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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).
9
KNOWN INFO
TEST OPTIONS
Green light extinguished.
Voltage Test.
Is voltage present at high
Defrost fans OK.
STE/ICE-R #89.
pressure cut-off switch where
Wire 80 OK.
REASON FOR QUESTION
Heater/air conditioner switch OK.
wire 81 connects?
If voltage is not present, high
Light green wire OK.
pressure cut-off switch is faulty.
Thermostat OK.
Wire 81 OK.
Low pressure cut-off switch OK
Dark green wire OK.
POSSIBLE PROBLEMS
High pressure cut-off switch faulty.
Wire 81 faulty.
A/C compressor clutch faulty.
Notify Direct
Support to replace
NO
high pressure cut-
off switch.
YES
KNOWN INFO
TEST OPTIONS
10
Green light extinguished.
Voltage test.
Is voltage present at A/C
Defrost fans OK.
STE/ICE-R #89.
Wire 80 OK.
compressor clutch where wire
REASON FOR QUESTION
Heater/air conditioner switch OK.
81 connects?
If voltage is not present, wire 81 is
Light green wire OK.
faulty.
Thermostat OK.
Wire 81 OK.
Low pressure cut-off switch OK
Dark green wire OK.
High pressure cut-off switch OK.
POSSIBLE PROBLEMS
Wire 81 faulty.
A/C compressor clutch faulty.
Repair wire 81
NO
(Para 8-48).
YES
Notify Direct
Support to replace
A/C compressor
clutch.
2-458
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