153 High

Boiler Fault Code 153

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 153 appears across 1 boiler brand and 26 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has been manually reset too many times and has temporarily locked itself to prevent further issues. (As reported on Baxi EcoBlue)

Pick your boiler brand for the 153 fix

Source

Information for the 153 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