TM 9-4120-378-14
Table 3-1. Operator Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
2.
INSUFFICIENT COOLING - Continued
Step 7,
Check to see that sufficient air is passing through condenser coil by placing a
piece of paper on the condenser guard. The paper should be held against the
guard by the air.
a. Remove any obstructions from condenser inlet and outlet.
b, Make sure that condenser louver outlet is open.
3.
NO HEAT OR LOW HEAT
See that Mode Selector switch is properly set,
Step 1.
Set switch on LOW HEAT or HIGH HEAT,
Step 2,
Make sure that Temperature Selector switch is set correctly.
Reset switch.
Check for sufficient air movement over heaters by placing a piece of paper in front
Step 3,
of the evaporator inlet louver. The paper should be held against the louver by the
air.
a. Remove any obstructions from evaporator inlet and discharge louvers.
b. Make sure that evaporator inlet louver blades are open.
3-3
