Circulation pump stopped — Pump is not running

What does Circulation pump stopped mean?

If a circulation pump (GP1 or GP2) has stopped, it can lead to issues such as low room temperature. This may require manual intervention to restart.

• Circulation pump has stopped functioning.
• Air in the system preventing pump operation.

Click steps to track your progress.

1. 1

   Turn off the heat pump by setting the switch (SF1) to the off position.

2. 2

   Open the service cover and remove the cooling module cover.

3. 3

   Loosen the venting screw (QM5) slightly to allow air out.

4. 4

   Manually turn the pump motor using a screwdriver.

5. 5

   Screw the venting screw back in.

6. 6

   Restart the heat pump and check if the circulation pump is working.