BoilerFaultCodes Incorrect gas rate Emergency
Boiler Fault Code Incorrect gas rate
Also written as INCORRECTGASRATE — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Incorrect gas rate 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 is struggling to receive the correct amount of gas it needs to run safely and efficiently. (As reported on Ferroli Sigma 40 FF)
Pick your boiler brand for the Incorrect gas rate fix
Source
Information for the Incorrect gas rate 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