YASKAWA SGD7S Product Manual page 478

Alarm Number:
Possible Cause
Alarm Name
The servo was turned
ON after the position
A.d01:
deviation exceeded
Position Devia-
the setting of Pn526
tion Overflow
(Excessive Position
Alarm at Servo
Deviation Alarm Level
ON
at Servo ON) while the
servo was OFF.
If position deviation
remains in the devia-
tion counter, the set-
ting of Pn529 or
Pn584 (Speed Limit
A.d02: Level at Servo ON)
limits the speed when
Position Devia-
the servo is turned
tion Overflow
ON. This alarm occurs
Alarm for Speed
if a position reference
Limit at Servo ON
is input and the set-
ting of Pn520 (Exces-
sive Position Deviation
Alarm Level) is
exceeded.
The motor direction
and external encoder
installation orientation
A.d10:
are backward.
Motor-Load Posi-
tion Deviation
Overflow
There is an error in the
connection between
the load (e.g., stage)
and external encoder
coupling.
A.d30:
The position data
exceeded
Position Data
±1,879,048,192.
Overflow
There is a faulty con-
nection between the
SERVOPACK and the
A.E00:
Command Option
Command Option
Module.
Module IF Initial-
A failure occurred in
ization Timeout
the Command Option
Error
Module.
A failure occurred in
the SERVOPACK.
Confirmation
Optimize the setting of
Check the position
Pn526 (Excessive Position
deviation while the
Deviation Alarm Level at
servo is OFF.
Servo ON).
Optimize the setting of
Pn520 (Excessive Position
Deviation Alarm Level). Or,
–
adjust the setting of
Pn529 or Pn584 (Speed
Limit Level at Servo ON).
Install the external
encoder in the opposite
Check the motor direc-
direction, or change the
tion and the external
setting of Pn002 =
encoder installation ori-
n.X (External
entation.
Encoder Usage) to
reverse the direction.
Check the coupling of Check the mechanical
the external encoder. coupling.
Check the input refer- Reconsider the operating
ence pulse counter. specifications.
Check the connection
Correctly connect the
between the SERVO-
Command Option Mod-
PACK and the Com-
ule.
mand Option Module.
Replace the Command
–
Option Module.
Replace the SERVO-
–
PACK.
14.2 Alarm Displays
14.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
page 8-7
page 10-6
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–
–
–
–
Continued on next page.
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