YASKAWA SGD7S series Product Manual page 527

Warning Number:
Possible Cause
Warning Name
The surrounding
temperature is too
high.
An overload alarm
was reset by turn-
ing OFF the power
supply too many
times.
A.912:
There was an
excessive load or
Internal Tempera-
operation was
ture Warning 1
performed that
(Control Board Tem-
exceeded the
perature Error)
regenerative pro-
cessing capacity.
The SERVOPACK
installation orien-
tation is not cor-
rect or there is
insufficient space
around the SER-
VOPACK.
A failure occurred
in the SERVO-
PACK.
The surrounding
temperature is too
high.
An overload alarm
was reset by turn-
ing OFF the power
supply too many
times.
A.913:
There was an
Internal Tempera- excessive load or
ture Warning 2 operation was
(Power Board Tem- performed that
perature Error) exceeded the
regenerative pro-
cessing capacity.
The SERVOPACK
installation orien-
tation is not cor-
rect or there is
insufficient space
around the
SERVOPACK.
A failure occurred
in the SERVO-
PACK.
Confirmation
Check the surrounding
temperature using a
Decrease the surrounding
thermostat. Or, check
temperature by improving
the operating status
the SERVOPACK installa-
with the SERVOPACK
tion conditions.
installation environ-
ment monitor.
Check the alarm display
Change the method for
to see if there is an
resetting the alarm.
overload alarm.
Use the accumulated
load ratio to check the
load during operation,
Reconsider the load and
and use the regenera-
operating conditions.
tive load ratio to check
the regenerative pro-
cessing capacity.
Check the SERVO-
Install the SERVOPACK
PACK installation con-
according to specifications.
ditions.
The SERVOPACK may be
– faulty. Replace the SERVO-
PACK.
Check the surrounding
temperature using a
Decrease the surrounding
thermostat. Or, check
temperature by improving
the operating status
the SERVOPACK installa-
with the SERVOPACK
tion conditions.
installation environ-
ment monitor.
Check the alarm display
Change the method for
to see if there is an
resetting the alarm.
overload alarm.
Use the accumulated
load ratio to check the
load during operation,
Reconsider the load and
and use the regenera-
operating conditions.
tive load ratio to check
the regenerative pro-
cessing capacity.
Check the SERVO-
Install the SERVOPACK
PACK installation con-
according to specifications.
ditions.
The SERVOPACK may be
– faulty. Replace the SERVO-
PACK.
12.3 Warning Displays
12.3.2 Troubleshooting Warnings
Continued from previous page.
Correction Reference
page 3-7
–
–
page 3-3,
page 3-6
–
page 3-7
–
–
page 3-3,
page 3-6
–
Continued on next page.
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