Piper Warrior III - Page 485

PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 5
Nov 30/06
3D5
31-50-00
CHART 2 (Sheet 3 of 3)
TROUBLESHOOTING ANNUNCIATOR
Trouble Cause Remedy
OIL PRESSURE fails to illuminate. Blown bulb(s). Replace bulb(s).
No current to sensor. Check all wire segments
and connections.
Sensor activates at a too low Replace sensor.
setting. See Chapter 79.
OIL PRESSURE fails to extinguish. Sensor activates at a too high Replace sensor.
setting. See Chapter 79.
Sensor terminals bridged. Remove material
between terminals.
Defective sensor. Replace sensor.
See Chapter 79.
OIL PRESSURE fails to dim with Open R-5 resistor in annunciator Replace resistor.
switch in NIGHT position. box assembly.
Defective K-3 relay in annunciator Replace relay.
box assembly.