ACP AXP20 High Speed Combination Oven User Manual

June 13, 2024
ACP

ACP AXP20 High Speed Combination Oven

Product Information

  • Product: High Speed Combination Oven

  • Model: AXP20

  • Manufacturer Part Numbers: P1333601M, P1333602M, P1333606M,
    P1333612M, P1333610M, P1333614M, P1333615M

  • Frequency: 60 Hz

  • Revision: 16400002 Rev.3

  • Year: January 2011

  • Manufacturer Website: https://manual-hub.com/

Table of Contents

  1. Important Information
  2. Important Safety Information

Product Usage Instructions

Important Safety Information

WARNING: Read the following information to avoid possible exposure to microwave radiation:

  • Always operate the unit from an adequately grounded outlet. Do not operate on a two-wire extension cord.
  • Before servicing the unit (if unit is operable) perform the microwave leakage test.
  • The oven should never be operated if the door does not fit properly against the seal, the hinges or hinge bearings are damaged or broken; the choke is damaged, (pieces missing, etc.); or any other visible damage can be noted. Check the choke area to ensure that this area is clean and free of all foreign matter.
  • If the oven operates with the door open and produces microwave energy, take the following steps:
    1. Tell the user not to operate the oven.
    2. Contact ACP ComServ immediately.
  • Always have the oven disconnected when the outer case is removed except when making the live tests called for in the Service Manual. Do not reach into the equipment area while the unit is energized. Make all connections for the test and check them for tightness before plugging the cord into the outlet.
  • Always ground the capacitors on the magnetron filter box with an insulated-handle screwdriver before working in the high voltage area of the equipment compartment. Some types of failures will leave a charge in these capacitors and the discharge could cause a reflex action which could make you injure yourself.
  • Do not for any reason defeat the interlock switches there is not valid reason for this action at any time; nor will it be condoned by ACP.
  • Before returning a unit to a customer, be sure to check for proper switch interlock action.

Service Manual
High Speed Combination Oven

AXP20
P1333601M
P1333602M
AXP20JB
P1333606M
AXP20MK
P1333612M

AXP20QT
P1333610M
MXP20
P1333614M P1333615M

60 Hz January 2011

16400002 Rev.3

https://manual-hub.com/

Important Information
Important Notices for Servicers and Consumers
ACP will not be responsible for personal injury or property damage from improper service procedures. Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service. Products should be serviced only by a qualified service technician who is familiar with the safety procedures required in the repair and who is equipped with the proper tools, parts, testing instruments and the appropriate service information. IT IS THE TECHNICIANS RESPONSIBLITY TO REVIEW ALL APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS.
! WARNING
To avoid risk of severe personal injury or death, disconnect power before working/servicing on appliance to avoid electrical shock.
To locate an authorized servicer please contact:

ComServ Support Center

Web Site WWW.ACPSOLUTIONS.COM

Telephone Number ………………….. 1-866-426-2621 or 319-368-8195

E-Mail: commercialservice@acpsolutions.com

Recognize Safety Symbols, Words, and Labels
! DANGER
DANGER– Immediate hazards which WILL result in severe personal injury or death.
! WARNING
WARNING– Hazards or unsafe practices which COULD result in severe personal injury or death.
! CAUTION
CAUTION– Hazards or unsafe practices which COULD result in minor personal injury, product or property damage.

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Important Safety Information

! WARNING

Read the following information to avoid possible exposure to microwave radiation:

The basic design of the Microwave Oven makes it an inherently safe device to both use and service. However, there are some precautions which should be followed when servicing the microwave to maintain this safety. These are as follows:

1. Always operate the unit from an adequately grounded outlet. Do not operate on a two-wire extension cord.

8. Do not for any reason defeat the interlock switches there is not valid reason for this action at any time; nor will it be condoned by ACP.

2. Before servicing the unit (if unit is operable) perform the microwave leakage test.
3. The oven should never be operated if the door does not fit properly against the seal, the hinges or hinge bearings are damaged or broken; the choke is damaged, (pieces missing, etc.); or any other visible damage can be noted. Check the choke area to ensure that this area is clean and free of all foreign matter.
4. If the oven operates with the door open and produces microwave energy, take the following steps: A. Tell the user not to operate the oven. B. Contact ACP ComServ immediately.
5. Always have the oven disconnected when the outer case is removed except when making the “live” tests called for in the Service Manual. Do not reach into the equipment area while the unit is energized. Make all connections for the test and check them for tightness before plugging the cord into the outlet.
6. Always ground the capacitors on the magnetron filter box with an insulated-handle screwdriver before working in the high voltage area of the equipment compartment. Some types of failures will leave a charge in these capacitors and the discharge could cause a reflex action which could make you injure yourself.

9. IMPORTANT: Before returning a unit to a customer, be sure to check for proper switch interlock action.
10. The Microwave Oven should never be operated with any components removed and/or bypassed or when any of the safety interlocks are found to be defective, or when any of the seal surfaces are defective, missing, or damaged.
11. All microwave ovens meet all requirements of the radiation control for Health and Safety Act of 1968. Due to measurement uncertainties, the maximum leakage for the field will be 4mw/cm2.
12. To ensure that the unit does not emit excessive microwave leakage and to meet the Department of Health and Human Services guidelines, check the oven for microwave leakage using a microwave oven leakage meter that complies with US Government CDRH / FDA / DHHS requirements and or any other local government requirements. The maximum leakage level allowed by ACP is 4mw/cm 2.
13. If servicer encounters an emission reading over 4mw/cm2, the servicer is to cease repair and contact the ACP ComServ Department immediately for further direction. ACP will contact the proper Government Agency upon verification of the test results.

7. Always remember that in the area of the transformer there is HIGH VOLTAGE. When the unit is operating keep this area clear and free of anything which could possibly cause an arc or ground, etc.

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Important Safety Information
Recognize this symbol as a SAFETY message

! WARNING
When using electrical equipment, basic safety precautions should be followed to reduce the risk of burns, electrical shock, fire, or injury to persons.

1. READ all instructions before using equipment.
2. READ AND FOLLOW the specific “PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY”.
3. This equipment MUST BE GROUNDED. Connect only to properly GROUNDED outlet. See “GROUNDING INSTRUCTIONS”.
4. Install or locate this equipment ONLY in accordance with the installation instructions in this manual.
5. Some products such as whole eggs and sealed containers, for example, closed glass jars may explode and SHOULD NOT be HEATED in this oven.
6. Use this equipment ONLY for its intended use as described in this manual. Do not use corrosive chemicals or vapors in this equipment. This type of oven is specifically designed to heat or cook. It is not designed for industrial or laboratory use.
7. As with any equipment, CLOSE SUPERVISION is necessary when used by CHILDREN .

8. DO NOT operate this equipment if it has a damaged cord or plug, if it is not working properly, or if it has been damaged or dropped.
9. This equipment, including power cord, must be serviced ONLY by qualified service personnel. Special tools are required to service equipment. Contact nearest authorized service facility for examination, repair, or adjustment.
10. DO NOT cover or block filter or other openings on equipment.
11. DO NOT store this equipment outdoors. DO NOT use this product near water, for example, near a kitchen sink, in a wet basement, or near a swimming pool etc.
12. DO NOT immerse cord or plug in water.
13. Keep cord AWAY from HEATED surfaces.
14. DO NOT let cord hang over edge of table or counter.
15. See door cleaning instructions in “Care and Cleaning” section.
16. For commercial use only.

To reduce risk of fire in the oven cavity:

! CAUTION

a. DO NOT overcook food. Carefully attend equipment if paper, plastic, or other combustible materials are placed inside the oven to facilitate cooking.
b. Remove wire twist-ties from paper or plastic bags before placing bag in oven.

c. KEEP oven DOOR CLOSED , turn oven off, and disconnect the power cord, or shut off power at the fuse or circuit breaker panel, if materials inside the oven should ignite. Fire may spread if door is opened.
d. DO NOT use the cavity for storage. DO NOT leave paper products, cooking utensils, or food in oven.

