How to troubleshoot CANopen comms loss trip in Grundfos MP 1 / Redi-Flo2 Water Pump?
- QqjohnsonSep 4, 2025
If your Grundfos Water Pump indicates a CANopen comms loss trip, check the incoming CAN connection cable. Also, verify that cyclic communications take place within the timeout limit set in P-36 Index 3*.