Low
1 green flash on Baxi Suprima 40

Your boiler has reached its set temperature and is temporarily resting; everything is working exactly as it should.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Boiler temperature reached. No action required.

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

No action is needed as this is normal operation.If your radiators are cold, check that your room thermostat is turned up.Wait for the boiler to restart automatically when the temperature drops.

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Avoid the next call-out bill

A cover plan would handle faults like 1 green flash: no call-out fees, no surprise bills.

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