YASKAWA E-V Series User Manual page 212

Step Display after Operation
8
9
(2) Failure in Operation
If "NO-OP" or "Error" blinks for approximately two seconds during adjustment, the adjustment will be
stopped. After the adjustment is canceled, "NO-OP" or "Error" will be changed to "RUN" or "BB".
Probable Causes of "NO-OP" Blinking
• The main circuit power supply is OFF.
• An alarm or warning has occurred.
• An overtravel has occurred.
• A SigmaWin+ communications error has occurred.
• Gain setting 2 is selected by gain switching.
Press the Key and stop the adjustment once, and take a corrective action to enable operation.
Probable Causes of "Error" Blinking and Remedies
Press the Key and stop the adjustment once, and take the following remedies to enable operation.
Error
The positioning
completion signal
(/COIN) did not turn ON
within approximately 10
seconds after
positioning adjustment
was completed.
The gain dropped below
the minimum adjustable
gain.
Keys
Probable Cause
The positioning completion width is too
small or P control operation (proportional
control) is being used.
Machine vibration is occurring or the posi-
tioning completion signal (/COIN) is turning
ON and OFF.
6.4 Advanced Autotuning by Reference (Fn202)
Operation
Press the Key. The adjusted values will be writ-
ten to the SERVOPACK, "DONE" will blink for two
seconds.
Not to save the values set in step 6, press the
Key.
Press the Key to complete the advanced autotun-
ing by reference operation. The screen in step 1 will
appear again.
Corrective Actions
Increase the set value for Pn522. If the P
control is set, disable the mode switch.
Increase the set value for Pn522. If there is
machine vibration, suppress the vibration
with the anti-resonance control adjustment
function, and the vibration suppression
function.
6
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