TM 55-1510-219-MTF
TROUBLESHOOTING GUIDE D - ANNUNCIATOR PANEL
CONDITION
PROBABLE CAUSE
D1.
Annunciator light (annunciator panel) will not illuminate
when press-to-test switch is pressed.
a.
Defective placard light.
b.
Defective annunciator fault detector module.
c.
Defective wiring.
D2.
Master warning or master caution light will not illuminate
for any red or yellow faults.
a.
Defective master warning light.
b.
Defective fault detection module.
c.
Defective annunciator control module.
D3.
Depressing the annunciator press-to-test switch has no
effect on fault warning system operation.
a.
Defective switch.
b.
Defective wiring.
c.
Defective circuit breaker.
D4.
Dim control does not function properly.
a.
Defective switch.
b.
Defective wiring.
c.
Defective annunciator control module.
3-17
