YASKAWA SGD7S Product Manual page 433

Alarm Number:
Possible Cause
Alarm Name
A failure occurred in
the external encoder.
A.8A1:
External Encoder
A failure occurred in
Module Error
the Serial Converter
Unit.
A.8A2:
A failure occurred in
External Incre-
the external encoder.
mental Encoder
Sensor Error
A.8A3:
A failure occurred in
External Abso-
the external absolute
lute Encoder
encoder.
Position Error
A.8A5:
An overspeed error
External Encoder was detected in the
Overspeed external encoder.
A.8A6:
An overheating error
External Encoder was detected in the
Overheated external encoder.
A.b33:
A failure occurred in
the current detection
Current Detec-
circuit.
tion Error 3
There is a fault in the
A.b6A:
SERVOPACK
MECHATROLINK
MECHATROLINK
Communications
communications sec-
ASIC Error 1
tion.
A malfunction
occurred in the
MECHATROLINK
communications sec-
A.b6b:
tion due to noise.
MECHATROLINK
Communications
ASIC Error 2
There is a fault in the
SERVOPACK
MECHATROLINK
communications sec-
tion.
A.bF0: A failure occurred in
the SERVOPACK.
System Alarm 0
A.bF1:
A failure occurred in
System Alarm 1 the SERVOPACK.
Confirmation
Replace the external
–
encoder.
Replace the Serial Con-
–
verter Unit.
Replace the external
–
encoder.
The external absolute
encoder may be faulty.
Refer to the encoder
–
manufacturer's instruc-
tion manual for correc-
tions.
Check the maximum Keep the external
speed of the external encoder below its maxi-
encoder. mum speed.
Replace the external
–
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.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Implement the following
countermeasures against
noise.
• Check the MECHA-
TROLINK Communica-
–
tions Cable and FG
wiring.
• Attach a ferrite core to
the MECHATROLINK
Communications Cable.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
–
–
–
–
–
–
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Continued on next page.
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