BoilerFaultCodes F.142 High
Boiler Fault Code F.142
Also written as F142 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F.142 appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's electronic brain is unable to talk to the fan, which means the system cannot safely vent gases, so it has shut down to protect your home. (As reported on Viessmann Vitodens 100-W WB1A)
Pick your boiler brand for the F.142 fix
Source
Information for the F.142 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026