Low
1 green flash on Baxi 100/2 HE Plus

Your boiler has reached the correct temperature and is simply taking a normal break until more heat is needed.

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

This fault may be fixable without an engineer. Check your manual first.

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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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