BoilerFaultCodes A8362 High
Boiler Fault Code A8362
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code A8362 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is struggling to operate because the electrical power reaching it is unstable, insufficient, or the control module has failed to recognize the incoming voltage. (As reported on Worcester Bosch CDi Classic)
Pick your boiler brand for the A8362 fix
Source
Information for the A8362 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