YASKAWA SGMJV User Manual page 186

Step Display after Operation
6
7
8
(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.
HWBB operated.
 When "Error" Flashes on the Display
Error
The gain adjustment
was not successfully
completed.
The positioning complet-
ed signal
(/COIN) did not turn ON
within approximately 10
seconds after position-
ing adjustment was com-
pleted.
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.
5.4 Advanced Autotuning by Reference (Fn202)
Operation
Input a reference from the host controller and then
press the or Key to start the adjustment.
"ADJ" will flash during adjustment on the status dis-
play.
Note: Adjustment cannot be performed during "BB"
is shown on the status display.
When the adjustment has been completed normally,
"END" will flash for approximately two seconds and
"ADJ" will be displayed.
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 1.
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.
Disable the HWBB function.
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.
• Set 0 to V_PPI of OPTION field.
(cont'd)
5
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