92 Low

Boiler Fault Code 92

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 92 appears across 3 boiler brands and 20 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler’s solar heating panel sensor has a wiring fault, meaning the system cannot correctly read the temperature of the water heated by the sun. (As reported on Viessmann Vitodens 333)

Pick your boiler brand for the 92 fix

Alpha 92 10 models Viessmann 92 7 models Vokera 92 3 models

Source

Information for the 92 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 27 April 2026