Fault Diagnosis And Troubleshooting; Display On Mat/Cat; Fault Message - NEC NEAX 2000 IPS Maintenance Manual

FAULT DIAGNOSIS AND TROUBLESHOOTING

Display on MAT/CAT

When the MJ/MN alarm has been indicated, you can diagnose the contents of the fault by the Fault Mes-
sage and the Station Line Status Display features which are displayed on the MAT or the CAT, and restore
the fault.

Fault Message

Item (1) shows the display format for the Fault Message feature, and item (2) shows the fault diagnosis
and troubleshooting method. For details of the Fault Message feature, see
Page 10
TER 1.
(1) Display Format
1st Screen
1: 01 MN
2nd Screen
2: 02/10/24
3rd Screen
3: X X X X
4th Screen
4: X X X X
MP 00
20:31
X X X X
X X X X
CHAPTER 2 TROUBLESHOOTING

FAULT DIAGNOSIS AND TROUBLESHOOTING

Fault Occurrence Kind No./Fault Restoration Kind No.
Alarm Kind (MJ/MN/– –)
CPU Kind and No. that detected the fault
MP 00 : MP
FP 00-63 : FP No. 0-63
AP 04-15, 20-31 : AP No. 4-15, 20-31
Date and Time of Fault Occurrence and Restoration
Fault Information/
Fault Restoration Information
(For details, see "Remedial Action on Each Fault Kind"
"Fault Restoration Information".)
Fault Information/
Fault Restoration Information
(For details, see "Remedial Action on Each Fault Kind"
"Fault Restoration Information".)
– 138 –
"FAULT MESSAGE"
and
and
NWA-008847-001 Rev.3.0
of CHAP-
a6ch2001.fm