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Page 33 - 02
Reissued: August 1, 1986
2C23
CHART 3301. TROUBLESHOOTING (ELECTRICAL SYSTEM)
ANNUNCIATOR PANEL
All warning lights fail to Blown fuse. Replace 5 amp fuse behind
operate. instrument panel.
No current from bus. Check all wire segments,
connections, and recep-
tacle at left side of
annunciator panel.
All warning lights fail to Test switch grounded out. Check terminals and replace
extinguish after engine is switch if necessary.
running.
OIL warning light fails to Bulb burned out. Replace.
operate.
No current to sensor. Check all wire segments and
connections.
Sensor activates at a too low Replace.
setting.
Defective sensor. Replace.
OIL warning light fails to Sensor activates at a too Replace.
extinguish. high setting.
Sensor terminals bridged. Remove material between
terminals.
Defective sensor. Replace.
VAC warning light fails to Bulb burned out. Replace.
operate.
No current to sensor. Check all wire segments and
connections.
Sensor activates at a too Replace.
low setting.
Defective sensor. Replace.
PIPER AIRCRAFT
PA-28-181
MAINTENANCE MANUAL
Trouble Cause Remedy
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