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Page Title:
AIR CONDITIONER DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
30. AIR CONDITIONER DOES NOT OPERATE (CONT).
KNOWN INFO
TEST OPTIONS
2
WARNING
Read WARNING on
Green light extinguished.
Voltage Test.
following page.
Defrost fans OK.
STE/ICE-R #89.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Is 24 vdc present at heat/air
Wire 80 faulty.
If voltage is not present, wire 80 is
conditioner switch where wire
Heater/air conditioner switch faulty.
faulty.
80 (red wire) connects pin 5?
Light green wire faulty.
Thermostat faulty.
Low pressure cut-off switch faulty.
Dark green wire faulty.
High pressure cut-off switch faulty.
Wire 81 faulty.
A/C compressor clutch faulty.
Repair wire 80
NO
(Para 8-48).
YES
2-450
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