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