TM 5-6115-627-14&P
Table 4-2. Troubleshooting (cont).
Malfunction
Test or Inspection
Corrective Action
2. POWER IS ABSENT AT ONE OR MORE SWITCH BOX LOAD TERMINALS WHEN EITHER POWER
UNIT IS SELECTED.
Step 1. Check load terminal(s) for looseness or damage.
a. If terminal is loose, tighten.
b. If terminal is damaged, notify higher level of maintenance.
Step 2. Inside switchbox, check wires associated with inoperative terminal(s) for looseness or
broken wire terminals.
a. Tighten loose connections.
b. Notify higher level of maintenance if repair or replacement is required.
3. ONE OR MORE INDICATOR
THROUGH SWITCH BOX.
Step 1. Check bulb(s).
LAMPS DO NOT LIGHT WHEN POWER IS APPLIED BY POWER PLANT
Replace bulb(s) if defective (para. 4-29).
Step 2. Inspect wires associated with inoperative indicator. Check wire terminals for looseness.
a. Tighten loose connections.
b. Notify higher level of maintenance if repair or replacement is required.
Step 3. Perform continuity check on indicator housing.
If indicator housing is defective, notify higher level of maintenance.
4-15
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