Sanyo Denki SANMOTION 3E S, Instruction Manual, Page: 274 / 488

8. Maintenance
8-3
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Abnormal sound occurs
Investigation Assumed causes and corrective actions
Check whether there is any problem in
mechanical attachment.
■
Observe by operating servo motor by stand
alone.
■
Check that the coupling does not have core
shift or unbalance.
Operate at a low speed and check
whether abnormal sound has periodicity.
■
Confirm that the twisted pair and shield
processing of motor encoder signal line are
correct.
■
Confirm that the wiring for motor encoder line
and servo motor power line are not installed
in the same duct.
■
Confirm that the power supply voltage is
sufficient.
■
The multi-turn part of the absolute encoder cannot be cleared by clearing the encoder
although the absolute encoder that has multi-turn is used.
Investigation Assumed causes and corrective actions
Check the setting value of system
parameter.
■
Check that the set value of 0x20FF-2 is either
of 0x300 or 0x400.
■
Check that the set value of 0x20F1-1 is 0x00.