TB 9-2320-360-13&P-1
A/C COMPRESSOR DOES NOT SHUT OFF OR CYCLES CONSTANTLY - CONTINUED.
10.
KNOWN INFO
WARNING
Read WARNING on
A/C operates.
page 0019 00-13.
magnetic switch (R31) supply and
control circuit OK.
Does A/C compressor operate
Air supply to engine fan control
OK.
correctly?
A/C condenser not blocked with
TEST OPTIONS
debris.
Verify repair.
A/C engine fan control solenoid
black wire OK.
REASON FOR QUESTION
A/C engine fan control solenoid
If A/C compressor does not shut off
OK.
or is cycling constantly, fault has
A/C engine fan control solenoid
not been corrected.
circuit breaker OK.
A/C engine fan control solenoid 12
vdc supply circuit wiring OK.
Fault not
NO
A/C engine fan control solenoid
corrected. Notify
valve OK.
DS Maintenance.
A/C high pressure switch OK.
A/C thermostatic switch
YES
temperature probe installed
correctly.
A/C thermostatic switch OK.
POSSIBLE PROBLEMS
Fault corrected.
None
0019 00-12