Potterton Pilot extinguished Fault Code
Also written as PILOTEXTINGUISHED — same fault.
The Potterton Pilot extinguished fault code means: your boiler's small starter flame has gone out, meaning it cannot ignite the main burner to provide you with heating or hot water.. It appears on 2 Potterton models in our database.
Technical description: Loss of gas supply, flame failure, or over-heating of the central heating water (permanent pilot 100 model).
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Potterton models that show the Pilot extinguished fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton Pilot extinguished fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026