3.2 Operating Procedures for Utility Functions
3.2.28 Advanced Autotuning without Reference (Fn201)
3-77
The /COIN signal
did not turn ON
within approxi-
mately 10 seconds
after positioning
adjustment was
completed.
The positioning completed
width is too narrow or pro-
portional control (P control)
is being used.
Increase the setting of
Pn522. If proportional con-
trol is set, turn OFF the /P-
CON (Proportional Control)
signal.
The moment of
inertia was not
calculated while
the tuning-less
function was
enabled.
Jcalc was set to OFF when
the tuning-less function was
enabled.
• Disable the tuning-less
function.
• Set Jcalc to ON.
Continued from previous page.
Error Probable Cause Corrective Action
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