SAVE THESE INSTRUCTIONS
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Important Safety Information

! CAUTION

To avoid risk of personal injury or property damage, observe the following:

1. Briskly stir or pour liquids before heating with microwave energy to prevent spontaneous boiling or eruption. Do not overheat. If air is not mixed into a liquid, liquid can erupt in oven or after removal from oven.
2. Do not deep fat fry in oven. Fat could overheat and be hazardous to handle.

7. Do not heat baby bottles in oven.
8. Never use paper, plastic, or other combustible materials that are not intended for cooking.
9. When cooking with paper, plastic, or other combustible materials, follow manufacturer’s recommendations on product use.

3. Do not cook or reheat eggs in shell or with an unbroken yolk using microwave energy. Pressure may build up and erupt. Pierce yolk with fork or knife before cooking.

10. Do not heat sealed containers or plastic bags in oven. Food or liquid could expand quickly and cause container or bag to break. Pierce or open container or bag before heating.

4. Pierce skin of potatoes, tomatoes, and similar foods before cooking with microwave energy. When skin is pierced, steam escapes evenly.

11. To avoid pacemaker malfunction, consult physician or pacemaker manufacturer about effects of microwave energy on pacemaker.

5. Do not operate equipment without load or food in oven cavity.

6. Do not use regular cooking thermometers in oven. Most cooking thermometers contain mercury and may cause an electrical arc, malfunction, or damage to oven.

PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY

a. DO NOT attempt to operate this oven with the door open since open-door operation can result in harmful exposure to microwave energy. It is important not to defeat or tamper with the safety interlocks.

c. DO NOT operate the oven if it is damaged. It is particularly important that the oven door close properly and that there is no damage to the: (1) door (bent), (2) hinges and latches (broken or loosened), (3) door seals and sealing surfaces.

b. DO NOT place any object between the oven front face and the door or allow soil or cleaner residue to accumulate on sealing surfaces.

d. The oven should NOT be adjusted or repaired by anyone except properly qualified service personnel.

SAVE THESE INSTRUCTIONS

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Important Safety Information
Grounding Instructions
! WARNING
To avoid risk of electrical shock, injury or death; make sure these grounding instructions are followed.
! WARNING
Do not remove grounding prong when installing grounded appliance in a home or business that does not have three wire grounding receptacle, under no condition is grounding prong to be cut off or removed. It is the personal responsibility of the consumer to contact a qualified electrician and have properly grounded three prong wall receptacle installed in accordance with appropriate electrical codes.
! WARNING
To avoid the risk of electrical shock or death, do not alter the plug.
! WARNING
To avoid the risk of electrical shock or death, this equipment must be grounded.
This equipment MUST be grounded. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric current. This oven is equipped with a cord having a grounding wire with a grounding plug. The plug must be plugged into an outlet that is properly installed and grounded. Consult a qualified electrician or servicer if grounding instructions are not completely understood, or if doubt exists as to whether the equipment is properly grounded. Do not use an extension cord. If the product power cord is too short, have a qualified electrician install an appropriate receptacle. This oven should be plugged into a separate 50 or 60 hertz circuit with the electrical rating as shown in the appropriate drawing. Models operate with a 208 or 230 supply voltage. When an oven is on a circuit with other equipment, an increase in cooking times may be required and fuses can be blown.
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SPECIFICATIONS

Models

AXP20 AXP20JB

AXP20QT

AXP20MK

Power Source

Voltage AC

Amperage (Single Unit)

Frequency

Single Phase, 3 wire grounded

Receptacle

Plug

Power Output ­ Microwave

Nominal microwave energy (IEC705)

Minimum Temperature Rise (T)

Operating Frequency

Power Consumption

Microwave only

Convection fan

Radiant heater

Convection heater

Combination

Dimensions

Cabinet (in / cm)

Width

Height

Depth (includes bracket on back)

Oven Interior (in / cm) ­ useable space

Width

Height

Depth

Weight (lbs. / kg)

Uncrated

Crated

P1333601M / P1333602M P1333606M P1333610M P1333612M
208/230 VAC 30 A 60 Hz X 6-30R 6-30P
2200 Watts 22°F / 12°C 2450 MHz 5700 Watts 4200 Watts 425 Watts / 6200 RPM 3000 Watts 2000 Watts 5300Watts

25″ 20 .25″ 25.625″

63.5 cm 51 cm 65 cm

16.0″ 7.75″ 15.0″

41 cm 20 cm 38 cm

150 lbs. 68 kg 175 lbs. 79 kg

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OVEN CONSTRUCTION-
PANELS (TOP & SIDE)

Door

AXP
Air Filters

Right Outer Panel

Torx (T-15)

Adaptor Board (AXP20QT Only)

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Top Outer Panel
Left Outer Panel Outercase Back Torx (T-15)

OVEN CONSTRUCTION-
OVEN CONSTRUCTION CONTROL PANEL ASSEMBLY
Control Holder

Display Board
Touch Screen Display Knob Collar Knob
Touch Panel Assembly
Bezel

Filter Board

Data Key Board Data Key Board Holder

Data Key Plug
Caution: Do not handle touch screen display
by the sides. This may damage the display circuitry. Handle using the corners.

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OVEN CONSTRUCTION-
Circuit Boards Power Relay Limiter Triac Thermocouple Temp Sensor (RTD) Cooling Fans Convection Motor

Main Board
Relay Monitor Board Power Relay Snubber Power Supply Board
(24 VDC)
Limiter
Triac (TR4) -Radiant
Heater

Convection Motor
Temp Sensor
(RTD Radiant)
Thermocouple Cooling Fans

*Note: If Main Fuse (F1) is blown replace Relay Monitor Board and Power Relay.

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OVEN CONSTRUCTION-
HV Transformers Magnetrons Fuses Sensor Triac’s Magnetron TCO’s Capacitor / Diodes
High Voltage Transformers

Temp Sensor (RTD Convection)

Small Fuses F2,F3,F4 (12 amp)
F2 – Convection Motor F3 – Magnetron # 1 F4 – Magnetron # 2

Capacitor Diode (Right Side)
Magnetron # 1
Magnetron TCO’s Magnetron # 2

Switch (Primary)
Triac (TR1) (Magnetron # 1) Triac (TR2) (Magnetron # 2) Triac (TR3) (Convection Heater)

Large Fuses F1,F5,F6 (25 amp)

Capacitor Diode (Left Side)

*F1 – Main Fuse F5 – Convection Heater F6 – Radiant Heater

Control

Fuse (2.5A)

Transformer (AXP20QT Only)

(AXP20QT Only)

*Note: If Main Fuse (F1) is blown replace Relay Monitor Board and Power Relay.

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OVEN CONSTRUCTION-
Oven Switch Replacement & Interlock Switch Adjustment

Attach Ohm-Meter to Wire Harness Connectors

Switch Adjustment Lever

Adjustment

Figure 1

Switch Test:

Mounting Screw

When the door is opened or closed, the left door hinge activates the secondary / monitor switches.

1. Connect an ohm-meter to wire harness (as shown in figure 1, to verify switch activation).

Note: The switch assembly should activate when the door gap is approximately 1/4 inch (6mm).

Switch Adjustment:

1. Loosen mounting screws. 2. Slide adjustment lever for proper switch activation. 3. Tighten mounting screws. 4. Preheat oven to set temperature and verify switch adjustment settings and function.

Note: To ensure proper switch adjustment, the switch mounting MUST be tightened after each adjustment prior to testing the door alignment.

