975 Medium
Boiler Fault Code 975
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 975 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has temporarily stopped operating because it has detected a specific sequence of internal signals that don't match its safety checks. (As reported on Remeha Quinta 30)
Pick your boiler brand for the 975 fix
Source
Information for the 975 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