Emergency
POOR PILOT FLAME on Chaffoteaux Corvec 28 OF BF

Your boiler's small starter flame is too weak to safely ignite the main burner, causing the system to shut down to prevent gas build-up.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

i) Pilot injector dirty/damaged ii) Wrong injector iii) Pilot head blocked iv) Faulty pilot tube v) Main filter restricted

From this model's manual
Verified against the Chaffoteaux Corvec 28 Of Bf installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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