Table 3-2. Troubleshooting

TM 5-6640-214-14

Table 3-2. Troubleshooting

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. OVEN HEAT LOSS

Step 1. Check for improperly positioned door strike.

Adjust door strike for tighter closure.

2. OVEN TEMPERATURE VARIES (VENT CLOSED)

Step 1. Check for improperly loaded oven.

Test oven empty.

Step 2. Check to see if hot oven is stabilized.

Allow 1 to 2 hours for oven to stabilize.

Step 3. Inspect for faulty electrical connections.

Check all electrical lines and connections.

3. OVEN NO HEAT

Step 1. Check for loss of power.

Check line voltage and connections.

4. MANOMETER NO PRESSURE (READING)

Step 1. Check if pressure is not being applied to either or both sides

of the instrument.

Check for slugged or leaking pressure lines. Make applicable

corrections.

Step 2. Inspect atmosphere pressure connection for proper venting to

atmosphere.

Make applicable connection to ensure proper venting.

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