Red Gear Unsafe Light Out While Gear Is In Transit; Red Gear Unsafe Light On Though Gear Has Retracted; Red Gear Unsafe Light On; Though Gear Is Down And Locked - Piper PA-44-180 SEMINOLE Maintenance Manual

CHART 3201. TROUBLESHOOTING (LANDING GEAR)
Trouble
Red gear unsafe light out
while gear is in transit.

Red gear unsafe light on

though gear has retracted.
Red gear unsafe light on
though gear is down and
Locked.
The out of adjustment or failed switch may be determined by noting which down
light is not lit.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
Cause
Indicator lamp burned out.
Indicator light ground in-
complete.
Indicator light circuit wire
broken.
Indicator light circuit
breaker open.
One or more up limit
switches failed.
Nose gear up limit switch
out of adjustment.
Main gear not retracting
far enough to actuate
switch.
One or more down limit
switches failed.
Nose gear down limit
switch out of adjustment.
Main gear down limit
switch out of adjustment.
— Note —
2F18
Remedy
Replace lamp.
Check ground circuit.
Check wiring.
Reset circuit breaker and
determine cause for open
circuit breaker.
Isolate and replace switch.
Check gear up adjustment
and readjust up limit
switch.
Check gear up adjustment.
Isolate and replace switch.
Readjust down limit switch.
Readjust down limit switch.
Revised: May 15, 1989
3 2 - 0 2 - 0 0
Page 32-02