TM 9-4120-385-14
Table 3-1. OPERATOR'S TROUBLESHOOTING Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4. LOW PRESSURE CUT-OUT switch tripped.
RESET LOW PRESSURE CUT-OUT switch.
5. EXCESSIVE COOLING
Step 1. Temperature control knob set for too cool operation.
Increase temperature control knob for temperature desired. Refer to
Step 2. Mode selector switch set to COOL rather than VENTILATE.
Set mode selector switch to VENTILATE.
Step 3. Fan switch set to HI SPEED rather than LO SPEED.
Set fan switch to LO SPEED.
Step 1. Temperature control knob improperly set.
Set temperature control knob for desired temperature. Refer to
Step 2. Mode selector switch set to LO HEAT instead of HI HEAT.
3-3