YASKAWA Σ-V Series User Manual page 166

5 Adjustments
5.4.2 Advanced Autotuning by Reference Procedure
Step
8
9
(2) Failure in Operation
This section describes the causes and corrective actions in case the operation has not been successfully com-
pleted.
If "NO-OP" is shown
The main circuit power supply was OFF.
An alarm or warning occurred.
Overtraveling occurred.
Gain setting 2 was selected by gain switching.
The HWBB function operated.
If "Error" is shown
The gain adjustment
was not successfully
completed.
The positioning
completed signal
(/COIN) did not turn ON
within approximately 10
seconds after
positioning adjustment
was completed.
5-28
Display after Operation
To enable the change in the setting, turn OFF the power and ON again.
Probable Cause
Error
Machine vibration is occurring or the posi-
tioning completed signal (/COIN) is repeat-
edly turning ON and OFF.
The positioning completed width is too nar-
row or the proportional control (P control) is
being used.
Keys
Press the
ten to the SERVOPACK, "DONE" will blink for
approx. 2 seconds, and then "RUN" will be dis-
played.
Note: Not to save the values set in step 6, press the
Turn ON the main circuit power supply.
Remove the cause of the alarm or the warning.
Remove the cause of the overtravel.
Turn OFF the automatic gain switching.
Cancel the HWBB function.
Probable Cause
Operation
Key. The adjusted values will be writ-
Key. The display will return to the display
in step 1.
Corrective Actions
Corrective Actions
• Increase the set value for Pn522.
• Change the mode from 2 to 3.
• If machine vibration occurs, suppress the
vibration with the anti-resonance control
adjustment function and the vibration sup-
pression function.
• Increase the set value for Pn522.
• If P control is used, turn OFF the /P-CON
signal.