TLD GPU-406 - Page 43

Creation: 01.31 - 2014 2-4-15
GPU - 406
GPU - 409
Generator Protective Circuit (cont.)
PROBLEM
CAUSE
REMEDY
5. The output contactor opens
during power delivery, and the
GCM displays
“FAULT LATCHED,
OVERLOAD”.
A. There is too much load on the
GPU.
A. Reduce the load at the aircraft.
B. The GCM is faulty.
B. Replace the GCM.
C. A faulty connection exists
between the GCM and the voltage
sensing terminals on the output
contactor K16, or a faulty
connection exists between the
GCM and the current sensing
transformers.
C. Correct the wiring.
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