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Page Title:
Chart 7-1. Troubleshooting - Monitor, Module, Alarm |
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 TM 5-6350-262-14/9
NAVELEX 0967-466-9090
TO 31S9-4-32-1
Chart 7-1. Troubleshooting - Monitor, Module, Alarm
Unit Status
Trouble Symptom
Test Victim
Indication
Probable Cause
Corrective Action
Power on,
1. Both lamps
Cycle Acknow-
No change.
a. Defective
a. Replace switch.
no alarm.
flashing.
ledge switch.
Reset/Ack
switch.
b. Bad A1 PWB.
b. Replace A1
PWB.
2 Both lamps
Cycle Reset
No change.
a. Defective
a. Replace switch.
continuously on.
switch.
Reset/Ack
switch.
b. Bad A1 PWB.
b. Replace A1
PWB.
Power on,
3. Both lamps
Activate lamp
No change.
a. Open Fuse
a. Replace A7F1.
alarm.
off.
test switch.
A7F1.
b. Defective Al
b. Replace Al
PWB.
PWB.
c. Defective
c. Replace lamps.
lamps.
4. One or both
a. Defective Al
a. Replace Al
lamps on con-
PWB.
PWB.
tinuously.
5. One lamp flash-
a. Defective Al
a. Replace Al
ing, one lamp on
PWB.
PWB.
continuously.
6. One lamp flash-
Cycle ack-
Flashing
a. Defective.
a. Replace lamp
ing, one lamp off.
knowledge
lamp on
lamp.
switch.
continuously,
dark lamp
still off.
No effect.
b. Defective Al
b. Replace Al
PWB.
PWB.
Lamp Test
1. Both lamps off.
a. Blown fuse.
a. Replace Fuse
A7F1.
b. Defective
b. Replace Lamp
Lamp/Teat
Test switch.
switch.
c. Defective Al
c. Replace Al
PWB.
PWB.
2. Only one lamp
a. Defective
a. Replace lamp.
on.
lamp.
Lamp Test.
1. All lamps off.
a. Blown fuse.
a. Replace Fuse
A7F1.
b. Defective Al
b. Replace Al
PWB.
PWB.
7-2
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