BoilerFaultCodes Limit High
Boiler Fault Code Limit
Also written as LIMIT — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Limit 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 automatically shut down because it has detected that the water inside has become dangerously hot. (As reported on Firebird Envirogreen)
Pick your boiler brand for the Limit fix
Source
Information for the Limit 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