Piper Arrow IV Turbo Maintenance Manual page 362

CHART 3201. TROUBLESHOOTING (LANDING GEAR) (cont.)
Trouble
Red gear unsafe light
operates on and off after
gear has retracted.
Red gear unsafe light out
and one green gear down
light out though gear is
down and locked.
—NOTE—
Ascertain navigation lights
are off (daytime).
Red gear unsafe light and
all green lights out.
—NOTE—
Ascertain navigation lights
are off (daytime).
Red gear unsafe light and
horn fail to operate when
throttle is near closed and
landing gear is retracted.
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
Cause
Light circuit wire loose.
Hydraulic system losing
pressure.
Gear up switch out of
adjustment.
Lamp burned out.
Gear down limit switch
failed.
Light circuit wire broken.
Indicator lights circuit
breaker open.
Light circuit wire broken.
Landing gear selector circuit
breaker open.
Micro switch at throttle out
of adjustment.
Micro switch at throttle
failed.
Warning horn and light
circuit wire broken.
2D11
Remedy
Check wiring.
Refer to Hydraulic System,
Chapter 29.
Check gear up adjustment
and then switch adjustment.
Replace lamp.
Replace switch.
Check wiring.
Reset circuit breaker and
determine cause for open
circuit breaker.
Check wiring.
Rest circuit breaker and
determine cause for open
circuit breaker.
Adjust micro switch.
Replace switch.
Check wiring.
32-00-02
Page 32-04
December 1, 1978