CHAPTER 2 TROUBLESHOOTING
– 169 – NWA-008847-001 Rev.3.0
a6ch2001.fm
Remedial Action on Each Lamp Status
CARD NAME
LAMP
STATUS
FAULT
CONTENT
REMEDIAL ACTION
PN-CP27-A/
PN-CP27-B
(MP)
RUN lamp is not
flashing at 120
IPM
Abnormal opera-
tion of MP card
Check the setting of SW2.
SW2-1: ON (In the case of A-law)
: OFF (In the case of µ-law)
SW2-4: OFF
Check to see if the SW3 switch is
set to “0” (On Line).
Reset the MB switch.
(Down Up Down)
If the fault cannot be cleared,
replace the card.
PN-CP31-A/
PN-CP31-B/
PN-CP31-C/
PN-CP31-D
(MP)
RUN lamp is not
flashing at 120
IPM
Abnormal opera-
tion of MP card
Check the setting of SW2.
SW2-1: ON (In the case of A-law)
: OFF (In the case of µ-law)
SW2-4: ON
Check to see if the SW3 switch is
set to “0” (On Line).
If the fault cannot be cleared,
replace the card.
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JULY/01/2006
FAULT DIAGNOSIS AND TROUBLESHOOTING