Anti-freeze 180 — Anti-freeze protection active

What does Anti-freeze 180 mean?

This message appears when the outdoor temperature is below +3 °C and heating is permitted, or when the compressor is blocked by an alarm and additional heat is not permitted. It can also indicate a missing outdoor temperature sensor.

• Outdoor temperature is below +3 °C
• Compressor is blocked by an alarm
• Outdoor temperature sensor (BT1) is missing or faulty

Click steps to track your progress.

1. 1

   Check the outdoor temperature.

2. 2

   Review any active alarms that may be blocking the compressor.

3. 3

   Ensure the outdoor temperature sensor (BT1) is connected and functioning correctly.

4. 4

   Contact a service technician if the sensor is faulty.