High
Red reset button illuminated on Baxi Main Combi 28

Your boiler has failed to start up or keep its flame lit and has safely switched itself off to prevent gas build-up.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Ignition fault. Press to reset. If still illuminated, go to section K.

Engineer required

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

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