4.2 Warning Displays
4.2.1 List of Warnings
4-5
4
Maintenance
4.2
Warning Displays
If a warning occurs in the SERVOPACK, an alarm number will be displayed on the panel dis-
play. Warnings are displayed to warn you before an alarm occurs.
This section provides a list of warnings and the causes of and corrections for warnings.
4.2.1
List of Warnings
The list of warnings gives the warning name, warning meaning, and warning code in order of
the warning numbers.
If “All Axes” is given below the warning number, the warning applies to both axes. If a warning
occurs for one axis, the same warning status will occur for the other axis.
Note: A warning code is not output unless you set Pn001 to n.1
(Output both alarm codes and warning
codes).
4.2.2
Troubleshooting Warnings
The causes of and corrections for the warnings are given in the following table. Contact your
Yaskawa representative if you cannot solve a problem with the correction given in the table.
Warning
Number
Warning Name
Meaning
Warning Code
Output
ALO1 ALO2 ALO3
A.942
Speed Ripple Com-
pensation Information
Disagreement
The speed ripple compensation information
stored in the encoder does not agree with the
speed ripple compensation information stored in
the SERVOPACK.
H
H
L
A.9b0
Preventative Mainte-
nance Warning
One of the consumable parts has reached the
end of its service life.
H
L
H
Warning Number:
Warning Name
Possible Cause
Confirmation
Correction
Refer-
ence
A.942:
Speed Ripple Com-
pensation Informa-
tion Disagreement
The speed ripple
compensation
information stored
in the encoder
does not agree
with the speed
ripple compensa-
tion information
stored in the SER-
VOPACK.
–
Reset the speed ripple
compensation value on the
S.
–
Set Pn423 to n.
1
(Do
not detect A.942 alarms).
However, changing the set-
ting may increase the speed
ripple.
–
–
Set Pn423 to n.
0
(Disable torque ripple com-
pensation). However,
changing the setting may
increase the speed ripple.
–
A.9b0:
Preventative Mainte-
nance Warning
One of the con-
sumable parts has
reached the end
of its service life.
–
Replace the part. Contact
your Yaskawa representa-
tive for replacement.
–
Summary of Contents for SERVOPACK Sigma 7S Series
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