Piper Navajo PA-31 Service Manual page 278

Trouble
Annunciator light ON,
flaps operate.
Annunciator light ON,
flaps inoperative.
Flaps inoperative and
annunciator light off;
flap indicator pointing
OFF.
Flaps inoperative and
annunciator light off;
flap indicator showing
flap position.
PIPER NAVAJO SERVICE MANUAL
TABLE V-II. TROUBLESHOOTING
CHART (CALCO FLAP SYSTEM)
Cause
Amplifier component
failure.
Flap motor circuit
breaker off.
Flaps asymmetric.
Potentiometer failure.
Motor and/or relay
failure.
Power lost to amplifier.
Annunciator failure.
Flap asymmetric con-
dition.
Flap motor circuit
breaker off.
Remedy
Replace the amplifier.
Reset flap motor
circuit breaker.
Check and rerig flaps.
Replace potentiometer.
Replace component.
Reset flap control circuit
breaker.
Test annunciator.
Check and rerig flaps.
Reset flap motor circuit
breaker.
Reissued: 10/12/79
SURFACE CONTROLS
1L14