BoilerFaultCodes CH 80 Low
Boiler Fault Code CH 80
Also written as CH80 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code CH 80 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 reached the required temperature and is temporarily pausing the burner while the pump continues to circulate heat around your radiators. (As reported on Ideal Instinct2 24)
Pick your boiler brand for the CH 80 fix
Source
Information for the CH 80 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