carefully reposition tubing. Remove obstruction.

Troubleshooting Extended

38

MAIN CONTROL

The main control board is very robust and is rarely the cause of system issues. It is important to fully diagnose the board for any suspected failures before attempting to remove the board for replacement or service. Follow the guidelines below to fully test and diagnose the main control.
Power Fault
If the unit does not (or seems to not) power on, follow the flow chart below to help diagnose the issue. Before beginning it is important to first verify the unit is not simply set to sabbath mode.

Check Voltage At Wall Outlet

No Voltage

Alert Customer Of Power Failure

Voltage

Verify Voltage At Main Control Voltage Input

No Voltage

Voltage

Replace Power Cord

Check Fuse F1 For Continuity

No Continuity

Replace Fuse

Continuity

Connect Test Display Cycle Power And Check
For Operation

Operating

Inspect Customer UI and Data Cable

Not Operating

Is the Rocker Switch Operating
Properly?
No

Yes

Replace Main

Board

Replace Rocker Switch

! CAUTION
Precautions must be taken while working with live electrical equipment. Be sure to follow proper safety procedures while performing tests on live systems.
ROCKER SWITCH A rocker switch is used to monitor door state. When the door is closed it comes into contact with the rocker which closes a circuit which turns the light and display off. When the door is open the rocker moves outward and opens the circuit. If the door is left open for longer than 5 minutes the switch will trigger an error code and set an audible warning.

Troubleshooting Extended

39

Control Operation-Service

UI BUTTON LAYOUT
2 3 / /

4 5 6 / / /

1. Hidden Button -Access Service Menu -No LED directly above. All LEDs turn on with button
2. Up Button -Increases temperature -Navigates through service menu
3. Down Button -Decreases temperature -Navigates through service menu
4. Light Button -Activates light for 3 hours on select models -Used to select items in service menu
5. Power Button -Turns unit off/on
6. Clean Button -Activates Clean Cycle on select models -Toggles between zones in Dual-Zone models

CONTROL FUNCTION GUIDE

FUNCTION ON/OFF Sabbath Mode

COMMAND

DISPLAY/ OPTIONS

Press and release Unit will immediately turn ON or OFF

See “Sabbath Mode” section

SHOWROOM MODE This mode is designed to show units in a display environment. When in this mode the only functions will be the control and cabinet lights. The compressor, fans, etc. will not operate. To enter/exit this mode hold the light key and the power key for 5 seconds. The display will f1ash once and beep and the degree symbol will begin to f1ash. When the degree symbol is f1ashing the unit will allow the use of the control for demonstrations. The unit can be le in this mode indefinitely.
SERVICE MODE This mode has options available for service diagnostics. To enter the mode hold the hidden key for 10 seconds. The display will show “O.” When in this mode use the up and down arrows to select the desired option. The LIGHT key is the ENTER key and will initiate the function. If changing a setting, you must press the LIGHT key again to retain the changed setting. To exit the service mode scroll to option “O” and press the LIGHT key. After Ave minutes of not touching any keys the mode will also exit automatically.

