BoilerFaultCodes sHr High
Boiler Fault Code sHr
Also written as SHR — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code sHr 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 electrical fault with its internal temperature sensors and has stopped running as a safety precaution. (As reported on Grant Vortex)
Pick your boiler brand for the sHr fix
Source
Information for the sHr 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