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 TM 55-1905-223-24-18-1
Troubleshooting - CONT
Table 2-2.
Malfunction
Test or Inspection
Corrective Action
19. Telephone won't receive ring.
STEP 1. Check for loose or broken wiring.
Tighten or replace loose or broken wiring.
NAVIGATION LIGHTS
20. Light doesn't work, no power.
STEP 1. Check for blown fuse in light panel.
Replace fuse, (para. 2-40).
STEP 2. Use a multimeter and check for defective switch in light panel.
Replace switch (para, 2-41).
STEP 3. Check electrical power to light panel.
Refer to TM 55-1905-223-24-18 (Electrical systems).
21. Light doesn't work, power ok.
STEP 1. Check for defective bulb.
Replace bulb (para. 2-36).
22. Searchlight lamp flashes internally without starting.
STEP 1. Check voltage in power supply.
Replace power supply (para. 2-45).
23. Searchlight lamp fails to start with no internal flashing.
STEP 1. Check that door is tightly closed.
Secure door.
24. Searchlight over-temp light on.
STEP 1. Check if fan is operating.
Replace fan (para. 2-45).
STEP 2. Check power supply ammeter for proper reading.
Replace power supply (para. 2-45).
25. High frequency output (outage).
Must be on START or CONTINUOUS.
STEP 1. Check panel switch setting.
Switch to correct setting.
2-116
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