F.73 — Burner in a fault state (Internal communication error)

What does F.73 mean?

The burner is in a fault state due to an internal communication error. This can affect the appliance's ability to operate correctly by disrupting communication between components.

• Internal communication error
• BCU burner control unit faulty

Click steps to track your progress.

1. 1

   Reset the appliance.

2. 2

   If the fault recurs, contact a qualified technician.

3. 3

   Ensure the appliance has been reset correctly after the initial fault.