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11-25
11-4 Troubleshooting
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
11
Error and Maintenance
90
CONNECT error
Occurs when the
operation starts up.
• A communications
error occurred when a
MECHATROLINK-II
communications
CONNECT command
is received.
• Wire the
MECHATROLINK-II
communications cable
correctly.
• Connect the
Terminating Resistor
correctly.
• Confirm the
MECHATROLINK-II
communications cable
do not have excessive
noise. Mount a ferrite
core to the
communications cable.
91
SYNC command error
Occurs when the
operation starts up.
• During asynchronous
MECHATROLINK-II
communications, a
synchronous type of
command was issued.
• Confirm the command
sent by the host
controller.
92
Encoder data
restoration error
Occurs when the power is
turned ON
• In semi-closing control,
initialization of internal
position data is not
processed correctly.
• Apply the correct
power voltage for the
long encoder wire.
• Install the motor power
line separately from the
encoder wire.
• Connect the shield
cable to FG.
• In FULL CLOSING
CONTROL mode,
initialization of internal
position data is not
processed correctly.
• Apply the correct
power voltage for the
long connection cable
for the external
encoder.
• Install the motor power
line separately from the
encoder wire.
• Connect the shield
cable to FG.
Alarm
number
Error conditions
Status when error
occurs
Cause
Measures
ABS