YASKAWA Sigma-7 Series Product Manual page 121

Alarm Number:
Possible Cause
Alarm Name
The data set in the
Position Correction
Table (pre-correction
positions and correc-
tion amounts) is cor-
rupted.
The Position Correc-
A.E94:
tion Table was set
Position Correc-
with values outside
tion Table
the setting range.
Setting Error
The pre-correction
positions in the Posi-
tion Correction Table
are not set in ascend-
ing order.
The correction posi-
tions calculated from
the pre-correction
positions and correc-
tion amounts in the
Position Correction
Table are not in
ascending order.
A timeout error
A.Ed1:
occurred for a
Command Exe-
MECHATROLINK
cution Timeout
command.
Confirmation
Initialize the Position Cor-
rection Table.
Restart the SERVOPACK
after initialization. If it
Check the pre-correc-
starts normally, set the
tion positions and cor-
Position Correction Table
rection amounts in the
again.
Position Correction
If the SERVOPACK does
Table.
not start normally after ini-
tialization, it may be faulty.
Replace the SERVO-
PACK.
Set the number of Posi-
tion Correction Table
entries between 2 and
128.
Set pre-correction posi-
tions, correction amounts,
and correction positions
Check if the table
between -2,147,483,648
entries, pre-correction
and 2,147,483,647.
positions, correction
Set the difference
amounts, correction
between one pre-correc-
positions (pre-correc-
tion position and the fol-
tion positions+correc-
lowing pre-correction
tion amounts) have
position between
exceeded the setting
-1,073,741,824 and
ranges.
1,073,741,823.
Set the difference
between one correction
amount and the following
correction amount
between -1,073,741,824
and 1,073,741,823.
Set the Position Correc-
Check if the pre-correc-
tion Table so that the pre-
tion positions are set in
correction positions are in
ascending order.
ascending order.
Check if the correction
Set the Position Correc-
positions (pre-correc-
tion Table so that the cor-
tion positions+correc-
rection positions are in
tion amounts) are set in
ascending order.
ascending order.
Execute the SV_ON or
Check the motor status
SENS_ON command only
when the command is
when the motor is not
executed.
operating.
Check the encoder sta- Execute the SENS_ON
tus when the command command only when an
is executed. encoder is connected.
6.1 Alarm Displays
6.1.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
page 3-8
page 3-20
page 3-7
page 3-7
page 3-7
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Continued on next page.
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