TB 9-2320-360-13&P-1
A/C DOES NOT OPERATE
KNOWN INFO
23.
WARNING
Read WARNING on
Power to A/C system OK.
page 0042 00-31.
A/C circuit wiring OK.
A/C control OK (except for A/C
Does A/C system provide
binary switch and A/C
adequate cooling?
thermostatic switch).
A/C receiver/dryer moisture
TEST OPTIONS
indicator indicates no moisture in
Verify Repair.
system.
A/C receiver/dryer sight glass
REASON FOR QUESTION
indicates no desiccant
If A/C system provides adequate
breakdown or oil in system.
cooling, fault has been corrected.
Restricted A/C hose.
A/C thermostatic switch OK.
No air or other contaminant in A/C
system.
Fault not corrected.
A/C engine fan control circuit OK.
NO
Notify supervisor.
A/C condenser OK.
A/C expansion valve OK.
A/C system is not overcharged.
YES
A/C receiver/dryer OK.
A/C evaporator OK.
A/C compressor OK.
A/C system charge is not low.
Fault corrected.
A/C system is not leaking.
A/C binary switch OK.
POSSIBLE PROBLEMS
None
0042 00-30
