BoilerFaultCodes Overheat LED High
Boiler Fault Code Overheat LED
Also written as OVERHEATLED — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Overheat LED 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 that it is running too hot and has automatically shut itself down to prevent any damage or safety hazards. (As reported on Halstead Best 80)
Pick your boiler brand for the Overheat LED fix
Source
Information for the Overheat LED 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