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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-7359-60-1
T.O. 31S9-2FSS9-1-11
Table 5-1. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective Action
6.
One lamp in pair does
a.
Defective lamp.
Replace lamp.
not light on Signal
Module or Status
(1) To remove lamp, unscrew and
Monitor Module.
remove lens. Pull lamp
straight out of socket.
(2) To install new lamp, insert
lamp straight into socket
Place lens over lamp and
screw in to tighten.
b.
Broken wire or
Repair or replace broken wire. Tight-
loose connection.
en or resolder loose connection.
7.
One or more pairs of
Broken wire or loose
Reconnect wire or resolder
lamps out.
connection.
connection.
8.
Signal Module lights
Momentary disruption
No corrective action necessary; a com-
flashing and an
of AC line power
mon input power fault.
audible signal device
for over 3 seconds.
sounding. When
ACKNOWLEDGE is
initiated, audible
signal device is
silenced and lights
are continuously on.
9.
Signal Module lights
a.
Failure of facility
Continue operating on emergency
flashing and audible
AC power.
power. Locate fault and repair or
signal device sound-
notify proper authorities.
ing. When ACK-
NOWLEDGE is
b.
Blown fuse F2 on
Remove fuse and check. If blown, re-
initiated, audible sig-
power supply.
place fuse. If new fuse blows, re-
nal device is si-
place power supply.
lenced and lights are
c.
Defective switch S1
continuously off.
on power supply
System is in emer-
or defective power
gency operation.
supply.
Interrupt main ac power to
cabinet at circuit breaker or
disconnect before checking
switch S1, or equipment may
be damaged.
a.
Replace one-zone power supply or
switch S1.
(1) To remove one-zone Monitor
Cabinet power supply, un-
lock and open cabinet door.
5-10
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