Burner motor fails to operate High

Worcester Bosch Burner motor fails to operate Fault Code

Also written as BURNERMOTORFAILSTOOPERATE — same fault.

The Worcester Bosch Burner motor fails to operate fault code means: your boiler's fan motor is not starting, which prevents the unit from firing up to provide your home with heating or hot water.. It appears on 3 Worcester Bosch 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: Faulty motor or electrical supply to motor; Control box fault
Typical repair cost £250-450 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Worcester Bosch models that show the Burner motor fails to operate fault code

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

Source

Worcester Bosch Burner motor fails to operate 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 7 July 2026