1827 High

Boiler Fault Code 1827

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 1827 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 detected an internal electrical switching fault which is preventing it from safely starting up. (As reported on Warmflow 70/90 Combi)

Pick your boiler brand for the 1827 fix

Source

Information for the 1827 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