How much does it cost to fix boiler error code OVERHEAT panel LED lit?

Typical repair cost for the boiler OVERHEAT panel LED lit fault is £100-280 including labour.

OVERHEAT panel LED lit High

Boiler Fault Code OVERHEAT panel LED lit

Also written as OVERHEATPANELLEDLIT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code OVERHEAT panel LED lit 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 switched itself off because it has become too hot internally, likely due to a blockage or a pump issue stopping the water from moving. (As reported on Grant Vortex Blue)

Pick your boiler brand for the OVERHEAT panel LED lit fix

Grant OVERHEAT panel LED lit 1 model

Source

Information for the OVERHEAT panel LED lit 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 7 July 2026