Replacement
Removal:
1. Remove switch assembly mounting screw.
2. Push switch assembly 1/2 inch (13mm) towards back of oven.
3. Twist mounting leg towards oven cavity to release mounting tab.
4. Push assembly towards back of oven to remove.
Note: New replacement switch assembly has been adjusted at the factory, no adjustment should be necessary.
Mounting Leg

Mounting Screw

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OVEN CONSTRUCTION-
Antenna Motor Cam Gear Assembly Antenna Rivet, Plastic Radiant Heater

Multi-Wave Spring Washer Flat Washer Lock Nut

Note: Requires 15/16″ (26mm) Deep Socket
See Detail Below

Cam

Note: Plastic Rivet cannot be reused.
Antenna Motor
Rivet,
Plastic

Gear Assembly
Alignment Arrows Antenna

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OVEN PERFORMANCE TEST

Note: To run Oven Performance Test the, OVEN CAVITY MUST BE AT ROOM TEMPERATURE, and the display must read MICROWAVE ONLY mode. See below using oven as a microwave oven. If MICROWAVE ONLY is not in display you must go to User Options and activate MICROWAVE ONLY option.

Changing User Options:

1. Oven must be OFF.

KEYPAD

2. Press and hold Pad “2” for 5 seconds.

3. Rotate dial to highlight: ALLOW MICROWAVE ONLY mode. 4. Press SAVE.

USING OVEN AS A MICROWAVE OVEN This option is only available if the oven cavity temperature is less than 200°F.
When user option MICROWAVE ONLY is set as a default, the MICROWAVE ONLY button appears on the PREHEAT MENU.
See page 14 for Oven Performance Test procedure. To run Performance Test using microwave only follow these steps:
1. Place filled (1000 ml) test bowl in oven.
2. Press MICROWAVE ONLY button.

PREHEAT MENU

3. Press manual cook. 4. Press Pad 3 twice for 33 seconds. 5. Press Start. 6. Oven will beep, remove test bowl from oven. 7. Press OFF to return to PREHEAT MENU.

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OVEN PERFORMANCE TEST

All Amana and Menumaster microwave oven power outputs are rated using the IEC705 standards. Using the IEC705 test method requires precision measurements and equipment that is not practical to be performed in the field. Using the test shown below will indicate if the oven performance is satisfactory.
Test equipment required: · 1000 ml test container and thermometer. · Digital watch / watch with a second hand for use on ovens with electromechanical timers.
Important Notes: · Low line voltage will cause low temperature rise / power output. · Ovens must be on a dedicated circuit, properly grounded, and polarized. Other equipment on the same circuit may cause a low temperature rise / power output. · This test and results are not a true IEC705 test procedures and are only intended to provide servicers with an easy means of determining if the microwave oven cooking output is correct.
Procedure
1. Fill the test container to the 1000 ml line with cool tap water.
NOTE: Water temperature should be approximately 60°F / 16°C
2. Using the thermometer, stir water for five to ten seconds; measure, and record the temperature (T1). 3. Place test container of water in the center of oven cavity and close door. 4. Heat the water for a 33-second full power cycle.
NOTE: Use a digital watch or a watch with a second hand for ovens with electromechanical timers.
5. At end of the cycle, remove test container. Using the thermometer, stir water for five to ten seconds and record temperature (T2).
6. Subtract the starting water temperature (T1), from the ending water temperature (T2) to obtain the temperature rise (T).
7. If the temperature rise (T) meets or exceeds the minimum, the test is complete. If the temperature rise (T) fails to meet the minimum temperature rise, test the line voltage to verify it is correct. Then repeat steps 1-6 making sure to change the water. If the temperature rise (T) fails to meet the minimum temperature rise again the oven will require service.

Minimum Temperature Rise at Thirty -Three (33) Seconds Run Time

T

Cooking

(°F) Power Output

T

Cooking

(°F) Power Output

T

Cooking

(°C) Power Output

T

Cooking

(°C) Power Output

10………………1000 11………………1100 12………………1200 14………………1400 17………………1700 18………………1800 19………………1900

20 ……………..2000 21 ……………..2100 22 ……………..2200 24 ……………..2400 25 ……………..2500 27 ……………..2700 30 ……………..3000

5 ……………1000 5.5 ………….1100 6.5 ………….1200 7.5 ………….1400 9.5 ………….1700 10 …………..1800 10.5 ………..1900

11 …………2000 11.5 ………2100 12 …………2200 13 …………2400 13.5 ………2500 15 …………2700 16.5 ………3000

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PLUG OVEN IN
(NORMAL DISPLAY) PREHEAT TEMP = 520 F
PRESS TO PREHEAT

Troubleshooting
POWER UP CONDITION
See component test procedures section for testing procedures and results.
1. No Line Voltage 2. Inoperative Power Cord 3. Inoperative Fuse 4. Inoperative Filter Board 5. Inoperative Touch Screen 6. Inoperative Main Control Board 7. Inoperative Display Board 8. Inoperative -24 Volt Power Supply Board 9. Broken or Loose Wire Connection
No

PROGRAM

CHANGE TEMP

Yes

Error Code Appears
No

1. Refer To Display Diagnostics Page 19
2. Clear Error History After Oven is Repaired

(NORMAL DISPLAY) PREHEAT TEMP = 520 F
PRESS TO PREHEAT

PROGRAM

CHANGE TEMP

Go to PREHEAT Condition
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Troubleshooting
PREHEAT CONDITION

Touch PRESS TO PREHEAT
On Touch Screen or
Push Knob In

Yes
(NORMAL DISPLAY)
OVEN PREHEATING
PREHEAT TEMP = 520 F

PROGRAM

CHANGE TEMP

OVEN REACHES TEMPERATURE

Yes

No
Indicates Rising Temperature
No
Indicates Temperature Reached

See component test procedures section for testing procedures and results.
Inoperative Display Board Inoperative Touch Screen
See component test procedures section for testing procedures and results.
1. Inoperative Thermocouple 2. Inoperative Radiant Heater 3. Inoperative Convection Heater 4. Inoperative Temp Sensor (RTD Radiant) 5. Inoperative Main Board 6. Broken or Loose Wire

(NORMAL DISPLAY)

MENU

1

2

3

4

5

6

BACK

MANUAL COOK

(NORMAL DISPLAY)
READY
PREHEAT TEMP = 520 F

MENU PROGRAM

CHANGE TEMP
MANUAL COOK

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Troubleshooting
MICROWAVE CONDITION

SERVICE TEST
1. Press Off Pad Repeatedly Until Press to Preheat Appears 2. Press Hidden Pad 3. Press Pads 1-3-5-7-9

Yes
(NORMAL DISPLAY) SERVICE MODE
OVEN INFORMATION
DISPLAY VERSION: 0.39 MAIN VER: 0.46 EE 0.3 DOOR CYCLES 20,156 TUBE HRS: 2156 EE 255

NEXT TEST
EXIT

PREV TEST
CLEAR INFO

PRESS NEXT TEST

(NORMAL DISPLAY) SERVICE MODE
MAGNETRONS #1 & #2 MAGNETRON #1: 0 AMPS MAGNETRON #2: 0 AMPS
ACCEPTABLE RANGE:

NEXT TEST
CANCEL

PREV TEST
TURN ON

Yes

Hidden Pad

No

See component test procedures section

for testing procedures and results.

Inoperative Touch Panel Inoperative Touch Screen

No

See component test procedures section

for testing procedures and results.

Inoperative Touch Screen

No

See component test procedures section

for testing procedures and results.