Control Operation-Service

40

SERVICE MODE GUIDE

([LW 7KHUPLVWRUWHPSHUDWXUHQRWLQFOXGLQJRVHWV 7KHUPLVWRUWHPSHUDWXUHQRWLQFOXGLQJRVHWV 7KHUPLVWRUWHPSHUDWXUHQRWLQFOXGLQJRVHWV 7KHUPLVWRUWHPSHUDWXUHQRWLQFOXGLQJRVHWV 7KHUPLVWRURVHW 7KHUPLVWRURVHW 7KHUPLVWRURVHW 7KHUPLVWRURVHW
9. Thermistor 2 set point 7KHUPLVWRUVHWSRLQW
11. Thermistor 4 set point. ‘HIURVW,QWHUYDOWRKU ‘HIURVWGXUDWLRQWRPLQ (UURU/RJ6HH$SS[‘ &OHDUHUURUORJKROGOLJKWNHXQWLOFOHDUHG 7KHUPLVWRUGLHUHQWLDO 7KHUPLVWRUGLHUHQWLDO (YDSRUDWRUIDQRQGHODWRVHF (YDSRUDWRUIDQRGHODWRVHF ,QGLYLGXDOFRPSRQHQWWRJJOH
2SWLRQ([LW 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ’&2XWSXW 2SWLRQ’&2XWSXW 2SWLRQ’&2XWSXW 2SWLRQ’&2XWSXW 2SWLRQ’&2XWSXW 2SWLRQ6HULDORXWSXW&RPSUHVVRU
21. Model number
22. Light All Segments $FWLYDWH’HIURVW+DUYHVWSUHVVDQGKROGIRUVHFRQGV
WRDFWLYDWHGHIURVWKDUYHVW
24. Defaults- press and hold for 3 seconds to restore all
values to factory defaults. 0DLQ6RIWZDUH’LVSODRQO /LYH/RJ3HULRGIUHTXHQFWKDWGDWDLVRXWSXWWR
GLDJQRVWLFVSRUW )DFWRUWHVWPRGH 2 2Q &RPSUHVVRU530 )UHH]HWLPHDGMXVW0RGHORQO +DUYHVWWLPHDGMXVW0RGHORQO /RZWHPSDODUPOLPLW0RGHORQO +LJKWHPSDODUPOLPLW0RGHORQO
Control Operation-Service

SERVICE MODE GUIDE
THERMISTOR 1 — ZONE 7KLVVKRZVWKHSXUHWKHUPLVWRUUHDGLQJZLWKQRRIIVHWV WDNHQLQWRDFFRXQW
THERMISTOR 2 — EVAPORATOR 7KLVVKRZVWKHSXUHWKHUPLVWRUUHDGLQJZLWKQRRIIVHWV WDNHQLQWRDFFRXQW
Does not apply to this model. Does not apply to this model. THERMISTOR 1 — ZONE OFFSET
‘21270$.($1$’-8670(17727+,6:,7+287 &217$&7,17(&+/,1( This calibration is only to be used if actualWHPSHUDWXUH DWWKHUPLVWRULVRIIIURPVHWSRLQW%DGMXVWLQJWKH RIIVHWKLJKHUZHFDQIRUFHWKHXQLWto drive the
temperature down below the set point. H[DPSOHDGMXVWLQJIURPWRZLOOGURSWKHXQLW WHPSHUDWXUHGHJUHHV THERMISTOR 2 — EVAPORATOR OFFSET ‘21270$.($1$’-8670(17727+,6:,7+287 &217$&7,17(&+/,1( Does not apply to this model. Does not apply to this model. THERMISTOR 2 — SET POINT MINUS OFFSET 7KLVVKRZVWKHWKHUPLVWRUUHDGLQJZLWKRIIVHWVWDNHQ
into account. ‘RHVQRWDSSOWRWKLVPRGHO Does not apply to this model. ADJUST DEFROST INTERVAL — 3 TO 24
HOURS 7KLVZLOODGMXVWWKHLQWHUYDOEHWZHHQGHIURVWVIURP WRKRXUV$GMXVWLQJIURPWKHIDFWRUVHWWLQJVmay cause undesired temperature in the refrigerator
section. ADJUST DEFROST DURATION — 0 TO 99
MINUTES 7KHOHQJWKRIWKHGHIURVWFDQEHDGMXVWHGWR minutes long. The other defrost parameters still apply. Lengthening a defrost may cause higher than normal
temperatures in the refrigerator section. VIEW ERROR LOG
A list of errors in the order they occurred will scrollon the display. All errors are logged in memory. Only door error is displayed on the display and has an
audible signal. E0:’RRUXSSHURSHQ
E1: Thermistor 1 open.
E2: Thermistor 2 open.
41

E3: Thermistor 3 open. E4:7KHUPLVWRURSHQ’RHVQRWDSSOWRWKLVPRGHO E5: Thermistor 1 shorted.
E6: Thermistor 2 shorted.
E7: Thermistor 3 shorted. E8: 7KHUPLVWRUVKRUWHG’RHVQRWDSSOWRWKLV PRGHO E9:’RRUORZHURSHQ P1:3XPS&LUFXLWRSHQ’RHVQRWDSSOWRWKLVPRGHO 15: CLEAR ERROR LOG To clear errors, press and holdVHFRQGVZKHQ &/5LVDVKLQJ 16: THERMISTOR – 1 DIFFERENTIAL 7KLVQXPEHUVKRXOGQRWEHDGMXVWHG 17. Does not apply to this model.
18. THIS NUMBER SHOULD NOT BE ADJUSTED
19. THIS NUMBER SHOULD NOT BE ADJUSTED INDIVIDUAL COMPONENT TOGGLE

