Piper Comanche PA-24 Service Manual page 297

PIPER
COMANCHE SERVICE MANt:AL
TABLE V·II. TROUBLESHOOTING OIART (SUIlFACE CONTROLS)
(CODt.)
Trouble
c.u.
FLAP CONTROL SYSTEM
Flaps flil to extend Master switch
of(.
or mract though
flap solenoid actuatcs. Defeetive flap .. lector
(Motor circuit.)
switch.
Defective flap motor
cimlit relay.
Ground open from flap
motor
circuit
relay.
Ground open from flap
selector switch.
Defective flap motor.
Dcfeetive cimlit
wiriDg.
Flaps fail to e:<tend Muter switch off.
or retract. F lap
s0-
lenoid does not ac- Flap solenoid circuit
tuatc.
breaker open.
(Solenoid circuit.)
Defeetive flap selector
switch.
Defeetive up or down
limit switch.
Defeetive flap solenoid
Ground open from flap
solenoid.
Defective circuit
wiring.
IH7
Remedy
Tum switch on.
Replace .. lector
switch.
Replace relay.
Check lI'0und c:onnec-
tion.
Check Found cannec:-
non.
Replace motor.
Isolate a .... aDd reo
pair.
Tum switch on.
Reset
circuit
breaker.
• Replace .. lector
switch.
Replace defective
switch.
Replace flap solenoid.
Check ground c:onnec-
tion.
Isolate cause and re-
pair.
SURFACE CONTROLS
ISSUED: 8118n2