Inoperative Main Board

PRESS TURN ON

COOLING FANS TURNS ON

Yes

No
MAGNETRON #1: 5-12 AMPS MAGNETRON #2: 5-12 AMPS

Yes

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See component test procedures section for testing procedures and results.
1. Inoperative Power Relay 2. Inoperative Primary Switch 3. Inoperative Secondary Switch 4. Fuse (F3) 5. Fuse (F4) 6. Inoperative Triac 7. Inoperative Main Board 8. Inoperative Capacitor 9. Inoperative Diode 10. Inoperative H.V. Transformer

Troubleshooting
OPERATIONAL CODES
During oven operation the display may indicate one of the following:

CALL SERVICE CODE G0

1. When you press the pad/ knob to preheat the oven the display indicates. 2. During cooking, the oven display indicates.
1. Unplug / plug oven in 2. If code continues to appear.
Replace Electronic Limiter

DOOR OPEN

1. After food is placed in the oven the door is closed the display indicates.
See component test procedures section for testing procedures and results.
1. Inoperative Monitor Switch 2. Interlock Switch Assembly out of adjustment 3. Broken or loose wire connection

CLOSE DOOR PLACE FOOD
IN OVEN

1. After food is placed in the oven the door is closed the display indicates.
See component test procedures section for testing procedures and results.
1. Interlock Switch Assembly out of adjustment 2. Inoperable Monitor Switch 3. Broken or loose wire connection

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OVEN NOT AT PREHEAT
TEMPERATURE
CLEAN FILTER
CHECK DOOR RESTART PROGRAM
CHASSIS MEMORY ERROR

Troubleshooting
OPERATIONAL CODES
1. At the end of a cook cycle and the food is removed and the door is closed the display indicates. 2. When a pad is pressed the display indicates.
Change Option Code #10 to OFF
1. Normal do not service the oven for this.
Option #12 This is activated at the factory. It will appear every 7 days.
Note: Customer can change this option as desired. See Quick Start Reference Guide section.
See component test procedures section for testing procedures and results.
1. Door not fully closed. 2. Inoperative Power Relay. 3. Inoperative Primary Interlock Switch. 4. Inoperative Secondary Interlock Switch. 5. Secondary Interlock Switch out of Adjustment. 6. Broken or Loose Wire Connection. 7. Inoperative HV System (Magnetron).
1. Unplug the oven and remove right side panel. 2. Disconnect the data key board connector
from the display board (Figure 1). 3. Plug the oven in (See Caution below). 4. Carefully reinstall data keyboard connector
onto the display board. 5. Press and hold Pad 2 ( The display will
indicate user options). 6. Press Save pad. Note: If chassis memory error returns replace
data keyboard.
CAUT IO N
Oven is energized, use care when plugging connector into data key board.

Data Key Connector

Figure 1

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Display Diagnostics

Error Codes

Display Description

B0

Touch Panel

B1

Touch Panel

Corrective Action Replace Touch Panel Replace Touch Panel

C-0

Temp Sensor (RTD) (open)

Replace Temp Sensor

C-1

Temp Sensor (RTD) (shorted)

Replace Temp Sensor

C-2

Temp Sensor (RTD) (out of range) Replace Temp Sensor

D-0

Thermocouple (RTD) (open)

Replace Thermocouple

D-1

Thermocouple (RTD) (shorted)

Replace Thermocouple

D-2

Thermocouple (RTD) (out of range) Replace Thermocouple

G-0

Oven Exceeded Max. Temp.

Unplug / Plug oven in*

G-2

Magnetron TCO

Perform service test (Magnetron #1 & #2)

G-2

Cooling Motor

Perform service test (Cooling Fan)

H-0

Signal Missing

Plug disconnected from J1 on main board

H-1

Main Board Set Point Incorrect.

Unplug / Plug oven in

H-2

Main Board

Replace main board

H-3

Main Board

Replace main board

M-0

Current Sense Low Amps

Perform service test (Magnetron #1 & #2)

M-1

Magnetron 1 Low Amps

Perform service test (Magnetron #1)

M-2

Magnetron 2 Low Amps

Perform service test (Magnetron #2)

Note: While in the service test the error history can be cleared by pressing and holding Pad 1 see page 28.
*If G-0 continues to appear. Replace Electronic Limiter.

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Access to Service Mode Screen

Service Test
While at the Main Screen, press the following sequence on the keypad:

NOTE: The “MICROWAVE ONLY” button may or may not be present.
1. Press OFF pad until PRESS TO PREHEAT appears.
2. Press Hidden Pad. 3. Press pads 1 – 3 – 5 – 7 – 9 The display indicates SERVICE MODE.

Hidden Pad

Oven Information Screen
1.0 .64

1
This screen is Oven Information showing the versions of software in the control boards and information about door cycles and tube hours.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
CLEAR INFO: Press this pad to reset the Door Cycles and Tube Hours back to zero.
EXIT: Press this pad to return to the ovens Main Menu

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Service Test

Manual Operation of Magnetrons #1 & #2

2

Screen

This screen will allow operation of

Magnetron #1 and #2 together and show the

number of amps being drawn.

NEXT TEST: Press this pad to go to the next Service Mode Test

PREV TEST: Press this pad to go to the previous Service Mode Test

TURN ON: This pad will toggle between turning the magnetrons on and off.

CANCEL: Press this pad to return to the Main Menu

RANGE: Under normal operation, each mag’s amp draw should be 5 ­ 12 amps.

Manual Operation of Magnetron #1

3

Screen

This screen will allow operation of

Magnetron #1 and show the number of

amps being drawn.

NEXT TEST: Press this pad to go to the next Service Mode Test

PREV TEST: Press this pad to go to the previous Service Mode Test

TURN ON: This pad will toggle between turning the magnetron on and off.

CANCEL: Press this pad to return to the Main Menu

RANGE: Under normal operation, the amp draw should be 5 ­ 12 amps.

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Service Test

Manual Operation of Magnetron #2

4

Screen

This screen will allow operation of

Magnetron #2 and show the number of

amps being drawn.

NEXT TEST: Press this pad to go to the next Service Mode Test

PREV TEST: Press this pad to go to the previous Service Mode Test

TURN ON: This pad will toggle between turning the magnetron on and off.

CANCEL: Press this pad to return to the Main Menu

RANGE: Under normal operation, the amp draw should be 5 ­ 12 amps.

Convection Heater Screen

5
This screen will allow operation of the convection heater and show the number of amps being drawn.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
TURN ON: This pad will toggle between turning the heater on and off.
CANCEL: Press this pad to return to the Main Menu
RANGE: Under normal operation, the amp draw should be 5 ­ 12 amps.

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Radiant Heater Screen

Service Test
6
This screen will allow operation of the radiant heater and show the number of amps being drawn.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
TURN ON: This pad will toggle between turning the heater on and off.
CANCEL: Press this pad to return to the Main Menu
RANGE: Under normal operation, the amp draw should be 10 ­ 16 amps.

Convection Fan ­ Low Speed Screen
0

7
This screen will allow operation of the convection fan at a low speed and show the number of amps being drawn.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
TURN ON: This pad will toggle between turning the convection fan on and off at a low speed.
CANCEL: Press this pad to return to the Main Menu
RANGE: Under normal operation, the amp draw is too low to read.

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Service Test

Convection Fan ­ High Speed Screen

8
This screen will allow operation of the convection fan at a high speed and show the number of amps being drawn.

NEXT TEST: Press this pad to go to the next Service Mode Test

PREV TEST: Press this pad to go to the previous Service Mode Test

TURN ON: This pad will toggle between turning the convection fan on and off at a high speed.

CANCEL: Press this pad to return to the Main Menu

RANGE: Under normal operation, the amp
draw should be 0.6 ­ 2.6 amps. (It may not read amps)

Cooling Fan Screen

9
This screen will allow operation of the cooling fan show the number of amps being drawn.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
TURN ON: This pad will toggle between turning the cooling fan on and off.
CANCEL: Press this pad to return to the Main Menu
RANGE: Under normal operation, the amp draw should be 0.9 ­ 2.5 amps. (It may not read amps)
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Antenna Motor Screen
0
RTD Status Screen

Service Test
10
This screen will allow operation of the antenna motor show the number of amps being drawn.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
TURN ON: This pad will toggle between turning the antenna motor on and off.
CANCEL: Press this pad to return to the Main Menu
RANGE: Under normal operation, the amp draw may be to low to read.
11
This screen will show the temperatures being reported to the RTD’s in the oven. The maximum temps seen by the controller are also recorded for diagnostic purposes.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
CANCEL: Press this pad to return to the Main Menu
CLEAR INFO: Press this pad to reset the Maximum RTD temps to zero.

