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TM5-4120-375-14
SECTION IV.
TROUBLESHOOTING
4-11. TROUBLESHOOTING.
a.
b.
c.
Table 4-2 contains troubleshooting information for locating and cor-
recting most of the operating troubles which are the responsibility
of organizational maintenance.
Each malfunction for an individual
component, unit, or system is followed by a list of tests or
inspections which will help you to determine probable causes and
corrective actions to take.
Perform the tests/inspections and
corrective actions in the order listed.
This manual cannot list all malfunctions that may occur, nor all
tests or inspections and corrective actions.
If a malfunction is
not listed or is not corrected by listed corrective actions, notify
your supervisor.
Onlv those functions within the scope of organizational maint-
enance are listed.
For troubleshooting procedures within the scope
of operator/crew maintenance, refer to Table 3-1 .
4-12. SYMPTOM INDEX.
Locate the malfunction which is the same, or most nearly the same,
as the trouble you are having with the air conditioner.
The Symptom
Index lists the first page of troubleshooting information for that
malfunction.
Follow the steps one by one, and perform the corrective
actions listed.
Malfunction
Number
Description
Page
1.
Air conditioner fails to operate.
4-13
2.
Compressor fails to start.
4-14
3.
Insufficient cooling.
4-15
4.
Evaporator fan fails to operate
4-15
5.
Condenser fan fails to operate
4-16
4-12
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