High
Flame failure: lock out on Remeha Gas 620-510

Your boiler has stopped working because it cannot detect a steady flame and has shut itself down as a safety precaution.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

In the event of a flame failure the boiler will lock out (on the gas pressure switch). Manual intervention is required to reset the boiler once the cause of the problem has been rectified.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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