CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS
2
Maintenance Manual
ND-70926 (E), Issue 3.0
Page 107
PN-IPTB
(IPT)
RUN lamp is not
flashing
Abnormal operation
of IPT card
Check whether the MODE switch is set
to “0” or “1”.
(Standard setting: 0)
Confirm the programming data: CM05
Y=0, CM06.
Reset the system (Push the SW1 of
MP).
Check to see if the SENSE and SW1
switch is set as per the AP Number
(04-15, 20-31) assigned by CM05 Y=0.
If the fault cannot be cleared, replace
the card.
BUSY lamp is not
on, when even one
line is busy
Abnormal operation
of IPT card
Confirm the programming data: CM30.
Reset the MB switch.
(Down
→
Up
→
Down)
If the fault cannot be cleared, replace
the card.
SUBOPE0-3 lamp
is not on
Abnormal
connection between
IPT and VCT
Check to see if the cable between IPT
and VCT is correctly connected.
Reset the MB switch.
(Down
→
Up
→
Down)
If the fault cannot be cleared:
Replace the cable between IPT and
VCT.
Replace the VCT card.
Replace the IPT card.
Table 2-6 Remedial Action on Each Lamp Status (Continued)
CARD NAME
LAMP STATUS
FAULT
CONTENT
REMEDIAL ACTION
1
2
3
4
5
1
2
3
1
2
3
4
5
Summary of Contents for NEAX 2000IVS2
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