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Service Test

Memory / Network Status Screen

12
This screen will show which memory chips are present and if the oven is hooked up to an external network.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
CANCEL: Press this pad to return to the Main Menu

Error List Screen

13
This screen will show a description of the types of errors that can occur. NEXT TEST: Press this pad to go to the next Service Mode Test PREV TEST: Press this pad to go to the previous Service Mode Test CANCEL: Press this pad to return to the Main Menu
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Error History Screen
G2 C0 H1 B0

Service Test
14
This screen will show the previous error codes that have occurred in the oven.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
SCROLL: This pad will advance through the history of the error codes. (1-10)
CANCEL: Press this pad to return to the Main Menu Note: To clear codes: Press and hold Pad 1 until Code(s) disappear.

Voltage Switching Screen
208

15
This screen will show the line voltage detected by the oven.
NEXT TEST: Press this pad to go to the next Service Mode Test
PREV TEST: Press this pad to go to the previous Service Mode Test
CANCEL: Press this pad to return to the Main Menu

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Calibration
Touch Screen Calibration
To calibrate the touch screen perform the following steps.
1. The oven must be plugged In. 2. Stand-by screen must be in the Display. 3. Press the Hidden Pad.

Standby Screen

Type A

Type B

Hidden Pad
4. Press Pads 4, 5, 6. 5. Press Directly ON small Square in the Display.
The Square will move to a different location on the Display. 6. Press Directly On the small Square in the Display again until the
square disappears. 7. Press the 0 Pad. 8. A small box will appear in the top left square. Press on each box
and the small square will follow. After you have touched all the boxes and the small square followed you go to step 9. 9. Press the 0 pad to return to the Stand-by screen.
Note: If the small square did not follow you to each square repeat each square.

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Component Testing Procedures

! WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor before servicing, unless testing requires power.

Illustration

MT2

MT1

GA TE

Triac

(TR1) (TR2) (TR3) (TR4)

Component Thermal cutout

Test Disconnect all wires from TCO. Measure resistance across terminals.
Magnetron TCO …………………………………

Results
Open at 300°F (149°C) and closed at 257°F (125°C)

Diode Triac Capacitor Snubber assembly

Discharge Capacitor
Remove diode lead from capacitor and connect ohmmeter.
Reverse leads for second test. Disconnect wires to triac.
Measure resistance from: MT1 to MT2………………………………………. MT1 to Gate ………………………………………
MT2 to Gate ……………………………………… All terminals to ground ……………………….. Measure voltage from: MT1 to Gate Discharge Capacitor

Infinite resistance should be measured in one direction and 50K or more in the opposite direction.
NOTE: Ohmmeter must contain a battery of 6 volts minimum.
Caution – Do not operate oven with wire to terminal MT2 removed.
Infinite Approximately 15 , then reverse meter leads 30 Infinite Infinite 0.8 VAC when energized. If no voltage, check H.V. board and wiring.

Remove wires from capacitor terminals and connect ohmmeter, set on highest resistance scale to terminals.

Between Terminals: Meter should momentarily deflect towards zero then return to over 5 M. If no deflection occurs, or if continuous deflection occurs, replace capacitor.

Also check between each terminal and capacitor case………………………………………. Disconnect wires to snubber.

Terminal to Case: Infinite resistance

Measure resistance across terminals………. Infinite

Magnetron
Cooling blower motor Stirrer motor

Discharge Capacitor

Between Terminals: Less than 1

Remove wires from magnetron and connect ohmmeter to terminals. Also check between each terminal and ground.
Measure voltage at motor

Each terminal to ground measures Infinite resistance. Note: This test is not conclusive. If oven does not heat and all other components test good replace the magnetron and retest.
Approximately 24 vdc at incoming leads

Measure resistance across leads……….

Approximately 24K at incoming leads

Remove all wires from terminals.
Measure resistance from: Terminal to terminal………………………………. Approximately 29K

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Component Testing Procedures

! WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor before servicing, unless testing requires power.

Illustration

Component Transformer

Convection blower motor
ST1 ST2
Convection heating element

Nut 15/16″ (26mm) Deep Socket

Radiant heating element
Resistance thermal device (RTD)

Test Discharge Capacitor Remove all wires from terminals.

Results

Measure resistance from: 230 to COM………………………………………….. 208 to COM………………………………………….. 230 to Ground ………………………………………. 208 to Ground ………………………………………. Terminal 5 to 6 ……………………………………… Terminal 4 to Ground……………………………..
Use Service test to verify operation

Less than 1 Less than 1 Infinite Infinite Less than 1 Approximately 46

ST1-1 to ST1-3

BK

BU ———————————————-

Line Voltage

ST2

Disconnect ST2

GN – YL – OR -BU——————————- Fan should operate at

High Speed

Disconnect wires from terminals.

Measure resistance across heating

element.

Element

2000 W …………………..

Disconnect wires from terminals.

Approximately 19 – 22

Measure resistance across heating

element.

Element

3000 W …………………….

Temperature

Approximately 14 Resistance

32°F (0°C) ……………………………………………………. 350° (177°C) …………………………………………………..

1000 1654

876

9

10

0

1

2468

Wire harness

54 3 21

Limiter
Note: Unit must have power applied to test Limiter. Relay (Power)
This relay contains a diode in the coil circuit.
High voltage board to display module harness
Primary switch

Red – Orange Lead Terminals ………………….. Line Voltage

Yellow – Yellow Leads disconnected from Limiter ………………….. …………………..

Terminal 6 – Terminal 7

………………….. .

Measure resistance from:

Terminal 0 to terminal 1 (coil) …………

24vdc across yellow leads (Polarity must be correct) 0 Indicates continuity
Approximately 6 to 7 M

0

1

2

46

8

NOTE: Analog meter is recommended for measurement.
NOTE: If using a digital meter it must contain a battery of 6 volts minimum.

Test continuity of wires …………………..

Indicates continuity

Com NO NC

NC to Com Indicates continuity NO to Com Indicates infinity

Secondary switch
Monitor Interlock switch
Transformer, control (AXP20QT Only)

NC COM NO

NC to Com Indicates continuity NO to Com Indicates infinity

1 32
(1) RD to (5) OR ————————————

1 to 2 Indicates continuity 1 to 3 Indicates infinity Approximately 40 or Line Voltage

(6) BR to (10) VT ———————————— Approximately 1 or 28 vac

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Quick Start Reference Guide High Speed Commercial Combination Oven
Refer to Product Safety Manual for Safety Statements. Complete Owner’s Manual available online

Oven Controls
The oven touch screen displays menu options. The dial, keypad and touch screen can be used to navigate through onscreen menus. This guide will focus primarily on the dial control for menu navigation.

Dial Menu Navigation 1. Rotate the dial clockwise to scroll through menu options. 2. The current menu selection will be highlighted. 3. To select menu item, press dial.

The icons below will be used throughout this guide to indicate when menu navigation other than the dial is necessary.

TOUCH SCREEN

KEYPAD

Selecting a Function

Cooking with Pre-
programmed Pads To cook food using pre-programmed menu
items

1. After oven has

MENU

520° F

preheated to the

1. Appet-Side

2. Pasta-Pizza

desired temperature,

3. Meats

4. Seaf-Sub

highlight desired menu category by rotating the dial and

5. Dess-Soup

6. BreAapkpfaestt-Side

BACK

MANUAL

1.COOK

Misc

Non-Meat

press to select.

Chicken

2. Highlight menu item group 5. 6.

Fries

Vegetables

and press dial to select.

3. Highlight item.

BACK

MANMUiAscL COOK

1. Tater Tots 6oz

4. Open oven door, place

Jalapeno Popper 8 Nachos

Taquitos 4

food in oven and close door.

5. Push dial to start cooking

process.

6. At end of cooking cycle, oven

beeps and displays “DONE.

