YASKAWA E-7S SERVOPACK SGD7S - Troubleshooting Problems in Autotuning Without a Host Reference

8.6 Autotuning without Host Reference
8.6.5 Troubleshooting Problems in Autotuning without a Host Reference
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Tuning
10. When tuning has been completed, click the Finish Button.
The results of tuning will be set in the parameters and you will return to the Tuning Dialog Box.
This concludes the procedure to perform autotuning without a host reference.
8.6.5 Troubleshooting Problems in Autotuning without a Host
Reference
The following tables give the causes of and corrections for problems that may occur in autotun-
ing without a host reference.
 Autotuning without a Host Reference Was Not Performed
Possible Cause Corrective Action
Main circuit power supply is OFF. Turn ON the main circuit power supply.
An alarm or warning occurred. Remove the cause of the alarm or warning.
Overtraveling occurred. Remove the cause of overtraveling.
The second gains were selected with the gain selection. Disable automatic gain switching.
The HWBB was activated. Release the HWBB.
The setting of the travel distance is too small.
Set the travel distance again in step 6 of the proce-
dure.
The settings for the tuning-less function are not correct.
• Disable the tuning-less function (Pn170 =
n.0).
• Enable the tuning-less function (Pn170 =
n.1) and specify moment of inertia estima-
tion.