Piper Dakota Maintenance Manual page 348

CHART 3301. TROUBLESHOOTING (ELECTRICAL SYSTEM) (cont)
Trouble
VAC warning light fails to
extinguish.
ALT warning light fails to
operate.
ALT warning light fails to
extinguish.
Test switch fails to activate
warning lights.
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
Cause
ANNUNCIATOR PANEL (cont)
Sensor activates at a too
high setting.
Sensor terminals bridged.
Defective sensor.
Bulb burned out.
No current from bus to
resistor.
Blown fuse.
No current from fuse to
the resistor.
Bad switch or connections.
2C24
Remedy
Replace.
Remove material between
terminals.
Replace.
Replace.
Check all wire segments and
connections.
Replace 5 amp fuse near
diode heat sink.
Check all wire segments and
connections.
Check wires and replace
switch if necessary.
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Page 33 - 03
Reissued: August 1, 1986