TB 9-2320-360-13&P-1
A/C DOES NOT OPERATE
4.
KNOWN INFO
WARNING
Read WARNING on
Power to A/C system OK.
page 0042 00-9.
A/C circuit wiring OK.
A/C controls OK (except for A/C
Does A/C test set recovery/
binary switch and A/C
recycling manifold gages
thermostatic switch).
indicate full charge and
A/C receiver/dryer moisture
indicator indicates no moisture in
normal system low side
system.
pressure?
A/C binary switch OK.
A/C receiver/dryer sight glass
indicates no desiccant
breakdown or oil in system.
POSSIBLE PROBLEMS
A/C system charge is low.
Go to Step 9 of
A/C compressor faulty.
NO
this fault.
Restricted A/C hose.
A/C thermostatic switch faulty.
Air or other contaminant in A/C
YES
TEST OPTIONS
system.
Pressure Test.
A/C engine fan control circuit
A/C Test Set Manifold Gages.
faulty.
A/C condenser faulty.
REASON FOR QUESTION
A/C expansion valve faulty.
To check for full charge and isolate
A/C system overcharged.
system fault.
A/C system leaking.
A/C receiver/dryer faulty.
A/C evaporator faulty.
0042 00-8