E9285 High

Boiler Fault Code E9285

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E9285 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 has shut down because it thinks the water returning to the unit is dangerously hot, which usually means water isn't circulating properly through your radiators. (As reported on Worcester Bosch GB162)

Pick your boiler brand for the E9285 fix

Source

Information for the E9285 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