HrE High
Boiler Fault Code HrE
Also written as HRE — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code HrE appears across 1 boiler brand and 10 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is experiencing a critical control system failure that causes it to shut down and attempt to restart itself repeatedly. (As reported on Worcester Bosch GB162)
Pick your boiler brand for the HrE fix
Source
Information for the HrE 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