Omron Junma ML-II SJDE-02ANA-OY, Manual

Page: 147 / 170

8.3 Alarm/Warning Display and Troubleshooting
145
A.bF0
System
Alarm 0 Occurred when the
power supply was
turned ON or while
the servomotor was
running. The SERVOPACK is faulty. • Replace the SERVOPACK.
• Contact your Omron
Yaskawa representative.
A.bF1
System
Alarm 1
A.bF2
System
alarm 2
A.bF3
System
Alarm 3
A.bF4
System
Alarm 4
A.bFA
System
Alarm A
A.C10
Servo Over-
run
Detected Occurred when the
power supply was
turned ON. The SERVOPACK is faulty. • Replace the SERVOPACK.
• Contact your Omron
Yaskawa representative.
Occurred when the
servo was turned
ON or when the ref-
erence was input. The order of phases U, V,
and W in the servomotor
wiring is incorrect. Correct the servomotor main
circuit cable wiring.
The encoder is faulty. • Replace the servomotor.
• Contact your Omron
Yaskawa representative.
The SERVOPACK is faulty. • Replace the SERVOPACK.
• Contact your Omron
Yaskawa representative.
A.C20
A.C50
A.C90
Incorrect
Phase
Detection
Incorrect
Polarity
Detection
Encoder
Signal Error
Occurred when the
power supply was
turned ON or while
the servomotor was
running. The encoder wiring and the
contact are incorrect. Correct the encoder wiring.
Noise interference because
of incorrect specifications of
encoder cable. Use twisted-pair or twisted-
pair shielded wire with a core
of at least 0.12 mm
2
.
Noise interference because
the wiring distance for the
encoder cable is too long. The wiring distance for the
encoder cable must be 20 m
max.
The encoder cable is dis-
connected. Replace the encoder cable.
The encoder is faulty. • Replace the servomotor.
• Contact your Omron
Yaskawa representative.
The SERVOPACK is faulty. • Replace the SERVOPACK.
• Contact your Omron
Yaskawa representative.
(cont’d)
Alarm
Display
Alarm Name Situation at Alarm
Occurrence
Cause Corrective Actions
TOEP_C710806_03A_1_0.book Seite 145 Montag, 2. Juli 2007 3:55 15