How much does it cost to fix Baxi error code Ignition Lockout?

Typical repair cost for the Baxi Ignition Lockout fault is £90-280 including labour.

Ignition Lockout High

Baxi Ignition Lockout Fault Code

Q: What does the Baxi Ignition Lockout fault code mean?

Your boiler is failing to light the gas flame despite several attempts, meaning you will not have any heating or hot water until the system is reset.

Also written as IGNITIONLOCKOUT — same fault.

The Baxi Ignition Lockout fault code means: your boiler is failing to light the gas flame despite several attempts, meaning you will not have any heating or hot water until the system is reset.. It appears on 7 Baxi models in our database.

Technical description: LED 1: On, LED 2: On, LED 3: Off, LED 4: Off (Go to Ignition Lockout section of the fault finding instructions)

Typical repair cost £90-280 (including labour)

DIY fix possible

Check if other gas appliances in your home, like a cooker, are still working.Check that your gas pre-payment meter (if applicable) has enough credit.Rotate the selector switch to the reset position (marked 'R') for at least five seconds and then release.

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Baxi models that show the Ignition Lockout fault code

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

Source

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

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