12 Error Lists
12-10
A.C51:
Overtravel Detection at
Pole Detection
An overtravel signal was detected
during polarity detection.
Check the position after
overtravel.
Perform the wiring for an
overtravel signal. Exe-
cute polarity detection at a
position where an over-
travel signal is not
detected.
A.C52:
Pole Detection Uncom-
pleted
The servo has been turned ON under
the following circumstances.
• An absolute linear scale is being
used.
• The polarity detection selection for
the absolute linear scale was set to
not execute. (Pn587.0 = 0)
• Polarity was not yet detected
-
When using an absolute
linear scale, set the
parameter Pn587.0 to 1 to
execute polarity detection.
A.C53:
Out of Range for Pole
Detection
The movement distance exceeded the
set value of Pn48E in the middle of
detection.
-
Increase the value of the
polarity detection range
(Pn48E). Or, increase the
polarity detection speed
loop gain (Pn481).
A.C54:
Pole Detection Error 2
External force was applied to the lin-
ear servomotor.
-
Increase the value of the
polarity detection confir-
mation force reference
(Pn495).
Increase the value of the
polarity detection allow-
able error range (Pn498).
(Note that increasing the
allowable error range will
also increase the motor
temperature.)
Alarm Number: Alarm
Name (Alarm
Description)
Cause Investigative Actions Corrective Actions
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