CHAPTER 2 TROUBLESHOOTING
– 174 – NWA-008847-001 Rev.3.0
a6ch2001.fm
Remedial Action on Each Lamp Status
Continued on next page
CARD NAME
LAMP
STATUS
FAULT
CONTENT
REMEDIAL ACTION
PN-AP00-B
(AP00/DBM)/
PN-AP00-D
(AP00)
RUN lamp is not
flashing
Abnormal opera-
tion of AP00/
DBM card
Confirm the programming data:
CM05.
Check to see if the SENSE switch is
set as per the AP Number (04-15,
20-31) assigned by CM05.
Reset the MB switch.
(Down Up Down)
Check the setting of SW1.
SW1-1: ON
SW1-2: ON
SW1-3: ON
If the fault cannot be cleared,
replace the card.
PN-BRTA
(BRT)
RUN lamp is not
flashing
Abnormal opera-
tion of BRT card
Confirm the programming data:
CM05, CM07 Y=02.
Check to see if the SENS switch is
set as per the AP Number (04-15)
assigned by CM05.
Reset the MB switch.
(Down Up Down)
If the fault cannot be cleared,
replace the card.
ALM lamp is on Transmission line
fault
Confirm circuit line status.
Confirm PSTN line status.
1
2
3
4
5
1
2
3
4
1
2
JULY/01/2006
FAULT DIAGNOSIS AND TROUBLESHOOTING
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