How much does it cost to fix Worcester Bosch error code Burner Lock-out?

Typical repair cost for the Worcester Bosch Burner Lock-out fault is £100-250 including labour.

Burner Lock-out High

Worcester Bosch Burner Lock-out Fault Code

Q: What does the Worcester Bosch Burner Lock-out fault code mean?

Your boiler has stopped working for safety reasons and needs a manual reset to try and restart the flame.

Also written as BURNERLOCKOUT — same fault.

The Worcester Bosch Burner Lock-out fault code means: your boiler has stopped working for safety reasons and needs a manual reset to try and restart the flame.. It appears on 2 Worcester Bosch models in our database.

Technical description: Lockout light is on or flashing. To reset, turn the boiler temperature control knob fully anticlockwise to the 'O' position and back on again.

Typical repair cost £100-250 (including labour)

DIY fix possible

Locate the temperature control knob on the front panel.Turn the knob fully anticlockwise to the 'O' (Off/Reset) position.Wait 5 seconds, then turn the knob back to your desired temperature setting.

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Worcester Bosch models that show the Burner Lock-out fault code

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

Source

Worcester Bosch Burner Lock-out fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

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