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Power on indicator (green) on Vaillant Turbomax VUW 242/1

Your boiler is receiving power and is currently switched on, which is the normal state for the unit to be in.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Illuminates when the electricity supply to the boiler is on, the main on/off control is set to position (I) and the internal boiler fuses are o.k.

DIY fix possible

No action is required as this simply confirms the boiler has electricity.If you have no heating or hot water, check your programmer or thermostat settings instead.

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