Instruction manual

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Error Logs, Access Logs, and System Inventory
Page 2-18
Error Logs
Table 2-2 Continued
Continued on next page
Error
Codes Description Action
780A DPR TEST NOT COMPLETED:
Reported during cold start.
If problem persists, troubleshoot the
module.
780C RAM TEST FAILURE:
Memory failed the RAM test. Turns
on the processor LED.
If problem persists, replace the
processor.
780D UPPER ROM FAILURE:
Memory failed the ROM test. Turns
on the processor LED.
If problem persists, replace the
processor.
780E LOWER ROM FAILURE:
Memory failed the ROM test. Turns
on the processor LED.
If problem persists, replace the
processor.
8401 MISCELLANEOUS ERROR:
Currently not reported.
No action required.
8402 WINK TOO SHORT:
Outbound dialing problems on tie
trunks. For a tie trunk with delay dial
or wink start, the wink from the far
end of the network interface is less
than the minimum 100 ms. The tie
trunk remains waiting for a valid
signal.
Troubleshoot the far end of the network
interface to see if it is working and
translated properly. Troubleshoot for
faulty cable. Replace the module.
8403 NO EXTERNAL RELEASE:
Communication problems between
the module and central office. Far
end has not disconnected within four
minutes.
If this error occurs twice
consecutively, the trunk is busied-out
automatically, whether or not
Automatic Maintenance-Busy is
enabled.
Troubleshoot the far end of the network
interface to see if it is working and
translated properly. Troubleshoot for
faulty cable.