L2004552 DucoBox Energy Premium Instruction Manual
- June 29, 2024
- Duco
Table of Contents
L2004552 DucoBox Energy Premium
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Specifications
- Product: DucoBox Energy
- Type: Mechanical Ventilation System
- Manufacturer: VERO DUCO
- Country of Origin: Belgium
Product Usage Instructions
Overview of Error Codes
If you encounter error codes on the display of the DucoBox
Energy, refer to the following table for error descriptions and
solutions:
| Error Code | Type of Error | Error Description and Problem Statement | Solution |
|---|---|---|---|
| No error code | – | The DucoBox Energy is live but does not respond | Check |
and/or replace the circuit board, see page 20
141| Error| No response from the extractor fan; check and/or replace the
extractor fan| Check and/or replace the fan, see page 9
311| Error| ODA (outdoor air to the unit) temperature sensor value is too
low; check and/or replace the sensor| Check and/or replace the temperature
sensor, see page 12
Service Instructions
Always ensure that the product is correctly installed before
attempting any service or repair. Follow these steps for common
service tasks:
Check and/or Replace the Fan (Error Code 141)
-
Refer to the wiring diagram for DucoBox Energy Comfort (Plus)
or Premium. -
Locate the fan component.
-
If necessary, replace the fan following the instructions
provided on page 9.
Check and/or Replace the Temperature Sensor (Error Code
-
Refer to the electrical diagram for DucoBox Energy Comfort
(Plus) or Premium. -
Identify the temperature sensor.
-
If needed, replace the temperature sensor as per the guidance
on page 12.
Frequently Asked Questions (FAQ)
Q: Can I perform repairs on the DucoBox Energy myself?
A: Installation, connection, maintenance, and repairs should be
done by an accredited installer to ensure safety and proper
functioning of the product.
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Error codes mechanical
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ventilation DucoBox Energy
Service instructions
L2004552 (revision B | 06.05.2024)
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Table of contents
01 Overview of error codes 3 02 Overview of solutions 7
02.A Schematic representation (printed circuit board and wiring) of the
DucoBox Energy 7 Of the DucoBox Energy Comfort (Plus) 7 Of the DucoBox Energy
Premium 8
02.B Check and/or replace the fan 9 Additional explanations 9 Possible causes
9 Service instruction 9 Electrical diagram of DucoBox Energy Comfort (Plus) 10
Electrical diagram of DucoBox Energy Premium 11
02.C Check and/or replace the temperature sensor 12 Additional explanations 12
Possible causes 12 Service instruction 12 Electrical diagram of DucoBox Energy
Comfort (Plus) 13 Electrical diagram of DucoBox Energy Premium 14
02.D Check and/or replace the pressure sensor 15 Additional explanations 15
Possible causes 15 Service instruction 15 Electrical diagram of DucoBox Energy
Comfort (Plus) 16 Electrical diagram of DucoBox Energy Premium 17
02.E Check and/or replace the user controller/room sensor18 Additional
explanations 18 Possible causes 19 Service instruction 19 Wiring diagram
DucoBox Energy Comfort (Plus) 20 Wiring diagram DucoBox Energy Premium 20
02.F Check and/or replace the circuit board 21 Additional explanations 21
Possible causes 21 Service instruction 21 Electrical diagram of DucoBox Energy
Comfort (Plus) 22 Electrical diagram of DucoBox Energy Premium 23
Copyright rules: all rights reserved Translation from Dutch of the original
instructions Changes based on technical improvements reserved For information
regarding warranty, installation, technical data, etc, see wwwducoeu
Installation, connection, maintenance and repairs are to be carried out by an
accredited installer The electronic components of this product may be live
Avoid contact with water
Always check that the product is correctly installed according to the
installation manual before consulting the service manual.
