Section V. TROUBLESHOOTING - TM-32-5410-221-14-P0033

TM 32-5410-221-14&P

Section V. TROUBLESHOOTING

WARNING

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TROUBLESHOOTING PROCEDURE. Table 5-

2 indicates the most frequent malfunctions in the S-

Dangerous voltage is present in the

281/G, their probable causes, and the corrective action

electrical circuits. Death on contact

required at the organizational level of maintenance as

may result.

Use all safety

authorized by the MAC. Any trouble that is beyond the

precautions and be extremely careful

scope of organizational maintenance must be referred to

when

performing

electrical

direct support maintenance.

troubleshooting and repairs.

Table 5-2. Organizational Maintenance Troubleshooting

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ELECTRICAL -

1. NO POWER IN SHELTER WHEN MAIN CIRCUIT BREAKER IS ON.

Step 1.a. Central or Commercial Power. See if nearby facilities that are using same main source have

power.

If main power is OFF, switch to auxiliary power until main power is restored.

b. Individual Generator Power. See if generator is operating properly. Refer to applicable manual.

Step 2. Inspect main power cable for loose or broken connections.

Reconnect, tighten, repair, or replace as necessary.

Step 3. Check output, or make point-to-point continuity test from main power source to main circuit

breaker, until the malfunction is isolated.

Repair malfunction or replace defective component.

2. MAIN CIRCUIT BREAKER IS ON BUT THERE IS NO POWER TO A LIGHT UNIT OR RECEPTACLE.

Step 1. Check to see if in-line contact components (circuit breakers, switches, etc.) are ON. See wiring

If any in-line contact components are OFF, reset to ON.

Step 2. Check output, or make point-to-point continuity checks from main circuit breaker to light unit or

receptacle, until the malfunction is isolated.

Repair malfunction or replace defective component.

3. POWER TO LIGHT UNIT, BUT BULB(S) DOES NOT LIGHT.

Step 1. Check to see that bulb is tight in socket and making good contact.

If bulb is loose in socket, tighten it.

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