TM 55-1510-220-MTF
TROUBLESHOOTING GUIDE C - ELECTRICAL
CONDITION
PROBABLE CAUSE
C1. No or low voltage indicated.
a.
Engine speed too low.
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 panel.
C2. No generator output.
a.
Improper connections.
b.
Circuit breaker tripped.
c.
Open circuit.
d.
Defective generator control switch.
e.
Starter switch on.
f.
Generator over-voltage circuit defective.
g.
Defective generator control panel.
h.
High resistance field circuit.
i.
Shorted field.
C3. Low generator output.
a.
Generators not paralleled.
C4. Low voltage.
a.
Malfunctioning generator control panel.
C5. Volt-loadmeter does not indicate.
a.
Tripped circuit breaker.
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