Alarm Pool board communication failure — Communication loss with pool board

What does 5541 mean?

This alarm occurs when there is no communication between the installer module and the pool board for 90 seconds, indicating a connection or cable issue.

• Poor connection in the CANbus connections on the installer module or pool module.
• Break in the CANbus cable between the modules.
• Improper type of CANbus cable used.
• CANbus cable installed too close to the heat pump's supply voltage cables.

Click steps to track your progress.

1. 1

   Check and ensure secure CANbus connections on both the installer module and the pool module.

2. 2

   Inspect the CANbus cable for any breaks or damage; replace if necessary.

3. 3

   Verify that the correct type of CANbus cable is used as specified in the installer guide.

4. 4

   Separate the CANbus and power cables by at least 100 mm to prevent interference.