YASKAWA E-7S SERVOPACK SGD7S

15.3 Warning Displays
15.3.2 Troubleshooting Warnings
15-57
15
Maintenance
A.912:
Internal Tempera-
ture Warning 1
(Control Board Tem-
perature Error)
The surrounding
temperature is too
high.
Check the surrounding
temperature using a
thermostat. Or, check
the operating status
with the SERVOPACK
installation environ-
ment monitor.
Decrease the surrounding
temperature by improving
the SERVOPACK installa-
tion conditions.
page 3-7
An overload alarm
was reset by turn-
ing OFF the power
supply too many
times.
Check the alarm display
to see if there is an
overload alarm.
Change the method for
resetting the alarm.
–
There was an
excessive load or
operation was
performed that
exceeded the
regenerative pro-
cessing capacity.
Use the accumulated
load ratio to check the
load during operation,
and use the regenera-
tive load ratio to check
the regenerative pro-
cessing capacity.
Reconsider the load and
operating conditions.
–
The SERVOPACK
installation orien-
tation is not cor-
rect or there is
insufficient space
around the SER-
VOPACK.
Check the SERVO-
PACK installation con-
ditions.
Install the SERVOPACK
according to specifications.
page 3-4,
page 3-7
A failure occurred
in the SERVO-
PACK.
–
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
–
A.913:
Internal Tempera-
ture Warning 2
(Power Board Tem-
perature Error)
The surrounding
temperature is too
high.
Check the surrounding
temperature using a
thermostat. Or, check
the operating status
with the SERVOPACK
installation environ-
ment monitor.
Decrease the surrounding
temperature by improving
the SERVOPACK installa-
tion conditions.
page 3-7
An overload alarm
was reset by turn-
ing OFF the power
supply too many
times.
Check the alarm display
to see if there is an
overload alarm.
Change the method for
resetting the alarm.
–
There was an
excessive load or
operation was
performed that
exceeded the
regenerative pro-
cessing capacity.
Use the accumulated
load ratio to check the
load during operation,
and use the regenera-
tive load ratio to check
the regenerative pro-
cessing capacity.
Reconsider the load and
operating conditions.
–
The SERVOPACK
installation orien-
tation is not cor-
rect or there is
insufficient space
around the SER-
VOPACK.
Check the SERVO-
PACK installation con-
ditions.
Install the SERVOPACK
according to specifications.
page 3-4,
page 3-7
A failure occurred
in the SERVO-
PACK.
–
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
–
Continued on next page.
Continued from previous page.
Warning Number:
Warning Name
Possible Cause Confirmation Correction Reference