TB-9-2320-279-13-1
TECHNICAL BULLETIN; AIR CONDITIONING SYSTEM
OPERATOR’S, UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LISTS
DECEMBER 2005
TB-9-2320-279-13-1 - Page 164 of 524
TB 9-2320-279-13-1
0014-14
AC COMPRESSOR DOES NOT SHUT OFF OR CYCLES CONSTANTLY - Continued
DRAFT
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KNOWN INFO
AC heater/evaporator blower operates.
AC compressor operates.
AC condenser core not blocked or damaged.
AC compressor belts OK.
AC temperature control switch temperature
probe OK.
AC condenser motor red wire OK.
AC condenser motor ground wire OK.
AC condenser motor OK.
AC condenser assembly harness black wire
OK.
AC harness wire 1155 OK.
AC harness wire 1156 OK.
POSSIBLE PROBLEMS
AC condenser assembly harness green wire
faulty.
AC condenser motor solenoid ground wire
faulty.
AC condenser motor solenoid faulty.
12.
Is continuity measured
across AC condenser
assembly harness green
wire?
Repair AC
condenser assembly
harness green wire
(see Appendix A).
Verify repair, go to
Step 14 of this fault.
NO
YES
Read WARNING on
page 0014-15.
WARNING
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TEST OPTIONS
Continuity test.
Multimeter.
REASON FOR QUESTION
If continuity is not measured,
AC condenser assembly
harness green wire is
faulty.
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KNOWN INFO
AC heater/evaporator blower operates.
AC compressor operates.
AC condenser core not blocked or damaged.
AC compressor belts OK.
AC temperature control switch temperature
probe OK.
AC condenser motor red wire OK.
AC condenser motor ground wire OK.
AC condenser motor OK.
AC condenser assembly harness black wire
OK.
AC harness wire 1155 OK.
AC harness wire 1156 OK.
AC condenser assembly harness green wire
OK.
POSSIBLE PROBLEMS
AC condenser motor solenoid ground wire
faulty.
AC condenser motor solenoid faulty.
13.
Is continuity measured
across AC condenser motor
solenoid ground wire?
Repair AC condenser
motor solenoid ground
wire (see Appendix A).
Verify repair, go to
Step 14 of this fault.
NO
YES
Read WARNING on
page 0014-15.
WARNING
Replace AC condenser
motor solenoid (WP 0027).
Verify repair, go to Step 14 of
this fault.
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TEST OPTIONS
Continuity test.
Multimeter.
REASON FOR QUESTION
If continuity is measured, AC
condenser motor solenoid
is faulty.
If not, AC
condenser motor solenoid
ground wire is faulty.
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