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12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
Alarm Number:
Alarm Name
A.b20:
Torque Refer-
ence A/D Error
(Detected when
the servo is
turned ON.)
A.b33:
Current Detec-
tion Error 3
A.bF0:
System Alarm 0
A.bF1:
System Alarm 1
A.bF2:
System Alarm 2
A.bF3:
System Alarm 3
12-28
Possible Cause
A malfunction
occurred in the read-
ing section for the
–
torque reference
input.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
the current detection
–
circuit.
Check for a disconnec-
The Servomotor Main
tion in the Servomo-
Circuit Cable is dis-
tor's Main Circuit
connected.
Cables.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
Confirmation
Reset the alarm and
restart operation.
Turn the power supply to
the SERVOPACK OFF and
ON again.
If an alarm still occurs, the
SERVOPACK may be
faulty.
Replace the SERVO-
PACK.
Turn the power supply to
the SERVOPACK OFF and
ON again.
If an alarm still occurs, the
SERVOPACK may be
faulty.
Replace the SERVO-
PACK.
Correct the Servomotor
wiring.
Turn the power supply to
the SERVOPACK OFF and
ON again.
If an alarm still occurs, the
SERVOPACK may be
faulty.
Replace the SERVO-
PACK.
Turn the power supply to
the SERVOPACK OFF and
ON again.
If an alarm still occurs, the
SERVOPACK may be
faulty.
Replace the SERVO-
PACK.
Turn the power supply to
the SERVOPACK OFF and
ON again.
If an alarm still occurs, the
SERVOPACK may be
faulty.
Replace the SERVO-
PACK.
Turn the power supply to
the SERVOPACK OFF and
ON again.
If an alarm still occurs, the
SERVOPACK may be
faulty.
Replace the SERVO-
PACK.
Continued from previous page.
Reference
Correction
for Correc-
tion
page 12-40
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Table of Contents
Troubleshooting
