Autonics AiC-D-20LA, User Manual

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13 Troubleshooting
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13 Troubleshooting
Malfunction Causes Troubleshooting
When communication
is not connected
The communication cable is not
connected.
Check communication cable wiring.
Check communication cable connection
correctly.
The communication port or
speed settings are not correct. Check communication port and speed
settings are correct.
When motor does not
excite
Servo is not ON.
Check that servo On/Off input signal is [L].
In case of [H], servo is off and excitation of
motor is released.
Alarm occurs.
Check the alarm type and remove the
cause of alarm.
When motor rotates to
the opposite direction
of the designated
direction
MotorDir parameter setting is
not correct.
Check the MotorDir parameter settings.
When motor drive is
unstable
Connection between motor and
encoder is unstable. Check the Motor+Encoder connection
cable.
Position control gain value is
not correct. Change the P Gain or I Gain parameter as
the certain value.