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Duco DucoBox Energy Service Instructions Manual

Error codes
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Error codes mechanical
ENGLISH
ventilation DucoBox Energy
Service instructions
L2004552 (revision B | 06.05.2024)

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Summary of Contents for Duco DucoBox Energy

  • Page 1 Error codes mechanical ENGLISH ventilation DucoBox Energy Service instructions L2004552 (revision B | 06.05.2024)
  • Page 2 Changes based on technical improvements reserved� For information regarding warranty, installation, technical data, etc�, see www�duco�eu� 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�...
  • Page 3 ERROR DESCRIPTION AND PROBLEM STATEMENT SOLUTION ERROR No error Check and/or replace the circuit board, see The DucoBox Energy is live but does not respond� code page 20 No response from the extractor fan; check and/or Check and/or replace the fan, see 1�4�1...
  • Page 4 ENGLISH TYPE OF ERROR CODE ERROR DESCRIPTION AND PROBLEM STATEMENT SOLUTION ERROR EHA (exhaust air from the unit to the outside) temperature sensor has been measuring the same Check and/or replace the temperature 6�1�4 error temperature for a long time; check and/or replace the sensor, see page 12 sensor�...
  • Page 5 ENGLISH TYPE OF ERROR CODE ERROR DESCRIPTION AND PROBLEM STATEMENT SOLUTION ERROR SUP (supply air from the unit to the house) temperature Check and/or replace the temperature 30�1�4 error sensor has been measuring the same temperature for a sensor, see page 12 long time;...
  • Page 6 Comfort (Plus) or installation manual DB the connection� Energy Premium See installation manual DB Energy A Duco Pre-Heater is connected to the DucoBox � Go to 44�6�2 error Comfort (Plus) or installation manual DB settings to configure it� Energy Premium...
  • Page 7 ENGLISH 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 FAN 1 Power Connector DESCRIPTION COLOUR Yellow/Green Blue Brown TEMP FAN 2 M0 M1 P1/P2 F2 * Not present with the D325�...
  • Page 8 ENGLISH Of the DucoBox Energy Premium FAN 2 FAN 1 Power Connector DESCRIPTION COLOUR Yellow/Green TEMP Blue Brown P1/P2 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
  • Page 9 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"� L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
  • Page 10 ENGLISH Electrical diagram of DucoBox Energy Comfort (Plus) FAN 1 FAN 2 FAN 1 FAN 2 With the DucoBox Energy Comfort D325, the shape of the fan differs� Power Connector DESCRIPTION COLOUR FUNCTION Yellow/Green Grounding Blue Neutral conductor/ 230VAC Brown...
  • Page 11 ENGLISH Electrical diagram of DucoBox Energy Premium FAN 2 FAN 1 FAN 1 FAN 2 Power Connector DESCRIPTION COLOUR FUNCTION Yellow/Green Grounding Blue Neutral conductor/ 230VAC Black Phase wire / 230VAC Control connector DESCRIPTION COLOUR FUNCTION Blue or brown Ground...
  • Page 12 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 Replace the temperature sensor�...
  • Page 13 ENGLISH Electrical diagram of DucoBox Energy Comfort (Plus) TEMP M0 M1 P1/P2 F2 TEMP. (°C) RESISTANCE (Ohm) 55218 42268 32624 25381 19897 15711 12493 10000 8056 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
  • Page 14 ENGLISH Electrical diagram of DucoBox Energy Premium TEMP P1/P2 TEMP. (°C) RESISTANCE (Ohm) 55218 42268 32624 25381 19897 15711 12493 10000 8056 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
  • Page 15 • 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 Check the connection�...
  • Page 16 ENGLISH Electrical diagram of DucoBox Energy Comfort (Plus) TEMP M0 M1 P1/P2 F2 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
  • Page 17 ENGLISH Electrical diagram of DucoBox Energy Premium TEMP TEMP P1/P2 P1/P2 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
  • Page 18 Error codes 37�17�1 to 37�17�3; error codes 40�17�1 to 40�17�3 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�...
  • Page 19 Replace the room sensor� See QR code below Is there 230V mains voltage on the RF component? Provide correct connection to the mains� Check the signal strength with the Duco Network Add an extra repeater (an RF component) to the tool� See info sheet RF communication�...
  • Page 20 ENGLISH Wiring diagram DucoBox Energy Comfort (Plus) Duco Wired 24 VDC POWER 230 VAC SUPPLY Duco Reference* 24 VDC POWER SUPPLY 230 VAC 0,75 mm² 24 VDC A B GND 230 VAC RF obstacle-free zone (at least 30 cm) User controller User controller Max.
  • Page 21 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.
  • Page 22 ENGLISH Electrical diagram of DucoBox Energy Comfort (Plus) Power Connector DESCRIPTION COLOUR Yellow/Green Blue Brown TEMP TEMP M0 M1 M0 M1 P1/P2 F2 P1/P2 F2 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
  • Page 23 ENGLISH Electrical diagram of DucoBox Energy Premium Power Connector DESCRIPTION COLOUR Yellow/Green Blue Brown TEMP P1/P2 L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)
  • Page 24 ENGLISH L2004552 Document last modified on 06.05.2024 (revision B) L2004552 Service instructions error codes mechanical ventilation systems (Revision B | 06.05.2024)