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TM 9-4120-389-14
Table 4-2. UNIT TROUBLESHOOTING- (cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 6.
Check for loose electrical connections. Tighten electrical connections.
Step 7.
See wiring diagram, FO-1 and check for defective wiring. Repair wires per para. 4-36.
2.
EVAPORATOR AND CONDENSER FANS BOTH RUN, BUT COMPRESSOR DOES NOT START
AFTER TIME DELAY.
Step 1.
Check to see if HIGH or LOW pressure cut-out switch has tripped.
Remove access cover per para. 4-17 and push reset button. If compressor fails to start,
contact your supervisor and Direct Support Maintenance.
4-42
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