YASKAWA SGM7D-30F Product Manual page 292

Alarm Number:
Possible Cause
Alarm Name
The surrounding tem-
perature around the
Servomotor is too
high.
The motor load is
greater than the rated
load.
A.861:
Motor Over-
A failure occurred in
heated
the Serial Converter
Unit.
A failure occurred in
the SERVOPACK.
The surrounding tem-
perature is too high.
The overheat protec-
tion input signal line is
disconnected or
short-circuited.
An overload alarm
was reset by turning
A.862:
OFF the power sup-
Overheat Alarm
ply too many times.
Operation was per-
formed under an
excessive load.
A failure occurred in
the SERVOPACK.
The sensor attached
to the machine is
faulty.
Setting the origin of
the absolute linear
encoder failed
A.8A0:
because the motor
External Encoder
moved.
Error
A failure occurred in
the external encoder.
A failure occurred in
the external encoder.
A.8A1:
External Encoder
A failure occurred in
Module Error
the Serial Converter
Unit.
3.5 FT83 SERVOPACKs with Analog Voltage/Pulse Train References
Confirmation
Measure the surround- Reduce the surrounding
ing temperature around air temperature of the
the Servomotor. Servomotor to 40° or less.
Check the load with the
Operate the Servo Drive
accumulated load ratio
so that the motor load
on the Motion Monitor
remains within the speci-
Tab Page on the Sig-
fied range.
maWin+.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the Serial Con-
–
verter Unit may be faulty.
Replace the Serial Con-
verter Unit.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Lower the surrounding
Check the surrounding
temperature by improving
temperature using a
the installation conditions
thermostat.
of the machine.
Check the input voltage
with the overheat pro-
Repair the line for the
tection input information
overheat protection input
on the Motion Monitor
signal.
Tab Page on the Sig-
maWin+.
Check the alarm display
Change the method for
to see if there is an
resetting the alarm.
overload alarm.
Use the accumulated
Reconsider the load and
load ratio to check the
operating conditions.
load during operation.
The SERVOPACK may be
– faulty. Replace the
SERVOPACK.
The sensor attached to
the machine may be
–
faulty. Repair the sensor
attached to the machine.
Before you set the ori-
gin, use the fully-closed The motor must be
feedback pulse counter stopped while setting the
to confirm that the origin position.
motor is not moving.
Replace the external
–
encoder.
Replace the external
–
encoder.
Replace the Serial Con-
–
verter Unit.
3.5.3 Troubleshooting Alarms
Continued from previous page.
Correction Reference
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*1
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Continued on next page.
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