ProSoft Technology MVI46-103M - Manual (Page 71)

Diagnostics and Troubleshooting MVI46-103M ♦ SLC Platform
IEC 60870-5-103 Master Communication Module
ProSoft Technology, Inc. Page 71 of 187
September 12, 2006
Problem Description Steps to take
BP ACT LED remains off or
blinks slowly This indicates that backplane transfer operations are failing. Use
the Configuration/Debug port facility to check this. To establish
backplane communications, verify the following items:
The backplane driver is loaded in the module.
The ladder logic handles all read and write block
situations.
The module is configured in the processor.
OK LED remains red The program has halted or a critical error has occurred. Connect
to the Configuration/Debug port to see if the module is running. If
the program has halted, remove the card from the rack, then re-
insert.