TM 1-1510-224-MTF
TROUBLESHOOTING GUIDE C - ELECTRICAL
CONDITION
PROBABLE CAUSE
C1.
Zero or low voltage indicated.
a.
Circuit breaker tripped.
b.
Loose connection.
c.
Open or shorted field circuit in generator or defective
armature.
d.
Brushes not contacting commutator.
e.
Brushes worn out.
f.
Dirty commutator.
g.
Defective generator control unit.
h.
Starter-generator switch on.
i.
Defective indicator.
C2.
No generator output.
a.
Improper connections.
b.
Circuit breaker tripped.
c.
Open or short circuit.
d.
Loss of residual magnetism.
e.
Generator control switch not ON or RESET.
f.
Defective generator control switch.
g.
Starter-generator switch on.
h.
Generator control unit over-voltage circuit defective.
i.
Paralleling circuit open.
j.
Defective generator control unit.
k.
High resistance field circuit.
l.
Shorted field.
m. Generator feeder fault.
n.
Defective indicator.
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