Piper CHEROKEE WARRIOR PA-28-151 1995 Maintenance Manual page 378

PIPER CHEROKEE WARRIOR SERV I C E M A N U A L
TABLE XI-I. TROUBLESHOOTING ELECTRICAL SYSTEM (cont.)
Trouble
V A C w a r n i n g l i g h t f a i l s t o
i l l u m inate.
VAC warning light fails to
e x t i nguish.
A LT warning light fails to
i l l u m inate.
A LT warning light fails to
e x t i nguish.
Test switch fails to activate warning
lights.
Revised: February 28, 1995
Cause
WARRIOR/WARRIOR II
ANNUNCIATOR PANEL (cont.)
Bulb burned out.
No current to sensor.
Sensor activates at too low of a
setting.
Defective sensor.
Sensor activates at too high of a
setting.
Sensor terminals bridged.
Defective sensor.
Bulb burned out.
No current from bus to resistor.
Blown fuse.
No current from the fuse to the
resistor and fuse is good.
Bad switch or connections.
(Continued on next page)
2D19
Island Enterprises
Remedy
Replace bulb.
Check all wire segments and
c o nnections.
Replace sensor.
Replace sensor.
Replace sensor.
Remove material from between
terminals.
Replace sensor.
Replace bulb.
Check all wire segments and
c o nnections.
Replace 5 amp fuse aft of the
diode heat sink.
Check all wire segments and
c o nnections.
Check wires and connections.
Replace switch if necessary.
ELECTRICAL SYSTEM