BoilerFaultCodes.com
L1 Low Information

Your boiler is currently waiting for a demand for heating or hot water and is not experiencing a fault.

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.

Technical description: Led OK (green)

What causes this fault?

This status occurs because the boiler is in its normal standby mode, having successfully reached the required temperature or completed its previous task. It is simply waiting for your thermostat to click on or for a hot water tap to be opened before it starts firing again. There is no physical fault or blockage preventing the system from working.

This code is more visible during summer months when your central heating is turned off and the boiler spends most of the day in standby mode.

Typical repair cost £0 (including labour)

DIY fix possible

Check that your room thermostat is turned up higher than the current room temperatureEnsure your programmer or heating timer is switched to an 'On' periodVerify that the boiler selector switch is set to the correct mode for heating or hot water

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