Burner Lockout A High

Firebird Burner Lockout A Fault Code

Also written as BURNERLOCKOUTA — same fault.

The Firebird Burner Lockout A fault code means: your boiler has stopped working because it cannot get enough oil to keep the flame going.. It appears on 2 Firebird models in our database.

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: An interruption in the fuel supply (eg. empty oil supply tank).
Typical repair cost £90-180 (including labour)

DIY fix possible

Check the oil level in your storage tank to ensure you haven't run out.Inspect the oil supply line valve to make sure it is fully open.Press the illuminated reset button on the burner once; do not press it more than twice.

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Firebird models that show the Burner Lockout A fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Firebird Burner Lockout A fault code information on this page is sourced and cross-checked against the official Firebird service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026