Low
Green neon on Potterton Ultra 2 50 DV

The green light you see simply indicates that your boiler is working correctly and the main burner is currently lit.

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

Lights whenever the main burner is alight.

Engineer required

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

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