Omron OMNUC G5 R88M-K series User Manual page 421

Symptom
Servo Lock state does not
occur.
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
Probable cause
The power cable is not
connected correctly.
The motor power is not on.
The Forward or Reverse
Drive Prohibition (POT or
NOT) signal is OFF.
The torque limit is set to 0.
The torque command value
is set to 0 while the host
controller commands the
torque control.
The Servo Drive breaks
down.
11-4 Troubleshooting
Items to check
Check that the motor power
cable is connected properly.
Check the main circuit wiring
and power voltage.
• Check that the input for
Forward or Reverse Drive
Prohibition (POT or NOT) is
not OFF.
• Check the input of +24 VIN
to CN1.
Check that the torque limits on
No.1 Torque Limit (Pn013)
and the No.2 Torque Limit
(Pn522) are not set to 0.
Check the control mode set by
the host controller and the
given torque command.

Measures
Wire the cable correctly.
Input the correct power
and voltage for the main
circuit.
• Turn on the POT and
NOT.
• Input +24 VIN to CN1.
Set the maximum torque
to be used for each of
these parameters.
Change the setting of
control mode by the host
controller to position.
Check for the servo lock.
Replace the Servo Drive
with a new one.
11-28
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