TM 5-6350-264-14&P-10
NAVELEX EE 181-AA-OMI-110/E121 C-9412
T.O. 31S9-2FSS9-1-10
Table 5-2. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective action
7.
(Cont)
Bad PC board A8,
o.
To reinstall PC board A8, turn board so
or mode switch
plastic ejector is toward top. Align
S3. (Cont)
board with guides at top and bot-
tom of status processor. Slide
board straight in until it contacts
receptacle at back of processor.
Then press firmly on board until
it seats completely in receptacle.
p.
Turn on switch S1 on power supply.
Depress TRANSMITTER RESYNC
switch S2. Wait about 5 minutes
for system to stabilize. Turn mode
switch to TEST/RESET and then
to SECURE.
8.
Improper
Bad alarm
a.
Open CU door and pull TAS plunger all
intrusion
identification
the way out. Note which light
alarm
circuitry.
emitting diode (LED) is lighted.
identifi-
If the only LED lighted is for sen-
cation.
sor monitoring entrance, secure en-
trance. Turn mode switch to SE-
CURE and then to TEST/RESET.
NOTE
If motion sensors are used near
CU, remain motionless to avoid
setting off false alarms.
The audible signal device will nor-
mally stop sounding 10 ±2 seconds
after CU has been reset. If the
audible signal device continues to
sound and there are no LEDs
lighted, this indicates a tamper
alarm. If a LED is lighted, it will
indicate which sensor or group of
sensors has been activated. LEDs
A through E indicate intrusion
alarms and LED F indicates a
duress alarm (Latching Alarm
Switch).
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