How much does it cost to fix Chaffoteaux error code Pilot will not light (2)?

Typical repair cost for the Chaffoteaux Pilot will not light (2) fault is £90-180 including labour.

Pilot will not light (2) High

Chaffoteaux Pilot will not light (2) Fault Code

Q: What does the Chaffoteaux Pilot will not light (2) fault code mean?

Your boiler is struggling to start because there is still some air trapped in the gas pipes, preventing the pilot light from igniting.

Also written as PILOTWILLNOTLIGHT2 — same fault.

The Chaffoteaux Pilot will not light (2) fault code means: your boiler is struggling to start because there is still some air trapped in the gas pipes, preventing the pilot light from igniting.. It appears on 2 Chaffoteaux models in our database.

Technical description: Gas supply pipes not purged of air.

Typical repair cost £90-180 (including labour)

Engineer required

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

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Chaffoteaux models that show the Pilot will not light (2) fault code

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

Source

Chaffoteaux Pilot will not light (2) fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.

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