Low
Green 'Flame' led on Potterton Kingfisher MF RSL/CFL

Your boiler is operating exactly as it should and is currently burning gas to heat your water or home.

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

Indicates the pilot flame is established and the main burner is ignited.

Engineer required

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

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