REMOVE FOOD FROM OVEN”

Push
Highlight menu items by rotating the dial. Push the dial to select.

Getting Started
Preheating the Oven
This oven can be set to a preheat temperature between 200°F and 520°F (95°C and 270°C).

1. Oven must be plugged in. 2. The Preheat Temperature the oven is set to will appear at
the top of the display. 2. Rotate the dial to highlight the PRESS TO PREHEAT button
and press to select. 3. Oven Preheating status menu will display until oven reaches
preheat temperature. The main menu screen will then appear.

520

MENU

PREHEAT TEMP 520° F

1. Appet-Side
3. Meats

2. Pasta-Pizza
4. Seaf-Sub

5. Dess-Soup

6. Breakfast

BACK

MANUAL COOK

Programming or Changing Preheat Setting To program the preheat setting:
1. Oven must be plugged in. 2. Rotate dial until CHANGE TEMP is highlighted and press
dial to select. 3 Rotate dial until desired temperature is displayed and press
knob to select.

32

Using MANUAL COOK
To cook food using a specific entered time and

power level. MENU

1. After oven has preheated,

Select MANUAL

Appet-Side Pasta-Pizza

COOK option on

3. Meats

4. Seaf-Sub

the menu screen by

5. Dess-Soup

6. Breakfast

rotating dial and press to select.

BACK

MANUAL COOK

2. For Stage 1, input

desired cooking

time using the dial.

Press dial.

3. Input desired

temperature.

Press dial.

4. Rotate dial until desired microwave

cooking power is displayed and

press.

5. Rotate dial until desired cooking fan

speed is displayed. Press to select.

6. Rotate dial until desired heating

setting is diplayed and press.

7. Repeat steps 2-6 for each cooking

stage, if more than one stage is

necessary.

8. Place food in oven as indicated on

the oven display.

9. Press start pad or touch screen to

start.

TOUCH SCREEN

KEYPAD

10. At end of cooking cycle, oven beeps and displays “DONE. REMOVE FOOD FROM OVEN”.
Note: To interrupt cooking cycle, open door. To
resume cooking, close door and press start.

Search

Quick Start Reference Guide High Speed Commercial Combination Oven

1

2

ACCESSING THE PROGRAM MENU

1. To access the PROGRAM MENU, select

MENU

the BACK button on the main menu screen.

1. Appet-Side

2. Pasta-Pizza

BACK

MANUAL COOK

Push

3. Meats

4. Seaf-Sub

2. Then select PROGRAM from the READY screen.

5. Dess-Soup
BACK

6. Breakfast
MANUAL COOK

Push

PROGRAM MENU OVERVIEW
NEW ­ Add a new menu item BACK ­ Go to previous screen EDIT ­ Change an existing menu item DELETE ­ Delete an existing menu item

ADDING OR CHANGING MAIN MENU LEVEL OR ITEM GROUP MENU

1. From PROGRAM MENU rotate dial to select NEW to add an item or EDIT to edit an existing menu item.

EDITING MAIN MENU CATEGORY SCREEN

2. From the MENU or MENU ITEM GROUP screen select EDIT MENU (border will flash).
3. Using the dial, highlight pad you wish to program or edit and press dial to select.

MENU

1. Appet-Side
3. Meats

2. Pasta-Pizza
4. Seaf-Sub

MENU

B.

1. Appet-Side

2. Pasta-Pizza

3. Meats

4. Seaf-Sub

4. Enter name for menu using keypad digits for letters, numbers and symbols. [For example: Press Keypad “2” three times for letter “c”] When the correct letter is displayed, wait until cursor moves to the next space. If a correction is necessary, press CLEAR to erase one character at a time. KEYPAD

5. Dess-Soup

6. Breakfast

BACK

EDIT MENU

A.

5. Dess-Soup

6. Breakfast

BACK

EDIT MENU

C.

EDITING FOOD CATEGORY SCREEN

MENU

Appet-Side

A.

1. Appet-Side

2. Pasta-Pizza

C.

1. Misc

2. Non-Meat

3. Meats

4. Seaf-Sub

Chicken

5. Dess-Soup

6. Breakfast

5. Fries

6. Vegetables

BACK

EDIT MENU

BACK

EDIT
MENU B.

ASSIGNED NAME Appet-Side

SPACE BACK

CLEAR SAVE

ASSIGNED NAME Misc

SPACE BACK

CLEAR SAVE

4. Highlight SAVE button and press dial to select when item is complete. If you do not wish to save the entry, press the back button to return the oven to Program Edit without saving. 5. Press BACK button to return to READY display.

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Quick Start Reference Guide High Speed Commercial Combination Oven

ADDING ITEM TO ITEM MENU

1. Select NEW from the PROGRAM MENU.to add a new

item or EDIT to edit item.

2. Select category you wish to change from MAIN MENU

and ITEM GROUP Menus.

3. At the ITEM MENU, rotate dial until until item to be

added or changed is highlighted and press dial. The

confirm screen will appear and ask you to confirm the

change you’re making. Touch CREATE or press knob CREATING NEW ITEM GROUP

to CONFIRM OVERWRITE. Note – When editing an item

the CONFIRM OVERWRITE screen does not appear.

MENU

Appet-Side

The cooking program menu will appear 4. For Stage 1 rotate the dial to input desired time.

A.

1. Appet-Side

2. Pasta-Pizza

B.

3. Meats

4. Seaf-Sub

5. Dess-Soup

6. Breakfast

1. Misc
3. Chicken
5. Fries

2. Non-Meat
4.
6. Vegetables

Push

BACK

EDIT MENU

BACK

EDIT MENU

Push
Misc
1. Tater Tots 6oz Jalapeno Popper 8 Nachos Taquitos 4
5.
CREATE

CONFIRM OVERWRITE OF

BACK

CREATE

5. Input desired temperature.
Push

6. Input desired microwave power
Push
7. Input desired fan speed
Push
8. Input desired (IR) heating setting.
Push
9. Press SAVE button on screen.
TOUCH SCREEN
If necessary, repeat steps 4 through 8 for stages 2, 3, and 4.

COOKING PROGRAM MENU

4

5

6

SAVE
7

SAVE
8

SAVE

10. Enter Item Names using letters on keypad and touch SAVE.

KEYPAD

TOUCH SCREEN

SAVE

SAVE

ASSIGNED NAME Mozz Ch St

SPACE BACK

CLEAR SAVE

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Quick Start Reference Guide High Speed Commercial Combination Oven

Refer to Product Safety Manual for Safety Statements. Complete Owner’s Manual available online
KEYPAD
Changing User Options
There are several option you can change to customize the operation of the oven for your business. The table below shows these options; the factory setting is shown in bold type.

1. Oven must be off. To turn oven off, press OFF button on Keypad.

2. Press and hold “2” keypad for three seconds.

3. Choose option by turning dial to highlight desired option. Press knob and the next option will be highlighted. 4. Press SAVE when finished.

Option # 1 2
3 4 5 6 7
8
9
10 11 12
13 14 15 16 17
18 19

Setting Name Digit Entry Menu Setting
Manual Lock Program Lock Door Open Keybeep Keybeep Volume
End of Cycle Beep
Keyboard Window
Preheat Warnings Temperature Scale Clean Filter
Auto Menu Magnetron Control Microwave Only Mode Manual Program Save Automatic Shut Off
Data Transfer Preheat Temperature*

Options Single digit entry Double digit entry 1 Level 2 Levels 3 Levels Manual cooking allowed Manual cooking not allowed Changes to programs allowed Password needed Opening door resets timer Opening door pauses cook cycle Off On Low Medium High Continuous until door is opened Three beeps once Three beeps repeating Off 30 Seconds 60 Seconds 120 Seconds Off Warn if oven not at temp
Temperatures are displayed in ºF for 60 Hz models
Temperatures are displayed in ºC for 50 Hz models
Off Displays every 7 days Displays every 30 days Displays every 90 days From Preheat, go to Ready From Preheat, go to Menu No individual tube programming Individual Tube Programming No microwave only mode Allow microwave only mode Do not save after manual cook Save after manual cook 2 Hours 4 Hours 8 Hours Disable Begin Transfer: Card to Oven Begin Transfer: Oven to Card
Enter Temperature in 5° increments 200°F (95°C) – 520°F (270°C)

CLEAN FILTER
When this message displays, clean the air filter thoroughly. Cleaning the air filter will not shut off the message. The message will automatically stop displaying after 24 hours. Depending on microwave use and environmental conditions, the filter may need to be cleaned more or less frequently. Once the frequency is determined, set the option for the appropriate time frame. Air filter and vents must be cleaned regularly to prevent overheating of the oven. Refer to Owner’s Manual for complete cleaning instructions.

