GE Industrial Solutions AF-300 MICRO-$AVER II - Manual (Page 69)

8-2
TROUBLESHOOTING
If the function of the Drive is lost by a failure or if an abnormal condition has occurred, refer to the following diagnosis
for its probable cause.
If the cause does not fall under the following explanation, or if the Drive is damaged, please contact GE Fuji Technical
Services for assistance.
( 1 ) Overcurrent
Overcurrent Overcurrent
during during Overcurrent at
acceleration deceleration constant speed
No No
O C 1 O C 2 O C 3
Is motor circuit (U,V, W) of motor shorted or grounded?
Is the load too large?
No
No
Repair
short-circuit
and/or
grounding.
Is the
deceleration
time setting
too short for
the load?
Is the torque
boost setting
correct? Does the load
change
suddenly?
Can the
deceleration
time be
increased?
Increase the
setting time.
Yes
Yes
Yes
Increase the
setting time.
No
No
Is the
acceleration
time setting too
short for the
load?
Can the
acceleration
time be
increased?
Yes
Yes
Yes
Reduce the
load fluctua-
tion or use a
Drive with
higher
capacity.
Reduce the
load fluctua-
tion or use a
Drive with
higher
capacity.
Yes
No
No
Yes
No No
Yes
Can the torque
boost setting
be reduced?
No No
Reduce the
torque boost
setting
No
Review the system
application.
Contact GE Fuji
Electric.
There is a
possibility of
Drive failure
or a motor
noise problem.
Contact GE Fuji
Electric.
Reduce the
load
fluctuation
or use a Drive
with higher
capacity.
There is the
possibility of
failure in the
Drive or a
noise problem.
Contact GE
Fuji Electric