1075 High
Boiler Fault Code 1075
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 1075 appears across 1 boiler brand and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has stopped working because it thinks the internal heat sensor is damaged or has an electrical fault, preventing it from monitoring temperature safely. (As reported on Worcester Bosch Greenstar 8000 Life/Style)
Pick your boiler brand for the 1075 fix
Source
Information for the 1075 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