B7 — Burner control error

What does B7 mean?

The boiler's burner control unit has detected an error. This unit is responsible for managing the ignition and operation of the burner.

• Faulty burner control unit.
• Wiring issues to the burner control unit.
• Problem with burner components.

Click steps to track your progress.

1. 1

   Reset the boiler using the reset button on the control panel.

2. 2

   Check for any visible loose connections or damage to wiring near the burner control unit.

3. 3

   If the error reoccurs, contact a Gas Safe registered engineer for a professional check and repair.