NIM communication fault

What does NIM_COMM_FAULT mean?

This error indicates a communication failure with the Network Interface Module (NIM). The NIM is responsible for network connectivity.

• Faulty NIM
• Wiring issue to the NIM
• Network connection problem
• Power supply issue to the NIM

Click steps to track your progress.

1. 1

   Check the wiring connections to and from the NIM.

2. 2

   Ensure the NIM is receiving adequate power.

3. 3

   Verify the network cable connection.

4. 4

   Contact an HVAC technician or support for NIM issues.