Emergency
PILOT FLAME DOES NOT LIGHT on Chaffoteaux Corvec 28 OF BF

Your boiler is failing to ignite because it is not receiving a steady supply of gas to create the pilot flame needed to start the system.

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) Gas service cock closed ii) Air in pipe iii) Pilot injector blocked iv) Main filter blocked

From this model's manual
Verified against the Chaffoteaux Boiler Corvec Sh12 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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