Error 85 - Radio communication error

What does 85 mean?

The user interface displays '85: Radio communication error', indicating a problem with wireless communication between system components. This error typically triggers an automatic reset.

• Interference from other wireless devices.
• Wireless device is out of range for radio signal.
• Faulty wireless module within one of the components.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the heat pump for 30 seconds, then turn it back on.

2. 2

   Check if the wireless devices are within proper range and free from physical obstructions.

3. 3

   Allow time for the automatic reset to occur (default 6 hours) or use the manual reset function (Line 6711) if available.

4. 4

   Contact a qualified service technician to inspect the radio communication module or environment.