YASKAWA SGD7S series Product Manual page 141
Servopack with
ft/ex specification
for tracking application
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Also See for SGD7S series:
- Product manual (629 pages) ,
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- Product manual (576 pages)
Table of Contents
Alarm Number:
Possible Cause
Alarm Name
The surrounding tem-
perature is too high.
An overload alarm
was reset by turning
OFF the power sup-
ply too many times.
A.7A1:
There was an exces-
Internal Tempera-
sive load or operation
ture Error 1
was performed that
(Control Board
exceeded the regen-
Temperature
erative processing
Error)
capacity.
The SERVOPACK
installation orientation
is not correct or there
is insufficient space
around the SERVO-
PACK.
A failure occurred in
the SERVOPACK.
The surrounding tem-
perature is too high.
An overload alarm
was reset by turning
OFF the power sup-
ply too many times.
A.7A2:
There was an exces-
Internal Tempera-
sive load or operation
ture Error 2
was performed that
(Power Board
exceeded the regen-
Temperature
erative processing
Error)
capacity.
The SERVOPACK
installation orientation
is not correct or there
is insufficient space
around the SERVO-
PACK.
A failure occurred in
the SERVOPACK.
A.7A3:
Internal Tempera-
ture Sensor Error
A failure occurred in
(An error
the SERVOPACK.
occurred in the
temperature sen-
sor circuit.)
4.2 SERVOPACKs with MECHATROLINK-III Communications References
Confirmation
Check the surrounding
temperature using a
thermostat. Or, check
the operating status
with the SERVOPACK
installation environment
monitor.
Check the alarm display
to see if there is an
overload alarm.
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.
Check the SERVOPACK
installation conditions.
–
Check the surrounding
temperature using a
thermostat. Or, check
the operating status
with the SERVOPACK
installation environment
monitor.
Check the alarm display
to see if there is an
overload alarm.
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.
Check the SERVOPACK
installation conditions.
–
–
4.2.3 Troubleshooting Alarms
Continued from previous page.
Correction
Decrease the surround-
ing temperature by
improving the SERVO-
PACK installation condi-
tions.
Change the method for
resetting the alarm.
Reconsider the load and
operating conditions.
Install the SERVOPACK
according to specifica-
tions.
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
Decrease the surround-
ing temperature by
improving the SERVO-
PACK installation condi-
tions.
Change the method for
resetting the alarm.
Reconsider the load and
operating conditions.
Install the SERVOPACK
according to specifica-
tions.
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
Continued on next page.
Reference
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4-73
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Troubleshooting
