Creation: 01.31 - 2014 2-4-14
Generator Protective Circuit
1. The output contactor opens
during power delivery, and the
GCM displays
“FAULT LATCHED,
A. A faulty connection exists
between the voltage sensing wire
on the contactor terminal and the
GCM.
B. The engine speed is set too
high.
B. Decrease the engine speed
setting within the GCM.
C. The engine ECM is faulty.
manufacturer. Replace the ECM if
2. The output contactor opens
during power delivery, and the
GCM displays
“FAULT LATCHED,
A. A faulty connection exists
between the voltage sensing wire
on the contactor terminal and the
GCM.
B. The engine speed is set too
low.
B. Increase the engine speed
setting within the GCM.
C. The engine ECM is faulty.
manufacturer. Replace the ECM if
D. The engine is overloaded.
D. Reduce the load at the aircraft.
3. The output contactor opens
during power delivery, and the
GCM displays
“FAULT LATCHED,
A. A faulty connection exists
between the voltage sensing wire
on the contactor terminal and the
GCM.
4. The output contactor opens
during power delivery, and the
GCM displays
“FAULT LATCHED,
A. A faulty connection exists
between the voltage sensing wire
on the contactor terminal and the
GCM.
B. A faulty connection exists
between the generator exciter and
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