GE Industrial Solutions AF-300E$ - Manual (Page 108)

8-13
( 7 ) Overload
O L U
Overload Protection Overload Protection
of Drive Unit of Motor
O L
Is the electronic
thermal overload
relays characteristic
correct for the
motor's thermal
overload
characteristics?
Is the electronic
thermal overload
relay set correctly?
Set to the correct
level.
F U S
Short circuit might
be in the drive.
Contact GE Fuji
( 8 ) DC Link fuse blown
Is the load too
large? No
Install an external
thermal overload
relay in the motor
power circuit.
Failure in the
drive or noise
caused
misoperation
can be
considered.
Contact
GE Fuji
Reduce the load or
increase the drive
capacity
Yes
Yes
No
No
Yes