  • Option 19 not on all models

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AXP / MXP EZCard Programming
To program the oven using the EZCard:
Oven must be in Standby mode (Preheat must be OFF)
1. Open protective cover from bottom of keypad. 2. Insert the EZCard into the slot located below the vertical keypad. Note: The EZCard can be inserted forwards or backwards. 3. From Standby, press and hold the “2” pad to go to “User Options”. 4. Go to Option #18 by pressing “Prev Option” on the screen or repeatedly pressing “Next Option” 5. Select the desired operation by highlighting “Transfer card to oven” or “Transfer oven to card” with the knob. 6. Press the “Start” pad to begin the transfer (The screen will indicate transferring and indicate done when transfer is complete.) 7. Press the SAVE pad to complete the process. Note: You can exit from programing the oven by pressing “off” keypad. 8. Remove EZCard and close the protective cover.
Standby Mode

USER OPTIONS

User Options

NEXT OPTION

PREV OPTION

CANCEL

SAVE

Previous Options

Press and Hold 2

Protective Cover

USER OPTIONS

NEXT OPTION

PREV OPTION

CANCEL

SAVE

Press Start

USER OPTIONS

NEXT OPTION

PREV OPTION

CANCEL

SAVE

Press Save

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Wiring Diagram – AXP20 P1333601M, P1333602M, AXP20JB P1333606M, AXP20MK P1333612M, MXP20 P1333614M, P1333615M
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VT

VT

VT

MAGNETRON 2

MAGNETRON 1

BOTTOM RADIANT HEATER

TOP CONVECTION HEATER

J7 J4

FILTER BOARD
J1 J3

DISPLAY

J6

BOARD

KEYPAD

J5 J3

P2 P1

RD

12G

YL

RADIANT HEATER TRIAC TR4

BR

CONVECTION RTD

BR

BK ST1
BU GN YL
ST2 OR BU

RECTIFIER

GY

GY

MAG TCO

F

FA

GY GY
TOUCH SCREEN DISPLAY
DATA KEY BOARD

OR

RADIANT RTD

OR

GY

GY

CONVECTION BLOWER

LEFT COOLING
FAN

RIGHT COOLING
FAN

CAPACITOR 2 6

RD

12G

BU

CONVECTION HEATER
TRIAC TR3

OR OR BR BR GY GY J3

BU BU OR YL GN YL VT

J10

J14

BU

GY

OR

RD BU

RD BU

BU WH

BU WH

LEFT POWER XFMR 2

5

HV

4

COM 200 230 BR GY VT

J12

RD

J8 YL VT

BK

BK

BK

YL

YL

BR

BR

BR

RD

J13
RD RD
J2 WH WH

J15
CONTROL BOARD
J11

BU J1
OR
J5

YL

J9 RD

WH

YL

YL

WH

J7 BU

BU

WH

BU

J4

RD

RD GY

VT

J6

BK

BU

OR

FUSE F2 F3 F4
OR

VT

YL

G XFMR

2 TRIAC

1 TR1

BR

G

2

1

RD RD

XFMR

TRIAC

BK

TR2 BK

BU BK GY GY VT VT

GY

GY

MAG TCO

F

FA

RECTIFIER

6 5
COM 200

CAPACITOR 1
HV 4
RIGHT POWER XFMR 1 230

YL BU OR

POWER GN CORD

WH

BK

WH

BK

RD TERM BK BLOCK

BK

OR

BK

OR

BK

FUSE F1

OR

RD

RD

J1

RD

RD

WH

WH

J2

WH

WH

OR

WH J1

BK

J2

RD BU OR C NO NC

RD
RELAY BOARD

POWER SUPPLY BOARD

MONITOR INTLK SWITCH

GY FUSE F5

BU FUSE F6

THERMOCOUPLE

LIMITER VT

YL

16

YL

27

RD

OR

38

OR

49

YL

RD

5 10

RD

TERM BLOCK

RD

RD

RD

BU

RD

RD

RD

RD

WIRING DIAGRAM PART NO. 20000403

WIRE CODE HIGH VOLTAGE
LOW VOLTAGE

BLUE BU BLACK BK ORANGE OR BROWN BR PINK PK WHITE WH YELLOW YL RED RD GRAY GY GREEN GN VIOLET VT TAN TN

OR

WH

OR

LEFT ANTENNA
MOTOR

WH
RIGHT ANTENNA
MOTOR

OR

OR

VT

BK

20

BK BU

4

BU 6
RD

SNUBBER

RD

81

YL

POWER RELAY

OR

COM

VT
PRIMARY INTLK SWITCH

NO NC

YL

YL YL
YL

NO COM NC

SECONDARY INTLK SWITCH

Schematic Diagram – AXP20 P1333601M, P1333602M, AXP20JB P1333606M, AXP20MK P1333612M, MXP20 P1333614M, P1333615M

Radiant Convection

RTD

RTD

F6

INTERLOCK POSITION DOOR CLOSED
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Wiring Diagram – AXP20QT P1333610M
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VT

