YASKAWA SGD7S Product Manual page 465

Alarm Number:
Possible Cause
Alarm Name
A.EA0:
Initialization Error
(Communica-
A failure occurred in
tions initialization
the DeviceNet Mod-
failed between
ule.
the SERVOPACK
and the Com-
mand Option
Module.)
A.EA2:
An error occurred in
Alarm in Current
communications
Communications
between the Devi-
between the
ceNet Module and
DeviceNet Mod-
SERVOPACK during
ule and SERVO-
operation.
PACK 1
The delay between
activation of the
/HWBB1 and
A.Eb1:
/HWBB2 input sig-
Safety Function
nals for the HWBB
Signal Input Tim-
was ten second or
ing Error
longer.
A failure occurred in
the SERVOPACK.
A.EC8:
Gate Drive Error 1
(An error
occurred in the
gate drive circuit.)
A.EC9:
A failure occurred in
Gate Drive Error the SERVOPACK.
2
(An error
occurred in the
gate drive cir-
cuit.)
Processing of a Servo
ON command from
the Command Option
A.Ed1:
Module was not com-
Command Option
pleted.
Module IF Com-
munications
Processing of a Sen-
Command Time-
sor ON command
out Error
from the Command
Option Module was
not completed.
Confirmation
Replace the DeviceNet
–
Module.
Implement noise counter-
measures, such as
–
improving the frame
ground.
The output signal circuits
or devices for /HWBB1
and /HWBB2 or the SER-
VOPACK input signal cir-
Measure the time delay cuits may be faulty.
between the /HWBB1 Alternatively, the input sig-
and /HWBB2 signals. nal cables may be discon-
nected. Check to see if
any of these items are
faulty or have been dis-
connected.
Replace the SERVO-
–
PACK.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Input the Servo ON com-
mand when the motor is
–
stopped.
Check to confirm that the
encoder is connected
–
properly.
14.2 Alarm Displays
14.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
–
–
–
–
–
–
Continued on next page.
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