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UGR004/1200 Moducon Belt Conveyor
TROUBLESHOOTING 6-5
Symptom
The motor turns
in the wrong
direction.
Motor operation is
unstable and
vibrating.
Possible cause
The clockwise input and
the counterclockwise input
are incorrect or electrical
connection is wrong.
The motor rotates in the
opposite direction depend-
ing on gearhead speed
reduction ratio.
The centerline is not
aligned between the motor
(gearhead) output shaft and
load shaft.
The motor and gearhead
are not assembled correctly.
Solution
Set the inputs to the correct
positions: when CW input is at
level L the motor shaft rotates
clockwise; when the CCW input
is at level L it rotates counter-
clockwise. See
APPENDIX B:
AXU S
ERIES CONTROL.
Reverse the CW and CCW input
operations. See
APPENDIX B:
AXU S
ERIES CONTROL.
Check the connection between
the motor (gearhead) output
shaft and the load shaft. See
APPENDIX B: AXU SERIES
CONTROL.
Check how the motor and gear-
head are assembled. Check the
pinion shaft type. See
APPENDIX
B: AXU SERIES CONTROL.
For additional information on problems that may have been
caused by the speed control unit, see
APPENDIX B: AXU
S
ERIES C
ONTROL
.
BELT MOTOR
MOVEMENT IS
WRONG