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

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

1 - IGNITION FAILURE High

Ariston 1 - IGNITION FAILURE Fault Code

Q: What does the Ariston 1 - IGNITION FAILURE fault code mean?

Your boiler is failing to light the flame properly, so it has purposefully shut down to prevent gas from building up in the unit.

Also written as 1IGNITIONFAILURE — same fault.

The Ariston 1 - IGNITION FAILURE fault code means: your boiler is failing to light the flame properly, so it has purposefully shut down to prevent gas from building up in the unit.. It appears on 3 Ariston models in our database.

Technical description: This control signals an ignition failure on the burner 7 seconds after a lighting failure. The L.E.D. “F” will illuminate to signal the shutdown status.

Typical repair cost £120-250 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ariston models that show the 1 - IGNITION FAILURE fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ariston 1 - IGNITION FAILURE fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026