VERO DUCO – Handelsstraat 19 – 8630 Veurne – Belgium tel +32 58 33 00 33 – info@duco.eu – www.duco.eu
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L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
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01 Overview of error codes
If the troubleshooting shows that the problem can be solved by replacing a
component, please refer to the spare parts list
Various error codes may appear on the display of a ventilation system Below
you will find an overview of these codes, each with the error description and
problem statement next to it and a hyperlink to the solution (to extra info on
what exactly to do and how)
ERROR CODE
TYPE OF ERROR
ERROR DESCRIPTION AND PROBLEM STATEMENT
SOLUTION
No error code
/
The DucoBox Energy is live but does not respond
Check and/or replace the circuit board, see page 20
141
error
No response from the extractor fan; check and/or replace the extractor fan
Check and/or replace the fan, see page 9
311
error
ODA (outdoor air to the unit) temperature sensor value Check and/or replace the temperature
is too low; check and/or replace the sensor
sensor, see page 12
312
error
ODA (outdoor air to the unit) temperature sensor value Check and/or replace the temperature
is too high; check and/or replace the sensor
sensor, see page 12
313 314 315
error error error
ODA (outdoor air to the unit) temperature sensor cannot Check and/or replace the temperature
be read; check and/or replace the sensor
sensor, see page 12
ODA (outdoor air to the unit) temperature sensor has been measuring the same temperature for a long time; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
ODA (outdoor air to the unit) temperature sensor is short-circuited; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
316 411 412 413 414 415 416 611 612 613
error error error error error error error error error error
ODA (outdoor air to the unit) temperature sensor has a Check and/or replace the temperature
bad connection; check and/or replace the sensor
sensor, see page 12
ETA (extract air from the house to the unit) temperature sensor value is too low; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
ETA (extract air from the house to the unit) temperature sensor value is too high; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
ETA (extract air from the house to the unit) temperature Check and/or replace the temperature sensor cannot be read; check and/or replace the sensor sensor, see page 12
ETA (extract air from the house to the unit) temperature sensor has been measuring the same temperature for a long time; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
ETA (extract air from the house to the unit) temperature sensor is short- circuited; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
ETA (extract air from the house to the unit) temperature sensor has a bad connection; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
EHA (exhaust air from the unit to the outside) temperature sensor value is too low; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
EHA (exhaust air from the unit to the outside) temperature sensor value is too high; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
EHA (exhaust air from the unit to the outside) temperature sensor cannot be read; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
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ERROR CODE 614
615 616 1611 1612 1613 1614 1615 1616 2841 2911 2912 2913 2914 2915 2916 3011
3012 3013
TYPE OF ERROR error
error error error error error error error error error error error error error
error error error error error
ERROR DESCRIPTION AND PROBLEM STATEMENT
SOLUTION
EHA (exhaust air from the unit to the outside) temperature sensor has been measuring the same temperature for a long time; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
EHA (exhaust air from the unit to the outside) temperature sensor is short- circuited; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
EHA (exhaust air from the unit to the outside) temperature sensor has a bad connection; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
Extract air pressure sensor value is too low; check and/ Check and/or replace the pressure sensor,
or replace the sensor
see page <?>
Extract air pressure sensor value is too high; check and/ Check and/or replace the pressure sensor,
or replace the sensor
see page <?>
Extract air pressure sensor cannot be read; check and/ Check and/or replace the pressure sensor,
or replace the sensor
see page <?>
The extract air pressure sensor has been measuring the same value for a long time; check and/or replace the sensor
Check and/or replace the pressure sensor, see page <?>
The extract air pressure sensor is short-circuited; check Check and/or replace the pressure sensor,
and/or replace the sensor
see page <?>
The extract air pressure sensor has a bad connection; Check and/or replace the pressure sensor,
check and/or replace the sensor
see page <?>
No response from the supply fan; check and/or replace Check and/or replace the fan, see
the supply fan
page 9
The supply air pressure sensor is too low; check and/or Check and/or replace the pressure sensor,
replace the sensor
see page <?>
The supply air pressure sensor is too high; check and/or Check and/or replace the pressure sensor,
replace the sensor
see page <?>
The supply air pressure sensor cannot be read; check Check and/or replace the pressure sensor,
and/or replace the sensor
see page <?>
The supply air pressure sensor has been measuring the same value for a long time; check and/or replace the sensor
Check and/or replace the pressure sensor, see page <?>
