YASKAWA SGD7S-180A - Page 151

8.1 Alarm Displays
8.1.2 Troubleshooting Alarms
8-11
8
Maintenance
A.051:
Unsupported
Device Alarm
The motor parameter
file was not written to
the linear encoder.
(This applies only
when not using a
Serial Converter Unit.)
Check to see if the
motor parameter file
was written to the lin-
ear encoder.
Write the motor parame-
ter file to the linear
encoder.
*1
An unsupported Serial
Converter Unit or
encoder (e.g., an
external encoder) is
connected to the
SERVOPACK.
Check the product
combination specifica-
tions.
Change to a correct com-
bination of models.
–
A.070:
Motor Type
Change Detected
(The connected
motor is a differ-
ent type of motor
from the previ-
ously connected
motor.)
A Rotary Servomotor
was removed and a
Linear Servomotor
was connected.
–
Set the parameters for a
Linear Servomotor and
reset the motor type
alarm. Then, turn the
power supply to the SER-
VOPACK OFF and ON
again.
*1
A Linear Servomotor
was removed and a
Rotary Servomotor
was connected.
–
Set the parameters for a
Rotary Servomotor and
reset the motor type
alarm. Then, turn the
power supply to the SER-
VOPACK OFF and ON
again.
*1
A.080:
Linear Encoder
Pitch Setting
Error
The setting of Pn282
(Linear Encoder Pitch)
has not been changed
from the default set-
ting.
Check the setting of
Pn282.
Correct the setting of
Pn282.
*1
A.0b0:
Invalid Servo ON
Command Alarm
The /S-ON (Servo ON)
signal was input from
the host controller
after a utility function
that turns ON the Ser-
vomotor was exe-
cuted.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. Or, execute a
software reset.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause Confirmation Correction Reference