Viessmann · Vitodens 200-W Boilers
The system is operating normally, but there's a communication error with the gateway module. This can affect how the boiler communicates with other parts of the system.
Click steps to track your progress.
Check the connecting cable for the gateway module to ensure it is secure.
Verify the gateway module has a proper power supply.
If the communication error persists, contact a qualified technician.