YASKAWA SGDV User Manual page 180

Step Display after Operation
9
10
After executing advanced autotuning by reference, restart the SERVOPACK.
(2) Failure in Operation
When "NO-OP" Flashes on the Display
Probable Cause
The main circuit power supply was OFF.
An alarm or warning occurred.
Overtraveling occurred.
Gain setting 2 was selected by gain switching.
When "Error" Flashes on the Display
Error
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.
6.4 Advanced Autotuning by Reference (Fn202) (Pulse Train Reference)
Keys
Probable Cause
Machine vibration is occurring or the posi-
tioning completed signal (/COIN) is turning
ON and OFF when the servomotor is
stopped.
The positioning completed width is too nar-
row or proportional control (P control) is
being used.
Operation
Press the Key to save the settings. "DONE" will
flash for approximately two seconds and "RUN" will
be displayed.
Note: Not to save the values set in step 6, press the
Key. The display will return to that shown
in step 2.
Corrective Actions
Turn ON the main circuit power supply.
Remove the cause of the alarm or the warning.
Remove the cause of the overtravel.
Disable the automatic gain switching.
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.
(cont'd)
6
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