YASKAWA SGD7S Product Manual page 458

12.3 Warning Displays
12.3.2 Troubleshooting Warnings
Warning Number:
Warning Name
A.912:
Internal Tempera-
ture Warning 1
(Control Board Tem-
perature Error)
A.913:
Internal Tempera-
ture Warning 2
(Power Board Tem-
perature Error)
12-52
Possible Cause Confirmation
Check the surrounding
temperature using a
The surrounding thermostat. Or, check
temperature is too the operating status
high. with the SERVOPACK
installation environ-
ment monitor.
An overload alarm
was reset by turn- Check the alarm display
ing OFF the power to see if there is an
supply too many overload alarm.
times.
There was an Use the accumulated
excessive load or load ratio to check the
operation was load during operation,
performed that and use the regenera-
exceeded the tive load ratio to check
regenerative pro- the regenerative pro-
cessing capacity. cessing capacity.
The SERVOPACK
installation orien-
tation is not cor- Check the SERVO-
rect or there is PACK installation con-
insufficient space ditions.
around the SER-
VOPACK.
A failure occurred
in the SERVO- –
PACK.
Check the surrounding
temperature using a
The surrounding thermostat. Or, check
temperature is too the operating status
high. with the SERVOPACK
installation environ-
ment monitor.
An overload alarm
was reset by turn- Check the alarm display
ing OFF the power to see if there is an
supply too many overload alarm.
times.
There was an Use the accumulated
excessive load or load ratio to check the
operation was load during operation,
performed that and use the regenera-
exceeded the tive load ratio to check
regenerative pro- the regenerative pro-
cessing capacity. cessing capacity.
The SERVOPACK
installation orien-
tation is not cor- Check the SERVO-
rect or there is PACK installation con-
insufficient space ditions.
around the SER-
VOPACK.
A failure occurred
in the SERVO- –
PACK.
Continued from previous page.
Correction
Decrease the surrounding
temperature by improving
the SERVOPACK installa-
tion conditions.
Change the method for
resetting the alarm.
Reconsider the load and
operating conditions.
Install the SERVOPACK
according to specifications.
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
Decrease the surrounding
temperature by improving
the SERVOPACK installa-
tion conditions.
Change the method for
resetting the alarm.
Reconsider the load and
operating conditions.
Install the SERVOPACK
according to specifications.
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
Continued on next page.
Reference
page 3-7
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–
page 3-3,
page 3-6
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page 3-7
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–
page 3-3,
page 3-6
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