YASKAWA SIGMA-7 Series - Page 110

6.1 Alarm Displays
6.1.2 Troubleshooting Alarms
6-22
A.b33:
Current Detec-
tion Error 3
A failure occurred in
the current detection
circuit.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.b6A:
MECHATROLINK
Communications
ASIC Error 1
There is a fault in the
SERVOPACK
MECHATROLINK
communications sec-
tion.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.b6b:
MECHATROLINK
Communications
ASIC Error 2
A malfunction
occurred in the
MECHATROLINK
communications sec-
tion due to noise.
–
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.
–
There is a fault in the
SERVOPACK
MECHATROLINK
communications sec-
tion.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.bF0:
System Alarm 0
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.bF1:
System Alarm 1
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.bF2:
System Alarm 2
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.bF3:
System Alarm 3
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.bF4:
System Alarm 4
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If the alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause Confirmation Correction Reference