The supply air pressure sensor is short-circuited; check Check and/or replace the pressure sensor,
and/or replace the sensor
see page <?>
The supply air pressure sensor has a bad connection; check and/or replace the sensor
Check and/or replace the pressure sensor, see page <?>
SUP (supply air from the unit to the house) temperature sensor value is too low; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
SUP (supply air from the unit to the house) temperature sensor value is too high; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
SUP (supply air from the unit to the house) temperature Check and/or replace the temperature sensor cannot be read; check and/or replace the sensor sensor, see page 12
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ERROR CODE 3014 3015 3016
TYPE OF ERROR error
error
error
ERROR DESCRIPTION AND PROBLEM STATEMENT
SOLUTION
SUP (supply air from the unit to the house) temperature sensor has been measuring the same temperature for a long time; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
SUP (supply air from the unit to the house) temperature sensor is short- circuited; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
SUP (supply air from the unit to the house) temperature sensor has a bad connection; check and/or replace the sensor
Check and/or replace the temperature sensor, see page 12
31191
warning Replace the filters
See maintenance instructions
32101 33101 35171 35172 35173 36241 36242 37171 37172 37173 40171 40172 40173 42221 42222
warning
Outdoor temperature too low – ventilation is switched off for 8h
/
error
Outdoor temperature too low – ventilation is permanently switched off Restart the DucoBox later
/
error
Temperature sensor value is too low; check and/or replace the sensor
/
error
Temperature sensor value is too high; check and/or replace the sensor
/
error
The value of the temperature sensor cannot be read; check and/or replace the sensor
/
error
The connection to the weather station has been lost Check the connection
/
error
The connection with the outdoor temperature sensor has been lost Check the connection
/
error
The value of the CO2 sensor is too low; check and/or replace the sensor
Check and/or replace the user controller/ room sensor, see page 18
error
The value of the CO2 sensor is too high; check and/or replace the sensor
Check and/or replace the user controller/ room sensor, see page 18
error
The value of the CO2 sensor cannot be read; check and/ Check and/or replace the user controller/
or replace the sensor
room sensor, see page 18
error
The value of the Humidity sensor is too low; check and/ Check and/or replace the user controller/
or replace the sensor
room sensor, see page 18
error
The value of the Humidity sensor is too high; check and/ Check and/or replace the user controller/
or replace the sensor
room sensor, see page 18
error error error
The value of the Humidity sensor cannot be read; check Check and/or replace the user controller/
and/or replace the sensor
room sensor, see page 18
The number of connected valves is too high The maximum number is given in the
manual
The number of connected valves is too low The minimum is 2
See installation manual DB Energy Comfort (Plus) or installation manual DB
Energy Premium
See installation manual DB Energy Comfort (Plus) or installation manual DB
Energy Premium
L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
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ERROR CODE 43231 43232 4461 4462
TYPE OF ERROR warning
warning
error
error
ERROR DESCRIPTION AND PROBLEM STATEMENT
SOLUTION
The adjustment has not yet happened or has failed Do the adjustment (again)
The desired flow rate cannot be achieved Check the entire installation
There is no connection to the Duco Pre-Heater Check the connection
A Duco Pre-Heater is connected to the DucoBox Go to settings to configure it
See installation manual DB Energy Comfort (Plus) or installation manual DB
Energy Premium
See installation manual DB Energy Comfort (Plus) or installation manual DB
Energy Premium
See installation manual DB Energy Comfort (Plus) or installation manual DB
Energy Premium
See installation manual DB Energy Comfort (Plus) or installation manual DB
Energy Premium
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02 Overview of solutions
02.A Schematic representation (printed circuit board and wiring) of the
DucoBox Energy
Of the DucoBox Energy Comfort (Plus)
FAN 1
FAN 2
Power Connector
DESCRIPTION PE N L
COLOUR Yellow/Green
Blue Brown
TEMP
T1 T2 T3 T4
FAN 1
F1
M0 M1 P1/P2 F2 FAN 2
PCB
P1 P2
- Not present with the D325
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Of the DucoBox Energy Premium
FAN 2
FAN 1
Power Connector
DESCRIPTION PE N L
COLOUR Yellow/Green
Blue Brown
F1
TEMP
M0
P1/P2
M1
F2
T1 T2
T3
P1
T4 P2
PCB
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02.B Check and/or replace the fan
Error codes 141 and 2841
Additional explanations
The confirmation signal that the fan is rotating is missing, or the fan cannot
reach the required speed In the latter case, the speed (rpm) can optionally be
read via the Duco Network Tool
Possible causes
· The power cable or communication wires are not properly connected to the fan
· The fan motor is blocked or has failed · The pressure sensor is damaged ·
The mains voltage of the DucoBox is abnormal · The DucoBox circuit board is
damaged · The ventilation ducts to and from the DucoBox are blocked · The fan
or fan cable is physically damaged
Service instruction
Error code 1.4.1 / 28.4.1
Are the extractor fan power wires or communication wires correctly connected
to the circuit board? See DucoBox Energy electrical diagrams on the following
pages Yes
Is the fan motor blocked?
