24-02-00
Page 24-10
December 1, 1978
1I5
CHART 2403. TROUBLESHOOTING (ANNUNCIATOR PANEL) (cont)
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.
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 the
extinguish. diode heat sink.
No current from the 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-28RT-201 / 201T
MAINTENANCE MANUAL
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