Display #

Relay / Output

2SWLRQ([LW 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ5HOD 2SWLRQ’&2XWSXW 2SWLRQ’&2XWSXW 2SWLRQ’&2XWSXW 2SWLRQ’&2XWSXW 2SWLRQ’&2XWSXW 2SWLRQ6HULDORXWSXW&RPSUHVVRU

SEE RELAY / OUTPUT CHART

21. MODEL NUMBER INDICATOR ‘LVSODVWKHWZRGLJLWPRGHOQXPEHURIWKHVSHFLF unit. See Model list table.
22. LIGHT ALL LED SEGMENTS This will illuminate all the LEDs on the display to HQVXUHWKHZRUNSURSHUO
23. ACTIVATE DEFROST /HARVEST -Press and hold for 3 seconds to activate
24. FACTORY DEFAULTS -Press and hold for 3 seconds to restore all values to factory defaults

25. MAIN SOFTWARE 26. Does not apply to this model 27. FACTORY TEST MODEL
2 2Q 28. COMPRESSOR RPM 29. FREEZE TIME ADJUST (MODEL 54 ONLY) HARVEST TIME ADJUST (MODEL 54 ONLY) 31. LOW TEMP ALARM LIMIT (MODEL 55 ONLY) 32. HIGH TEMP ALARM LIMIT (MODEL 55 ONLY)

Control Operation-Service

42

Thermistors
Thermistors are used for various temperature readings. Thermistors provid e reliable temperature readings using a resistance which varies based on surrounding temperatures. If a faulty thermistor is suspected it may be tested using an accurate ohmmeter.
Both thermistors in the unit are id entical. If a thermistor is suspected of being d efective, the resistance can be verified . Place the thermistor in an ice water bath, the resistance should read 16.lk Ohms +/-5% on your meter.
Thermistor connections must be kept clean. A thermistor connection that has become corrod ed can cause resistance values from the thermistor to change as they pass through a d irty connection to the board.
It is for that reason that we apply dielectric grease to all of our thermistor connections. Dielectric grease will help to keep thermistor connections clean and dry.
If you change a thermistor in the unit please re-apply d ielectric grease to the connection. If you encounter a d irty thermistor connection, you should replace the thermistor and the thermistor harness.
Thermistor error information can be found in the Control Operations – Service section.
This unit has two thermistors.
Thermistor one (Zone): Located along the right hand sid e wall. It is used to maintain the operating temperature within that zone.
Thermistor two (Evaporator): Located on the evaporator. It is used for defrost.
THERMISTOR FAILURE
Zone Thermistor If the zone thermistor in the unit fails, the unit will continue to cool in a backup mode (Self Preservation Mod e) to preserve the integrity of the contents. The unit will otherwise operate normally.

Evaporator Thermistor

If the evaporator thermistor fails, the unit will rely on a preset defrost timer during defrost cycles. The unit will otherwise operate normally. Refer to defrost section.

Thermistor Resistance Data

Temp (F)
-40 -31 -22 -13 -4 5
14
23 32 41 50 59 68
77
86 95 104 113 122 131 140 149 158 167 176
*(+/-5%)

Temp (C)
-40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80

Nominal Resistance (OHMS)*
169157 121795 88766 65333 48614 36503 27681 21166 16330 12696 9951 7855 6246 5000 4029 3266 2665 2186 1803 1495 1247 1044
879 743 631

