Firmware Version 3/4.31.37
8.12 PCM COMMUNICATIONS
Use this function to determine if a PCM is communicating with the MultiLoad II.
1. From the Diagnostics Menu, select PCM Com.
2. The PCM COM Diagnostics screen displays:
3. A PCM that is not communicating will display ERR.
4. When communications are restored, the ERR message will change to OK.