Eaton Network-M3 - EMP communication status shows Lost; EMP detection fails at discovery stage

EMP communication status shows "Lost"
Troubleshooting – 289
8.3.3 Action
In the server system BIOS, change the setting for Automatic Power ON to "Enabled".
8.4 EMP communication status shows "Lost"
In the Network Module,inContextual help>>>Environment>>>Commissioning/Status, EMPs are missing in the Sensor
commissioning table.
8.4.1 Symptom #1
The connection status of the sensor is "Lost"
8.4.1.1 Possible causes
The EMPs are not powered by the Network module.
8.4.1.2 Action #1-1
Launch again the discovery, if it is still not ok, go to Action #1-2.
8.4.1.3 Action #1-2
1- Check the EMPs connection and cables.
Refer to the sectionsServicing the EMP>>>Installing the EMP>>>Cabling the first EMP to the deviceandServicing the
EMP>>>Installing the EMP>>>Daisy chaining 3 EMPs.
2- Disconnect and reconnect the USB to RS485 cable.
3- Launch the discovery, if it is still not ok, go to Action #1-3.
8.4.1.4 Action #1-3
1- Reboot the Network module.
2- Launch the discovery.
8.5 EMP detection fails at discovery stage
In the Network Module,inContextual help>>>Environment>>>Commissioning/Status, EMPs are missing in the Sensor
commissioning table.
8.5.1 Symptom #1
The EMPs green RJ45 LED (FROM DEVICE) is not ON.
8.5.1.1 Possible causes
The EMPs are not powered by the Network module.
8.5.1.2 Action #1-1
Launch again the discovery, if it is still not ok, go to Action #1-2.