VT

VT

MAGNETRON 2

MAGNETRON 1

BOTTOM RADIANT HEATER

TOP CONVECTION HEATER

J7 J4

FILTER BOARD
J1 J3

DISPLAY

J6

BOARD

KEYPAD

J5 J3

P2

DATA KEY

BOARD

P1

RD

12G

YL

RADIANT HEATER TRIAC TR4

BR

CONVECTION RTD

BR

BK ST1
BU GN YL
ST2 OR BU

RECTIFIER

GY

GY

MAG TCO

F

FA

GY

GY

MAG TCO

F

FA

RECTIFIER

OR

RADIANT RTD

OR

GY

GY

GY

CONVECTION BLOWER

LEFT COOLING
FAN

RIGHT COOLING
FAN

CAPACITOR 2 6

CAPACITOR 1 6

GY

RD

12G

BU

OR OR BR BR GY GY BU BU OR YL GN YL VT

CONVECTION HEATER
TRIAC TR3

RD BU

RD BU

J3

J10

J14

BU

GY

OR

BU WH

BU WH

LEFT POWER XFMR 2

5

HV

4

COM 200 230 BR GY VT

5

HV

4

COM 200 230

RIGHT POWER XFMR 1

YL BU OR

TOUCH SCREEN DISPLAY

RD

RD

BU

BU

BU RD
ADAPTOR BD PLUG
BR VT

J12

J13
RD RD
J2 WH WH

J15
CONTROL BOARD
J11

BU J1
OR

J5 BU BK GY GY VT VT

RD

J8 YL

VT

BK

BR

RD

YL

J9 RD

WH

YL

YL

WH

J7 BU

BU

WH

BU

J4

RD

RD GY

VT

J6

BK

BU

OR

BK

BK

YL

YL

BR

BR

FUSE F2 F3 F4
OR

VT

YL

G XFMR

2 TRIAC

1 TR1

BR

G

2

1

RD RD

XFMR

TRIAC

BK

TR2 BK

POWER GN CORD

BR
FUSE F7

CONTROL XFMR

VT

BR

10 5
OR

6 1
RD

WH

BK

WH

BK

RD TERM BK BLOCK

BK

OR

BK

OR

BK

FUSE F1

OR

RD

RD

J1

RD

RD

WH

WH

J2

WH

WH

WH

OR

J1

RD

J2

RD BU OR C NO NC

BK
RELAY BOARD

POWER SUPPLY BOARD

MONITOR INTLK SWITCH

GY

BU

FUSE F5

FUSE F6

THERMOCOUPLE

LIMITER

VT RD YL

YL 16
YL 27
OR 38
OR 49
RD 5 10
RD

TERM BLOCK

RD

RD

RD

RD

BU

RD

RD

RD

RD

WIRING DIAGRAM PART NO. 20032701

WIRE CODE HIGH VOLTAGE
LOW VOLTAGE

BLUE BU BLACK BK ORANGE OR BROWN BR PINK PK WHITE WH YELLOW YL RED RD GRAY GY GREEN GN VIOLET VT TAN TN

OR

WH

OR

LEFT ANTENNA
MOTOR

WH
RIGHT ANTENNA
MOTOR

OR

OR BK

20

VT

BK BU

4

BU RD

6

SNUBBER

RD 81

YL

POWER RELAY

OR

COM

VT
PRIMARY INTLK SWITCH

NO NC

YL

YL YL
YL

COM NO NC

SECONDARY INTLK SWITCH

Schematic Diagram – AXP20QT P1333610M

L1 F1

GND L2

J1-1

J1-3

CONTROL XFMR

F7
J1-1 +24VDC J10-1
TACH J10-2 PWM J10-3 GND J10-4

J3-F

J3-E

ADAPTOR BD PLUG

I2C PORT

DATA PORT

J1-3

J2-3

J11

J12

CONTROL

J3-I

J3-J

J3-G

J3-H

J13 J2-1

J2-6,7

J2-8

GND

J2-1,2 +24VDC

POWER SUPPLY

KEYPAD
J5 J3

DATAKEY P2 BOARD

J1 J3

J4 DISPLAY J7 BOARD

TOUCHSCREEN DISPLAY

F2
ST1-2

ST2-5 ST2-4 ST2-2 ST2-1

RADIANT CONVECTION MAG

RTD
ST1-1

RTD

TCOs

FILTER BOARD
ANTENNA MOTORS

M

M

J4-2
U8

J4-1
K1

CONV BLOWER

J7-1
J7-2
K2

6 N.O.
7

9

10

3
4
LIMITER

M
TC

J8-7 J14-2

J9-1

TR1

T2
U19

G J9-2 T1

CONTROL
J14-1

J8-8

J5-5

J5-6

F5

CONVECTION HEATER

J5-3 U10 J5-4

(TOP)

40ATR3

G

T2 T1

CONTROL
PRIMARY INTERLOCK

F6 SNUBBER

U15

J5-1

J5-2

CONTROL

RADIANT HEATER (BOTTOM)

40ATR4

G

T2 T1

SECONDARY INTERLOCK

J9-3 TR2 T2

G J9-4 T1

CONTROL

2

0

1

6

4

POWER RELAY

8

J3-L
CONTROL

MONITOR INTERLOCK

J1-1

DELAY

J1-2

CIRCUIT

J2-1

J2-4

K3

RELAY BOARD

J6-3

J6-2

J6-1
U11 CONTROL

200
T1
230

+24VDC J2-3
POWER

SUPPLY
J2-5

M

GND

COOLING FAN

F3
COM

J8-1

J8-3 J8-2

G T1 T2 40ATR2
HV CIRCUIT (2 PLACES) 6 5

T

4

CAPACITOR RESISTOR

RECTIFIER

TO HV CIRCUIT RIGHT MAGNETRON
F4

COM
T2

200 230

FA F

TO HV CIRCUIT LEFT MAGNETRON
INTERLOCK POSITION DOOR OPEN

MAGNETRON

J7-4

J7-5

U17

+24VDC

J7-3

J7-6

GND

CONTROL

M
COOLING FAN

40ATR1
T2 T1 G

J8-5 J8-6
J8-4

K4

J6-5

J6-6

J6-4
U14

CONTROL

20032801

40

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Appendix A
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AXP/MXP Care and Cleaning
Daily Cleaning Recommendations: Follow the recommendations below for proper maintenance of the AXP/MXP oven. Please note: The use of caustic cleaning products or those containing ammonia, phosphates, chlorine, sodium or potassium hydroxide (lye) can damage critical oven parts. Do not use water pressure type cleaning systems. Use of unapproved cleaning agents will void the terms of the warranty. Recommended Cleaning Supplies: damp towel, plastic scouring pad, ACP Oven Cleaner (Item CL10) and ACP Oven Shield Oven Protectant (Item SH10).

WARNING

Wear protective gloves and protective glasses when cleaning the oven. To prevent burns, handle utensils, accessories, and door with care. Allow oven, utensils, and accessories to cool before cleaning. Oven, utensils, and accessories become hot during operation.

I. For a new oven, before using it the first time:
When oven is clean, spray damp towel with ACP Oven Shield and wipe all interior surfaces. Do not remove Oven shield. Turn oven on and pre-heat to start cooking.

II. DAILY CLEANING 1A. If oven is hot: Shut oven
off by pressing OFF button twice and open door. Fan will continue running until oven has cooled. Cooling takes 1520 minutes.
1B. If oven is cold: For
optimum results heat oven to a maximum temp of 200°F (94°C), turn oven OFF, wait until fan stops.
2. Remove rack, pizza
stone, and other accessories from the cavity when it’s cooled
3. Lift Bottom Element
If element is warm, use insulated gloves, oven mitt or tongs to lift the element. Remove baked on particles using a scraper.
4. Spray Oven Interior Wear rubber gloves and safety glasses. Spray oven door, sides and floor with ACP Oven Cleaner. Avoid spraying into perforations. Allow cleaner to soak for 2 minutes.

5. Clean Oven Interior
5A. Clean the oven door and interior using a plastic scouring pad on metal portions of oven. White ceramic covers on the both sides of the oven turn to a yellow tan color after usage. Gently clean the ceramic covers and red sealant, apply only gentle pressure while cleaning. If needed, repeat steps 4 and 5. 5B. Clean perforated area with damp towel sprayed with cleaner.
6. Wipe Oven Interior
Using a damp clean towel, wipe the oven interior, rinse towel and wring dry, repeat 2-3 times to remove remaining oven cleaner and particles from the oven.
7. Spray Oven Shield
When oven is clean, spray a thin layer of ACP Oven Shield on all interior surfaces. Place rack back in oven. Do not remove Oven Shield.
8. Clean Oven Exterior
Clean exterior door and other surfaces with a clean cloth, sponge or nylon pad using a mild detergent and warm water solution.

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III. WEEKLY CLEANING
1. Clean Air Filter Remove the air filters located on each side of the oven at the base. Wash filter in a mild detergent solution made with warm water. Rinse and dry thoroughly. Replace filters by sliding back into the side locations.
DO: Clean oven daily Use non-caustic cleaner Remove food from oven at end of cycle Use only accessories that are both high temperature oven-safe and microwave-safe. Wash rack with warm, soapy water and air dry. Clean pizza stone by using a plastic scraper to remove baked on particles.
DO NOT: DO NOT use caustic cleaning products or those containing ammonia, phosphates, chlorine, sodium or potassium hydroxide (lye) DO NOT use a water- pressure type cleaning system DO NOT cook foods with plastic wrap on them DO NOT use abrasive scouring pads to clean ceramic side covers and the red sealant surrounding each cover. DO NOT wash or immerse pizza stone DO NOT operate oven with out a load (empty) in microwave mode.
Any chemical questions please refer to Chemco’s MSDS’ for ACP Oven Cleaner and ACP Oven Shield Protectant or contact ACP, Inc. ComServ Customer Service.
email: commercialservice@acpsolutions.com
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60 Hz High Speed Combination Oven January 2011

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16400002 Rev. 3

References

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