TM 9-4120-388-14
Table 3-1. Operator's Troubleshooting (Cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2. Check operation of TEMPerature control thermostat.
Set control to fully INCREASE; then, if condition improves, adjust properly.
Step 3. Be sure that the louvers in the conditioned air inlet/outlet grilles are properly adjusted.
Adjust louvers properly.
Step 4. Be sure that excessive cold, outside air is not being introduced through the fresh air damper,
Fully close damper; then, if condition improves, adjust properly.
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