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Error Code
Must re-homing
Home position inaccurate
Fatal following error exceed
SmartShop|Maker Owner's Manual
Potential Issue(s)
MOT -002[Cannot back control
mode when move] or MOT
-0022[Home position inaccurate] is
triggered
1. Homing signal of motor is
abnormal.
2. Stopper, coupling or bearings
is not locked tightly.
1. Servo motor doesn't receive
control due to external force.
2. Parameter of drive – inner loop
gain is too small.
3. Parameters of acceleration and
deceleration time is set too
short.
4. Encoder is abnormal or
connecting encoder to
controller is abnormal.
Resolution(s)
See MOT -0020 or MOT – 0022-
alarm
1. Move motor in the same
direction and observe to
check whether position
counter index changes
normally.
2. Check whether the
mechanism components are
fixed properly.
1. Check the external motion
of machine table.
2. Check the setting parameter
of drive.
3. Check the acceleration and
deceleration setting of each
axis, parameters 401,541-
560.
4. Maintain the connection
between encoder and servo
drives.
51
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