Running lamp flashing Low

Boiler Fault Code Running lamp flashing

Also written as RUNNINGLAMPFLASHING — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Running lamp flashing appears across 2 boiler brands and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is simply taking a short, programmed break before starting its next cycle to protect its internal components. (As reported on Warmworld FFC 30/60)

Pick your boiler brand for the Running lamp flashing fix

Malvern Running lamp flashing 2 models Warmworld Running lamp flashing 1 model

Source

Information for the Running lamp flashing 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 31 August 2026