TM 5-3610-287-24
Table 2-3.
Organizational Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
EMERGENCY LIGHT SET INDICATOR LAMP DOES NOT LIGHT WHEN PLUGGED IN
(CONT)
Step 3.
Unplug emergency light set.
Remove front cover and check
for broken or loose wires.
Repair or replace wires. Refer to figure 2-1, Emergency
Light Set Simplified Schematic, at end of
troubleshooting table.
Plug in emergency light set. Test voltage on circuit card
Step 4.
from CT to X1, then from CT to X2. Reading should be 8.8
Vac.
If reading is not correct, replace transformer (para
If malfunction still exists, replace indicator bulb.
If malfunction still exists, replace circuit card (para
2.
ONE EMERGENCY LIGHT SET LAMP FAILS TO LIGHT WHEN TESTED.
WARNING
HIGH VOLTAGE. When working on high voltage
components, always have an additional person
present. Keep one hand away from equipment to
reduce hazard of current flowing through vital
organs of body. Remove all jewelry from
fingers, wrists, and neck before working on
electrical components. Failure to observe this
warning may result in death or serious burns.
Check for
Set toggle switch to OFF and unplug emergency light set.
corrosion at bulb base and socket.
Clean bulb base or socket.
If malfunction still exists, replace bulb.
