High
Lock-out state on Biasi Riva Compact HE M96a

Your boiler has failed to light the flame after several attempts and has shut itself down for safety.

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

The Electronic control/ignition p.c.b. carries out three complete ignition cycles and then, after about 3 minutes, goes to lock-out state if burner fails to ignite or gas supply is interrupted.

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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