Medium
3 green flashes on Baxi Profile

Your boiler has temporarily lost its flame and is currently trying to restart itself automatically.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Temporary flame loss. Boiler will self reset, if fault continues you will see 3 red flashes.

From this model's manual
This code was read directly from the manufacturer service manual for this model.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that your external gas supply is turned on (e.g. at the meter)Wait for the boiler to attempt an automatic resetMonitor the display to see if the code clears or turns to a solid red fault

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Avoid the next call-out bill

A cover plan would handle faults like 3 green flashes: no call-out fees, no surprise bills.

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