How much does it cost to fix Alpha error code Pilot does not remain alight?

Typical repair cost for the Alpha Pilot does not remain alight fault is £120-250 including labour.

Pilot does not remain alight High

Alpha Pilot does not remain alight Fault Code

Q: What does the Alpha Pilot does not remain alight fault code mean?

Your boiler's small starter flame is failing to stay on, which prevents the main burner from igniting and stops your heating and hot water from working.

Also written as PILOTDOESNOTREMAINALIGHT — same fault.

The Alpha Pilot does not remain alight fault code means: your boiler's small starter flame is failing to stay on, which prevents the main burner from igniting and stops your heating and hot water from working.. It appears on 5 Alpha models in our database.

Technical description: Release the control and turn it off in the direction of the arrow. Wait at least 3 minutes before attempting to relight.

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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Alpha models that show the Pilot does not remain alight fault code

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

Source

Alpha Pilot does not remain alight fault code information on this page is sourced and cross-checked against the official Alpha service / installation manuals for each affected model.

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