YASKAWA E-7S SERVOPACK SGD7S Product Manual page 538

Alarm Number:
Possible Cause
Alarm Name
The surrounding air
temperature around
the Servomotor is too
high.
A.860:
Encoder Over-
The Servomotor load
heated
is greater than the
(Detected when a
rated load.
Rotary Servomo-
tor, Absolute Lin-
ear Encoder, or
Direct Drive Ser-
vomotor is con-
A failure occurred in
nected. However,
the encoder.
SGMCS Incre-
mental Encoder
specifications are
excluded.)
(Detected at the
encoder.)
A failure occurred in
the SERVOPACK.
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.
Confirmation
Reduce the surrounding
Measure the surround-
air temperature of the
ing air temperature
Servomotor to 40°C or
around the Servomotor.
less.
Operate the Servo Drive
Use the accumulated
so that the motor load
load ratio to check the
remains within the speci-
load.
fied range.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the Servomotor or
–
absolute linear encoder
may be faulty. Replace the
Servomotor or absolute
linear encoder.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
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.
15.2 Alarm Displays
15.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
page 9-3
–
–
–
page 9-3
–
–
Continued on next page.
15
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