How much does it cost to fix boiler error code Does pilot light? (NO)?

Typical repair cost for the boiler Does pilot light? (NO) fault is £150-250 including labour.

Does pilot light? (NO) High

Boiler Fault Code Does pilot light? (NO)

Also written as DOESPILOTLIGHTNO — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Does pilot light? (NO) 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 is failing to ignite because the small flame that starts the main burner is not lighting, meaning you currently have no heating or hot water. (As reported on Saunier Duval Xeon 30ff)

Pick your boiler brand for the Does pilot light? (NO) fix

Saunier Duval Does pilot light? (NO) 2 models

Source

Information for the Does pilot light? (NO) 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