Piper PA-32RT-300T User Manual

LANCE
II SERVICE
MANUAL
TABLE
XI-III. ELECTRICAL SYSTEM
TROUBLESHOOTING
(cont.)
Trouble
Cause Remedy
ANNUNCIATOR
PANEL
(cont.)
VAC
warning
light fails
to
operate.
(cont.)
Sensor
activates
at a
too low setting.
Replace.
Defective sensor.
Replace.
VAC
warning
light fails
to extinguish.
Sensor
activates
at a
to high
setting.
Replace.
Sensor
terminals
bridged.
Defective
sensor.
Remove
material
between
terminals.
Replace.
ALT
warning
light
fails
to
operate.
Bulb burned
out.
No
current
from
bus
to resistor.
Replace.
Check
all
wire
segments
and connections.
Large
diode
shorted
Replace.
ALT
warning
light
fails
to extinguish.
Blown
fuse.
Replace
5 amp
fuse
near
the
diode
heat
sink.
No
current
from
the
fuse
to the
resistor.
Check
all wire
segments
and
connections.
Test
switch
fails to
activate
warning
lights.
ALT warning
light
fails
to
extinguish,
ammeter
reads
full
output
Bad
switch
or
connections.
Diode
heat
sink
shorted
to
airframe.
Check
wires
and
replace
switch
if necessary.
Replace
teflon
insulating
washers.
Do
not
tighten
screws
excessively.
ELECTRICAL
SYSTEM
Issued:
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Piper PA-32RT-300T Specifications

General

Brand	Piper
Model	PA-32RT-300T
Category	Aircrafts
Language	English