Grundfos · MAGNA3 Pump
This error means the pump is unable to communicate with its control system, a remote device, or other pumps in a multi-pump setup. This can prevent proper monitoring and control.
Click steps to track your progress.
Check all communication cables connected to the pump and ensure they are securely fastened.
Restart the pump by cycling its power off and then on again.
Verify the communication settings in the pump's menu or associated app match the system requirements.
If part of a multi-pump system, check the communication status of other pumps.