Thermistor

43

HOUSEHOLD PRODUCT WARRANTY

Marvel Refrigeration (Marvel) Limited Warranty
ONE YEAR LIMITED PARTS & LABOR WARRANTY For one year from the date of original purchase, this warranty covers all parts and labor to repair or replace any part of the product that proves to be defective in materials or workmanship. For products installed and used for normal residential use, material cosmetic defects are included in this warranty, with coverage limited to 60 days from the date of original purchase. All service provided by Marvel under the above warranty must be
performed by a Marvel factory authorized servicer, unless otherwise specified by Marvel. Service provided during normal business hours.
TWO YEAR LIMITED PARTS & LABOR WARRANTY (MARVEL PROFESSIONAL PRODUCTS) For two years from the date of original purchase, this warranty covers all parts and labor to repair or replace any part of the product that proves to be defective in materials or workmanship. For products installed and used for normal residential use, material cosmetic defects are included in this
warranty, with coverage limited to 60 days from the date of original purchase. All service provided by Marvel under the above warranty must be performed by a Marvel factory authorized servicer, unless otherwise specified by Marvel. Service provided during normal business hours.
AVAILABLE THIRD YEAR LIMITED WARRANTY (MARVEL PROFESSIONAL PRODUCTS) For designated Marvel Professional product, Marvel offers a one year extension of the two year warranty coverage from the date of purchase, free of charge. To take advantage of this third year warranty, you must register your product with Marvel within 60 days from the date of purchase at marvelrefrigeration.com and provide proof of purchase. Nugget Ice Machine proof of purchase must include the purchase of an in-line water filter
and filter head to qualify for this additional limited warranty.
LIMITED FIVE YEAR SEALED SYSTEM WARRANTY For five years from the date of original purchase, Marvel will repair or replace the following parts, labor not included, that prove to be defective in
materials or workmanship: compressor, condenser, evaporator, drier, and all connecting tubing. All service provided by Marvel under the above warranty must be performed by a Marvel factory authorized servicer, unless otherwise specified by Marvel. Service provided during normal business hours.

WARRANTY TERMS
These warranties apply only to products installed in any one of the fifty states of the United States, the District of Columbia, or the ten provinces of Canada. The warranties do not cover any parts or labor to correct any defect caused by negligence, accident or improper use, maintenance, instal-
lation, service, repair, acts of God, fire, flood or other natural disasters. The product must be installed, operated, and maintained in accordance with the Marvel User Guide.

The remedies described above for each warranty are the only ones that Marvel will provide, either under these warranties or under any warranty arising by operation of law. Marvel will not be responsible for any consequential or incidental damages arising from the breach of these warranties or any other warranty, whether express, implied, or statutory. Some states do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitation or exclusion may not apply to you. These warranties give you specific legal rights, and you may also have other rights which vary from state to state.

Any warranty that may be implied in connection with your purchase or use of the product, including any warranty of merchantability or any war-

ranty fit for a particular purpose is limited to the duration of these warranties, and only extends to five years in duration for the parts described

in the section related to the five year limited warranty above. Some states do not allow limitations on how long an implied warranty lasts, so the

above limitations may not apply to you.

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The warranties only apply to the original purchaser and are non-transferable.

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The second, third, and five year warranties cover products installed and used for normal residential use only.

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The warranties apply to units operated outside only if designed for outdoor use by model and serial number.

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Replacement water filters, light bulbs, and other consumable parts are not covered by these warranties.

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The start of Marvel’s obligation is limited to four years after the shipment date from Marvel.

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In-home instruction on how to use your product is not covered by these warranties.

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Food, beverage, and medicine loss are not covered by these warranties.

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If the product is located in an area where Marvel factory authorized service is not available, you may be responsible for a trip charge or

you may be required to bring the product to a Marvel factory authorized service location at your own cost and expense.

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Units purchased after use as floor displays, and/or certified reconditioned units, are covered by the limited one year warranty only and

no coverage is provided for cosmetic defects.

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Signal issues related to Wi-Fi connectivity are not covered by these warranties.

For parts and service assistance, or to find Marvel factory authorized service near you, contact Marvel Refrigeration: MarvelRefrigeration.com · techsupport@MarvelRefrigeration.com · +616.754.5601
1260 E. Van Deinse St., Greenville, MI 48838

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Marvel Refrigeration
1260 E. Van Deinse St. Greenville MI 48838
616.754.5601

www.marvelrefrigeration.com
All specifications and product designs subject to change without notice. Such revisions do not entitle the buyer to corresponding changes, improvements, additions, replacements or compensation for previously purchased products.
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References

• drain.no is parked
• two.no in parked
• Marvel Warranty Registration | Marvel Refrigeration
• partsformarvel.com

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