Low
Permanent Live 'On' on Potterton Ultra 2 50 DV

Your boiler is currently reporting that it is receiving a constant electrical signal to start heating, which is a normal indicator light used by engineers to check that the internal wiring is receiving power.

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

Indicator lamp on the ignition board to aid electrical commissioning. Sequence when there is a call for heat.

DIY fix possible

Check that your room thermostat or programmer is set to 'On' or 'Auto'Verify that the temperature setting on the thermostat is higher than the current room temperatureNo action is required if the boiler is operating normally, as this is a status indicator

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