High
Lock-out on Firebird Super Q90

Your boiler has stopped working because the burner failed to light within the required time, and you will need to manually reset it to attempt a restart.

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.

What the manual says

Manufacturer manual

In case of no ignition the burner goes to lock out in 10 seconds

From this model's manual
Verified against the Firebird Super Q90 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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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