How much does it cost to fix boiler error code Flashing digits?

Typical repair cost for the boiler Flashing digits fault is £120-250 including labour.

Flashing digits High

Boiler Fault Code Flashing digits

Also written as FLASHINGDIGITS — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code Flashing digits 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 is signalling that it has encountered an internal error and has stopped operating to prevent further damage. (As reported on Glow-worm EnergySaver Combi)

Pick your boiler brand for the Flashing digits fix

Glow-worm Flashing digits 1 model

Source

Information for the Flashing digits 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