11-29
11-4 Troubleshooting
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
11
Error and Maintenance
Servo Lock state does not
occur.
The power cable is not
connected correctly.
Check that the motor power
cable is connected properly.
Wire the cable correctly.
The motor power is not on. Check the main circuit wiring
and power voltage.
Input the correct power
and voltage for the main
circuit.
The Forward or Reverse
Drive Prohibition (POT or
NOT) signal is OFF.
• Check that the input for
Forward or Reverse Drive
Prohibition (POT or NOT) is
not OFF.
• Check the input of +24 VIN
to CN1.
• Turn on the POT and
NOT.
• Input +24 VIN to CN1.
The torque limit is set to 0. Check that the torque limits on
No.1 Torque Limit (Pn013)
and the No.2 Torque Limit
(Pn522) are not set to 0.
Set the maximum torque
to be used for each of
these parameters.
The torque command value
is set to 0 while the host
controller commands the
torque control.
Check the control mode set by
the host controller and the
given torque command.
Change the setting of
control mode by the host
controller to position.
Check for the servo lock.
The Servo Drive breaks
down.
Replace the Servo Drive
with a new one.
Symptom Probable cause Items to check Measures
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