Piper SARATOGA PA-32-301 Maintenance Manual page 115

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
CHART 2103. TROUBLESHOOTING (AIR CONDITIONING SYSTEM)
Trouble Cause Remedy
Condenser door will not
close when air conditioner
switch is in the "OFF"
position.
System produces no
cooling.
Faulty relay "K-2".
Electrical
Blown fuse in control
head.
Replace relay.
Replace fuse.
Open circuit breaker.
Broken or disconnected
electrical wire.
Broken or disconnected
ground wire.
Clutch coil burned out or
disconnected.
Thermostat sensing element
defective.
Blower motor disconnected
or burned out.
Mechanical
Loose or broken drive belt.
Compressor partially or
completely frozen.
Expansion valve stuck in
open position.
Reset circuit breaker.
Check all terminals for
loose connections; check
wiring for hidden
breaks.
Check ground wire to see
if loose, broken, or dis-
connected.
Check current flow to
clutch, replace if
inoperative.
Check thermostat and cabin
comfort control panel.
Check current flow to
blower motor. Repair or
replace if inoperative.
Replace drive belts
and/or tighten to
specifications.
Remove compressor for
service or replacement.
Replace expansion valve.
21-52-00
Page 21-09
Revised: August 11, 1983
1E19