Piper PA-24 Comanche Service Manual page 177

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PIPER COMA~CHE SERVICE MANl'AL
TABLE V-II. TROUBLESHOOTING CHART (SURFACE CONTROLS) (coat.)
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Trouble
Fla.ps
fail
to extend
or retract thou,h
flap solenoid actua.tes.
(Motor cireun.)
Flaps fail to extend
or retract. F
la~
so-
lenoid does not ae-
ruate.
(Solenoid circuit.)
FLAP CONTKOL SYSTEM
Master
switch off.
[)efective flap Klenor
switch.
Defective flap motor
circuit relay.
Ground open from flap
motor circuit relay.
Ground open from flap
selector switch.
Defective flap motor.
Dcfectiw circuit
win",.
Mutet switch off.
Flap solenoid circuit
breaker open.
Defective flap selector
switch.
Defective up or down
limit switch.
Defective nap solenoid
Ground open from flap
solenoid.
Defective circuit wiriftl.
IH7
I
Remedy
Tum switch on.
Replace Klector
switch.
Replace relay.
Check It0und eennee-
tion.
Chuk around eennee-
tion.
Replace motor.
Isolate ca\lSC and reo
pUr.
Tum switch on.
Reset circuit brC'lker.
Replace selector
switch.
Replace defective
switch.
Replace flap solenoid.
Chuk rround connec·
non,
lsola.te ca.usc and re-
pair.
SURFACE CONTROLS
ISSUED: 8/18n2