Low
Permanent Live on Potterton Ultra 2 50 DV

Your boiler is currently in electrical setup mode, which simply means it is receiving power to verify that the wiring connection is active.

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' - aids electrical commissioning

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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