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6-2 Troubleshooting MN1940

6.1.4 Motor controlproblems
Symptom Check
Controller outputs
appearst o be
working, but will not
causeDSM to turn.
Check that theD SMis pow ered.
Check that the logic connections between motor and controller are
correct.
Confirmthat the s ense of the enable input is correct to enable the
motor(section 4.3.1.3).
Controller reports
thatthe DS M is not
movingand drops
theenable line.
Ifthe cont roller is expecting a feedback signal but does not receiv e
one,it may as sume the DSM is not turning. This could cause the
controller to report a following error, to disable the DSM, or both.