Low
Green LED ON, Red LED OFF on Potterton Prima 30B

Your boiler is operating normally and has successfully detected a flame, meaning everything is working as expected.

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

FLAME Detected

Engineer required

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

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