TM 9-4120-403-14
TABLE 3-1. OPERATOR'S TROUBLESHOOTING (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. COMPRESSOR DOES NOT START IN COOL MODE.
Step 1. Check to see if HIGH or LOW PRESSURE CUT-OUT switch has tripped.
PUSH and release TO RESET.
Step 2. Be sure thermostat is in full DECREASE position.
If cut-out switch(es) continue to trip, contact your supervisor.
Step 3. Check operation of mode selector switch.
Turn switch to OFF, then reset to COOL. Allow 30 seconds time delay for
compressor to start. If malfunction still exists, contact your supervisor.
3-3
