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 160 of 524
TB 9-2320-279-13-1
0014-10
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 harness wire 1156 OK.
AC condenser assembly harness green wire
OK.
AC condenser motor solenoid ground wire
OK.
AC condenser assembly harness black wire
OK.
AC harness wire 1155 OK.
AC condenser motor solenoid OK.
POSSIBLE PROBLEMS
AC condenser motor red wire faulty.
AC condenser motor ground wire faulty.
AC condenser motor faulty.
8.
Is continuity measured
across AC condenser motor
red wire?
Repair AC condenser
motor red wire (see
Appendix A).
Verify
repair, go to Step 14 of
this fault.
NO
YES
Read WARNING on
page 0014-11.
WARNING
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TEST OPTIONS
Continuity test.
Multimeter.
REASON FOR QUESTION
If continuity is not measured,
AC condenser motor red
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 harness wire 1156 OK.
AC condenser assembly harness green wire
OK.
AC condenser motor solenoid ground wire
OK.
AC condenser assembly harness black wire
OK.
AC harness wire 1155 OK.
AC condenser motor solenoid OK.
AC condenser motor red wire OK.
POSSIBLE PROBLEMS
AC condenser motor ground wire faulty.
AC condenser motor faulty.
9.
Is continuity measured
across AC condenser motor
ground wire?
Repair AC condenser
motor ground wire (see
Appendix A).
Verify
repair, go to Step 14 of
this fault.
NO
YES
Read WARNING on
page 0014-11.
WARNING
Replace AC condenser motor
(WP 0026).
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 is faulty.
If not, AC condenser
motor ground wire is
faulty.
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