No
Does the fan still run?
Yes
The error has been resolved?
No
Make sure power and communication wires are
connected correctly
Yes
Remove the obstacles in the ventilation ducts or in the
DucoBox
No Replace the fan See QR code below
If not
Contact DUCO Service
Service & Maintenance DucoBox Energy Comfort D325 fans
Service & Maintenance DucoBox Energy Premium fans
Service & Maintenance DucoBox Energy Comfort D400 and Comfort Plus fans
Specifically for a DucoBox Energy Comfort D325, you may wish to order the
“Scroll puller DucoBox Energy Comfort”
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Electrical diagram of DucoBox Energy Comfort (Plus)
FAN 1 FAN 2
FAN 1
FAN 2
Power Connector DESCRIPTION PE N L
Control connector DESCRIPTION GND 0-10V PWM 10V Tacho
COLOUR Yellow/Green
Blue Brown
COLOUR Blue or brown
Yellow Red or green
White
FUNCTION Grounding Neutral conductor/ 230VAC Phase wire / 230VAC
FUNCTION Ground
Input: 0-10V-PWM Output: 10VDC Tacho output
10 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
With the DucoBox Energy Comfort D325, the shape of
the fan differs
Electrical diagram of DucoBox Energy Premium
FAN 2
ENGLISH
FAN 1
FAN 1
FAN 2
Power Connector DESCRIPTION PE N L
Control connector DESCRIPTION GND 0-10V PWM 10V Tacho
COLOUR Yellow/Green
Blue Black
COLOUR Blue or brown
Yellow Red or green
White
FUNCTION Grounding Neutral conductor/ 230VAC Phase wire / 230VAC
FUNCTION Ground
Input: 0-10V-PWM Output: 10VDC Tacho output
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02.C Check and/or replace the temperature sensor
Error codes 311 to 316; error codes 411 to 416; error codes 611 to 616; error
codes 3011 to 3016
Additional explanations
The temperature sensor is not read correctly by the DucoBox or the connection
between the DucoBox and the temperature sensor is interrupted
Possible causes
· The temperature sensor is damaged · The connection to the temperature sensor
is interrupted · The DucoBox Energy printed circuit board is damaged
Service instruction
Error codes 3.1.x / 4.1.x / 6.1.x / 30.1.x
Can you read the value of the 4 temperature sensors via the display of the DucoBox?
No
Replace the temperature sensor See QR code below
Yes Is the measured value in the display realistic?
Yes Contact DUCO Service if an error code still appears
No
Is the DucoBox configured correctly left/right?
Yes Clean the temperature sensor
Is the problem solved? Nee
No Refer to the manual to reset and reinstall the unit
Yes The error code has disappeared
Vervang de defecte temperatuursensor Zie QR-code hieronder
Service & Maintenance DucoBox Energy Comfort (Plus) temperature sensors
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Service & Maintenance DucoBox Energy Premium temperature sensors
Electrical diagram of DucoBox Energy Comfort (Plus)
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TEMP
T1 T2 T3 T4
TEMP. (°C) -10 -5 0 5 10 15 20 25 30
RESISTANCE (Ohm) 55218 42268 32624 25381 19897 15711 12493 10000 8056
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Electrical diagram of DucoBox Energy Premium
TEMP
T1 T2
T3
TEMP. (°C)
RESISTANCE (Ohm)
-10
55218
T4
-5
42268
0
32624
5
25381
10
19897
15
15711
20
12493
25
10000
30
8056
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02.D Check and/or replace the pressure sensor
Error codes 1611 to 1616; error codes 2911 to 2916
Additional explanations
The pressure sensor ETA or SUP is not being read correctly by the DucoBox or
the connection between the DucoBox and the pressure sensor is interrupted
Possible causes
· There are air leaks in and around the DucoBox (eg careless installation of
the front panel) · The pressure sensor was not correctly mounted in the casing
· The connection to the pressure sensor is broken · An air duct to or from the
DucoBox is blocked · The pressure sensor is damaged or dirty · The DucoBox
Energy printed circuit board is damaged
Service instruction
Error code 16.1.x / 29.1.x
Can you read the value of the 2 pressure sensors via the DucoBox’s display?
