E125 High

Boiler Fault Code E125

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E125 appears across 3 boiler brands and 27 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected that the internal mechanism responsible for circulating water around your radiators and taps is not operating correctly. (As reported on Baxi Platinum Combi HE)

Pick your boiler brand for the E125 fix

Baxi E125 9 models Main E125 7 models Potterton E125 11 models

Source

Information for the E125 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