How much does it cost to fix boiler error code MAIN BURNER DOES NOT LIGHT?

Typical repair cost for the boiler MAIN BURNER DOES NOT LIGHT fault is £150-350 including labour.

MAIN BURNER DOES NOT LIGHT High

Boiler Fault Code MAIN BURNER DOES NOT LIGHT

Also written as MAINBURNERDOESNOTLIGHT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code MAIN BURNER DOES NOT LIGHT appears across 1 boiler brand 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 failing to ignite the main flame, which means you currently have no heating or hot water because the system cannot produce heat safely. (As reported on Chaffoteaux Britony II 50FF)

Pick your boiler brand for the MAIN BURNER DOES NOT LIGHT fix

Chaffoteaux MAIN BURNER DOES NOT LIGHT 3 models

Source

Information for the MAIN BURNER DOES NOT LIGHT 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