NEC NEAX 2000 IPS Maintenance Manual page 183

CARD NAME
PZ-PW122 ON lamp is not on Operation power is
(DC/DC PWR)
PZ-PW135 MJ lamp is on
(DC/DC PWR)
MN lamp is on
ON lamp is not on Operation power is
Remedial Action on Each Lamp Status
LAMP
STATUS CONTENT
not being supplied
Major trouble
occurs or resident
system program is
not properly loaded
Minor trouble
occurs or resident
system program is
successfully loaded,
or a station line is
locked out
not being supplied
CHAPTER 2 TROUBLESHOOTING
FAULT DIAGNOSIS AND TROUBLESHOOTING
FAULT
Confirm the cable connection of
1
PZ-PW121 and PZ-PW122.
Turn the PZ-PW122 SW switch
2
on.
Confirm the lamp indication of
3
PZ-PW121 all lamps.
If the fault cannot be cleared,
4
replace the PZ-PW122 card.
See "FAULT DIAGNOSIS AND
TROUBLESHOOTING"
Page 138
See "FAULT DIAGNOSIS AND
TROUBLESHOOTING"
Page 138
Confirm the cable connection of
1
PZ-PW135.
Confirm the lamp indication of
2
PZ-PW135 all lamps.
If the PZ-PW135 lamp has abnor-
3
mal condition, replace the PZ-
PW135 card.
– 173 –
REMEDIAL ACTION
Continued on next page
NWA-008847-001 Rev.3.0
a6ch2001.fm