YASKAWA SGDV-OCA05A - Page 464

14.2 Alarm Displays
14.2.2 Troubleshooting Alarms
14
Maintenance
14-23
A.7A1:
Internal Tempera-
ture Error 1
(Control Board
Temperature
Error)
The surrounding tem-
perature is too high.
Check the surrounding
temperature using a
thermostat. Or, check
the operating status
with the SERVOPACK
installation environment
monitor.
Decrease the surround-
ing temperature by
improving the SERVO-
PACK installation condi-
tions.
page 3-7
An overload alarm
was reset by turning
OFF the power sup-
ply 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 exces-
sive load or operation
was performed that
exceeded the regen-
erative processing
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 orientation
is not correct or there
is insufficient space
around the SERVO-
PACK.
Check the SERVOPACK
installation conditions.
Install the SERVOPACK
according to specifica-
tions.
page 3-4,
page 3-6
A failure occurred in
the SERVOPACK.
–
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
–
A.7A2:
Internal Tempera-
ture Error 2
(Power Board
Temperature
Error)
The surrounding tem-
perature is too high.
Check the surrounding
temperature using a
thermostat. Or, check
the operating status
with the SERVOPACK
installation environment
monitor.
Decrease the surround-
ing temperature by
improving the SERVO-
PACK installation condi-
tions.
page 3-7
An overload alarm
was reset by turning
OFF the power sup-
ply 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 exces-
sive load or operation
was performed that
exceeded the regen-
erative processing
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 orientation
is not correct or there
is insufficient space
around the SERVO-
PACK.
Check the SERVOPACK
installation conditions.
Install the SERVOPACK
according to specifica-
tions.
page 3-4,
page 3-6
A failure occurred in
the SERVOPACK.
–
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
–
A.7A3:
Internal Tempera-
ture Sensor Error
(An error
occurred in the
temperature sen-
sor circuit.)
A failure occurred in
the SERVOPACK.
–
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause Confirmation Correction Reference