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Page Title: Table 5-1. Troubleshooting Procedures - Continued
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TM 5-6350-264-14&P-11
NAVELEX EE 181-AA-OMI-120/E121 C-7359-40-1
T.O. 31S9-2FSS9-1-11
Table 5-1. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective Action
9.
(Cont)
c.
(Cont)
(8)
To install twenty-five-zone
Monitor Cabinet power
supply, position power sup-
ply in cabinet. Connect all
interconnecting wires to
TB1 and TB2. Position ter-
minal board cover on TB1.
Install cable clamp on
power supply cover. Con-
nect interconnecting wires
to TB3. Install mounting
screws. Close and latch
mounting racks. Close and
lock cabinet door.
10. Signal Module lights
a.
Defective power
Set multimeter to ac volts. Remove
flashing and audible
supply.
monitor module from one-zone
signal device sound-
Monitor Cabinet to reach TB3.
ing. Audible signal
Connect meter lead to TB3-1 and
device can not be
TB3-5. Meter should indicate 22
reset. AC power is
vac. If meter does not indicate 22
present at TB1.
vac, replace power supply.
(1)
To remove one-zone Monitor
Cabinet power supply, un-
lock and open cabinet
door. Unlatch and swing
out mounting rack. Posi-
tion power switch S1 to
POWER OFF. Turn off ex-
ternal ac power by turning
off circuit breaker. Tag
and remove wires from ter-
minal board TB1, located
on back of Signal Module.
Remove the mounting
screws and remove Signal
Module. Remove mount-
ing screws that hold Status
Monitor Module in posi-
tion. Remove module
from mounting rack. Dis-
connect battery terminal
leads. Slide batteries to
the right and remove from
cabinet. Remove two
5-16

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