BoilerFaultCodesAriston 1 - IGNITION FAILURE Fault Code
Also written as 1IGNITIONFAILURE — same fault.
The Ariston 1 - IGNITION FAILURE fault code means: your boiler is trying to start but cannot get the flame to stay lit, so it has safely shut itself down to avoid wasting fuel.. It appears on 2 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.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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A cover plan would handle faults like 1 - IGNITION FAILURE: no call-out fees, no surprise bills.
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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 7 July 2026