4 motor control problems – Baldor MN1940 User Manual
Page 34
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6-2 Troubleshooting
MN1940
6.1.4 Motor control problems
Symptom
Check
Controller outputs
appears to be
working, but will not
cause DSM to turn.
Check that the DSM is powered.
Check that the logic connections between motor and controller are
correct.
Confirm that the sense of the enable input is correct to enable the
motor (section 4.3.1.3).
Controller reports
that the DSM is not
moving and drops
the enable line.
If the controller is expecting a feedback signal but does not receive
one, it may assume the DSM is not turning. This could cause the
controller to report a following error, to disable the DSM, or both.
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