F.160 — Burner in fault state due to CAN bus communication error

What does F.160 mean?

The burner is in a fault state due to a communication error on the CAN bus. This could involve either internal or external communication components.

• Faulty internal CAN bus subscriber connections (if 'Connection error' is displayed)
• Faulty external CAN bus subscriber connections (if only F.160 is displayed)
• Loose or corroded connecting cables

Click steps to track your progress.

1. 1

   If 'Connection error' is also displayed, check the internal CAN bus subscriber connections for firm seating.

2. 2

   If only F.160 is displayed, check the connections of external CAN bus subscribers.

3. 3

   Inspect all connecting cables for firm seating and any signs of corrosion. Reset the boiler afterwards.