BoilerFaultCodes Boiler Temperature High
Boiler Fault Code Boiler Temperature
Also written as BOILERTEMPERATURE — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Boiler Temperature 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 detected an internal fault preventing it from heating up, likely due to a sensor measurement error or a overheating safety trigger. (As reported on Potterton Suprima HE)
Pick your boiler brand for the Boiler Temperature fix
Source
Information for the Boiler Temperature 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