Autonics AiC Series, User Manual

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12 Troubleshooting
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12 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.