BoilerFaultCodes Safety overheat device tripped High
Boiler Fault Code Safety overheat device tripped
Also written as SAFETYOVERHEATDEVICETRIPPED — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Safety overheat device tripped 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 sensed that the water inside has become dangerously hot and has shut itself down as a safety precaution. (As reported on Worcester Bosch Greenstar i)
Pick your boiler brand for the Safety overheat device tripped fix
Source
Information for the Safety overheat device tripped 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