Low
1 green flash on Main Eco Elite

Your boiler has reached its set temperature and is temporarily pausing its operation as a normal part of its heating cycle.

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 necessary as this is normal behaviorWait for the water temperature to drop, and the boiler will restart automaticallyCheck that your room thermostat is set to the desired temperature

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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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