BoilerFaultCodes E85753 High
Boiler Fault Code E85753
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E85753 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's internal valve is unable to switch between heating your radiators and providing hot water, likely because the motor controlling it has failed. (As reported on Potterton Powermax HE)
Pick your boiler brand for the E85753 fix
Source
Information for the E85753 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