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TM5-4120-375-14
Table 4-2.
TROUBLESHOOTING
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TEST OR INSPECTION
CORRECTIVE ACTION
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VENTILATION MODE ONLY
1.
AIR CONDITIONER FAILS TO OPERATE.
Be careful when working with high voltage.
Failure to comply can result in
serious injury or death.
Step 1.
Check to see if main
Connect power
208VAC, three
Step 2.
Check to see if main
power is plugged in.
cable to a source suppling
phase, 60 Hz. power.
power connector is defective in
accordance with paragraph 4-23.
Replace defective main power connector in
accordance with paragraph 4-23.
Step 3.
Check for loose electrical connections.
Tighten electrical connections.
Step 4.
Check for defective wiring in accordance
4-24.
Step 5.
Check
with paragraph
Replace defective wiring. Use identical
wire consult Appendix F-and solder (Item 12,
table D-1) all terminals connectors in
accordance with paragraph 4-24.
to see that selector switch is in FAN position.
Place selector switch in FAN position. If
the air conditioner will NOT operate check
for a defective switch in accordance with
paragraph 4-16.
Replace defective switch
in accordance with paragraph 4-16.
4-13
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