The Vaillant F22 fault code typically presents itself when the printed circuit board deems that there is not sufficient pressure in the system to operate safely.
ecotec fault codes
Vaillant ecotec F27 fault code
The Vaillant F27 fault typically presents itself when the printed circuit board is failing or has failed completely.
Vaillant ecotec F28 fault code
The Vaillant F28 fault code means the appliance burner has failed to light or the printed circuit board has failed to detect the flame.
Vaillant ecotec F29 fault code
The Vaillant F29 fault code means the appliance burner has failed whilst running and re-ignition has been unsuccessful.
Vaillant ecotec F32 fault code
The Vaillant F32 fault code typically presents itself when the fan on the appliance has failed, or if the printed circuit board deems that this is the case.
Vaillant ecotec F61-F62 fault code(s)
This page contains information regarding the Vaillant F.61 and F.62 fault codes including the potential reasons this may cause your boiler to break, details about my Vaillant boiler repair service and what you may be able to do about this fault if you experience it.
Vaillant ecotec F73 fault code
The following page contains information relating to the Vaillant ecoTEC F.73 fault code, including what the F.73 fault code means, its potential causes, how this fault can be potentially fixed and if your boiler is worth repairing.
Vaillant ecotec F74 fault code
The following page contains information relating to the Vaillant ecoTEC F.74 fault code, including what the F.74 fault code means, its potential causes, how this fault can be potentially fixed and if your boiler is worth repairing.
Vaillant ecotec F75 fault code
The following page contains information relating to the Vaillant ecoTEC F.75 fault code, including what the F.75 fault code means, its potential causes, how this fault can be potentially fixed and if your boiler is worth repairing.
Vaillant ecotec F76 fault code
The following page contains information relating to the Vaillant ecoTEC F.76 fault code, including what the F.76 fault code means, its potential causes, how this fault can be potentially fixed and if your boiler is worth repairing.
Vaillant ecotec 937 PLUS F81-F91 fault code
The Vaillant F81 and F91 fault usually happen together and typically presents itself when you have an issue with the appliance domestic hot water pump