Error code

Vallox fan All models code lox51

For your safety

This fault is rated high and involves an area that affects personal safety. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage

Do not use the appliance and call an authorised service. If there is a risk to life, move to a safe place and see the emergency numbers.

The emergency numbers here are for Turkey. If you are outside Turkey, call your local emergency number.

All emergency numbers and province details

No approved translation for this record yet; showing the original text.

Meaning

1 2 3 4 5 AHS %RH CO2 C 6 B 45 3 2 1 BN BU BN BU BN BU BN BU 2 3 1 230V 50Hz T1 T2 130°C 90°C BU YEGN BN YE GN WT BU YEGN BN YE GN WH R1 MB A External Modbus A signal T Supply air fan _ ho (WT) MB B External Modbus B signal P Extract air fan _ +24V +24V voltage (DC) M Damper motor M (YE) ho (WT) GND Digital and analog ground potential AHS Post-heating co RS A Local hardware Modbus A signal CO Internal carbon M (YE) _ 2 RS B Local hardware Modbus B signal %RH Internal humidity _ NTC External temperature sensor connector Post-heating res R1 90°C and 130°C D/I1 Digital input 1 protection e HR cell D/I2 Digital input 2 11V1 11.1 V operating voltage

Member details

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Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.