Yes
From the display menu, go to calibration and reduce the pressure Is the unit
running stably and has the
engine speed dropped?
Yes
No
Check the connection If the problem is not solved:
replace the pressure sensor concerned See QR code
below
No Replace the pressure sensor See QR code below
Contact DUCO Service
Service & Maintenance DucoBox Energy Comfort (Plus) pressure sensors
Service & Maintenance DucoBox Energy Premium pressure sensors
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Electrical diagram of DucoBox Energy Comfort (Plus)
P1/P2
P1 P2
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Electrical diagram of DucoBox Energy Premium
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P1/P2
P1 P2
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02.E Check and/or replace the user controller/room sensor
Error codes 37171 to 37173; error codes 40171 to 40173
Additional explanations
The measured value of the room sensor is too high, too low or cannot be read
correctly by the DucoBox, via the Duco Network Tool or via the Duco
Installation App
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Possible causes
· The room sensor is damaged · The cabling (Wired) from the DucoBox to the
room sensor is
interrupted
Service instruction
· The room sensor is outside the RF range of the DucoBox · The room sensor is exposed to direct sunlight
Error code 37.17.x / 40.17.x
Is the room sensor Wired? No
Yes
Do you measure 24V DC on the
No
Measure the power source to the sensor (replace either the
component?
transformer or the wiring) See
wiring diagrams on page 20
Yes
Measure the communication wiring (A, B, GND)
No
from the room sensor to the DucoBox Is the
communication OK?
Connect the component correctly to the DucoBox according to the wiring
diagram
Yes
Perform a hard power interruption (10 seconds
Yes
of power off) Does the error disappear?
Problem solved
No Replace the room sensor See QR code below
No Is there 230V mains voltage on the RF component?
Provide correct connection to the mains
Yes
Check the signal strength with the Duco Network tool See info sheet RF
communication Is the signal
strength OK?
No
Add an extra repeater (an RF component) to the
installation or move the DucoBox’s RF antenna using a
coaxial cable until the signal strength is OK
Yes
Replace the room sensor: see installation manual for the remote control
Installation guide Control / Room sensor
Info sheet RF communication
19 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
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Wiring diagram DucoBox Energy Comfort (Plus)
24 VDC
POWER SUPPLY 230 VAC Duco Reference*
A B GND
24 VDC
POWER SUPPLY
230 VAC
Min 0,75 mm²
24 VDC A B GND
230 VAC RF
RF
User controller
User controller
Max. of 50 components of which no more than 25 RF
RF obstacle-free zone (at least 30 cm)
Wiring diagram DucoBox Energy Premium
230 VAC
POWER SUPPLY
24 VDC
230 VAC A B GND
GND B A
Duco Wired
24 VDC A B GND
230 VAC RF
RF
User controller
User controller
Max. of 50 components of which no more than 25 RF
RF obstacle-free zone (at least 30 cm)
20 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
02.F Check and/or replace the circuit board
No error code
Additional explanations
The display does not start up and/or no LED indicator is lit on the DucoBox’s
circuit board
Possible causes
· Poor connection of the power cables on the DucoBox board · The display is
damaged · There is no mains voltage on the DucoBox Energy · The DucoBox Energy
printed circuit board is damaged
Service instruction
The DucoBox printed circuit board or display does not respond.
ENGLISH
Is mains power present on the DucoBox?
No
Check in the meter box whether the fuse has blown
Or the power cable is not connected correctly
Check and reconnect the power cable to the socket
Yes
Does the circuit board still respond to manual action
Yes
(pressing the ‘Inst’ button)?
Exchange the damaged Display See QR code below
No
Replace the circuit board, see QR code below or complete the complaint form
online and submit it to
DUCO Service
Service & Maintenance DucoBox Energy Comfort (Plus) PCB
Service & Maintenance DucoBox Energy Premium PCB
21 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
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Electrical diagram of DucoBox Energy Comfort (Plus)
F1 Power Connector
DESCRIPTION PE N L
COLOUR Yellow/Green
Blue Brown
TEMP
M0 M1 P1/P2 F2
PCB
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Electrical diagram of DucoBox Energy Premium
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Power Connector
DESCRIPTION PE N L
COLOUR Yellow/Green
Blue Brown
F1
TEMP
M0
P1/P2
M1
F2
PCB
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L2004552 Document last modified on 06.05.2024 (revision B)
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References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>