BoilerFaultCodes.com
3 Low Information

Your boiler is receiving electrical power and is currently in standby mode or ready to operate.

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: Power On

What causes this fault?

This is not actually a fault, but a status indicator showing that the boiler is successfully receiving electricity from the mains supply. It confirms that the internal control board is powered up and the unit is simply waiting for a command from your thermostat or a request for hot water. If your heating isn't coming on while this is displayed, the issue likely lies with your external controls rather than the boiler itself.

Typical repair cost £0 (including labour)

DIY fix possible

Check that your room thermostat or programmer is calling for heatEnsure the selector switch is turned to the correct position for heating or hot waterNo action is required if the boiler is working correctly, as this is a status indicator rather than a fault

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