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 TM5-4120-384-14
4-8.
USE OF TROUBLESHOOTING TABLE.-Continued
closely describes the immediate situation; then perform the test
and inspections and corrective action steps in the order in which
they are listed.
This manual cannot list all possible situations which may
c.
be encountered, nor can it list all test and inspection, and
If a condition is
corrective action steps which may be taken.
encountered which cannot be resolved within the capabilities and
experience of organizational maintenance personnel assistance
should be requested from direct support maintenance.
TROUBLESHOOTING
Table
4-2.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
AIR CONDITIONER DOES NOT START IN ANY MODE.
Step
1.
Check
if
circuit
breakers
are
tripped.
Reset
circuit
breakers.
Step
2.
Check
if
input
power
has
been
disconnected.
Connect input power.
Disconnect input power before performing
Voltages
internal electrical troubleshooting.
used can be lethal.
If input power has been disconnected for an
unknown period of time, do not start in COOL
MODE until power has been reconnected for a
minimum of four hours.
Step
3.
Check for loose or damaged electrical
connectors
or
damaged wires in wiring harnesses.
Tighten
or
replace
connectors,
or
repair
damaged
wires.
4-29
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