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8. TROUBLESHOOTING
MELsEG-A
Motor drive unit failure.
I s there potential
noise
NO
+
Replace the unit.
interference?
A
'
AlSD71 error.
+
Contact Mitsubishi representa-
tive.
Is there potential noise interference?
i
YES
Take appropriate measures to prevent
noise interference.
Run signal cables away from power ca.
Use shielded twisted-pair cable for the
Ground the module correctly.
Install the module away from noise
bles.
signal cable.
sources.
8 - 1 2
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