Boiler Fault Code Flashing lamp

Also written as FLASHINGLAMP — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026

Fault code Flashing lamp 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 detected that the water inside the unit is getting too hot, so it has safely shut itself down to prevent damage. (As reported on Ideal Mini)