BoilerFaultCodes E85 753 High
Boiler Fault Code E85 753
Also written as E85753 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E85 753 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 having difficulty directing the flow of hot water between your radiators and your taps because a motorized component has failed. (As reported on Potterton Promax 15 & 24)
Pick your boiler brand for the E85 753 fix
Source
Information for the E85 753 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