How much does it cost to fix boiler error code 1 - IGNITION FAILURE?

Typical repair cost for the boiler 1 - IGNITION FAILURE fault is £120-250 including labour.

1 - IGNITION FAILURE High

Boiler Fault Code 1 - IGNITION FAILURE

Also written as 1IGNITIONFAILURE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 1 - IGNITION FAILURE 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 light the flame properly, so it has purposefully shut down to prevent gas from building up in the unit. (As reported on Ariston Genus 24 MFFI)

Pick your boiler brand for the 1 - IGNITION FAILURE fix

Ariston 1 - IGNITION FAILURE 3 models

Source

Information for the 1 - IGNITION FAILURE 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