TROUBLESHOOTING - TM-3-1040-279-12-P0048

TM 3-1040-279-12&P

NOTES

Troubleshooting procedures given in this table are the same for both smoke generators and

either side of the control panel assembly.

Some of the troubleshooting procedures require two people. Before performing these proce-

dures, make sure the second person is available.

System uses vehicle battery for power. Do not operate system without vehicle engine

running.

TROUBLESHOOTING

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. CIRCUIT BREAKER CB1 MOVES TO OFF POSITION.

Step 1. Check for short circuit in air compressor assembly.

Disconnect cable assembly from connector 2J1 at air compressor.

Set circuit breaker CB1 to ON.

If circuit breaker CB1 stays in the ON position, air compressor assembly has a short

circuit. Notify organizational maintenance.

If circuit breaker CB1 trips to OFF position, reconnect cable and go to next step.

Step 2. Check for short circuit in vehicle air compressor cable.

Disconnect cable assembly from connector 1J2 control panel assembly.

Set circuit breaker CB1 to ON.

If circuit breaker CB1 stays in the ON position, vehicle cable has a short circuit.

Notify organizational maintenance.

If circuit breaker CB1 trips to OFF position, control panel has a short circuit. Notify

organizational maintenance.

2. CIRCUIT BREAKER CB1 MOVES TO OFF POSITION WHEN POWER SWITCH IS SET TO ON.

Step 1. Check for short circuit in air compressor assembly.

Disconnect cable assembly from connector 2J1 at air compressor.

Set circuit breaker CB1 and power switch to ON.

If circuit breaker CB1 stays in the ON position, air compressor assembly has a short

circuit. Notify organizational maintenance.

If circuit breaker CB1 trips to OFF position, reconnect cable and go to next step.

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