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( 12 ) Motor heating abnormal.
Is the load too large?
Is the motor contin-
uously operated at
very low speed
(frequency)?
Is the output voltage
(Terminals U, V, and
W) of the Drive well
balanced?
Use a motor designed
exclusively for Drive
use and low speed
operation or consider
increasing speed ratio
by mechanical method
(i.e. gearing.)
Change the setting.
Is the V/Hz
characteristics
suitable for the
motor? (F_03, 04, 05)
Abnormal motor
heating.
Yes
No
No
No
Yes
Yes
Yes
No
Reduce the load or use
a Motor and Drive with
higher capacity.
Failure in motor
possible.
Possible Drive failure.
Contact GE Fuji Electric.