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( 11 ) Motor will stall during acceleration.
The motor will stall
during acceleration
Increase the set
time.
Is the acceleration
time setting short?
Yes
Yes
Reduce the load
torque or use a
Drive with a higher
capacity.
Is the load torque
high?
Is the motor terminal
voltage lower than
output terminal
voltage?
Yes
No
No
No
Yes
Yes
No
Reduce the load Wk
2
or use a
Drive with higher capacity.
No
Yes
Contact GE Fuji Electric.
Increase or de-
crease the torque
boost setting.
No
Is a special
motor in use?
Correct the wire size
between the Drive
and the motor or
shorten the wiring
distance.
Is the torque boost
set correctly?
Possible Drive failure or
malfunction due to
electrical noise. Contact
GE Fuji Electric.
Is Wk
2
of the motor
and/or load
excessive?