Mitsubishi Electric MELSEC-Q Series User Manual page 788

Classification Error
Error name
of errors code
Encoder
1201 HPR data incorrect
errors
Servo
2000 Servo amplifier error
amplifier
Error
• The backup data for absolute position
restoration is illegal.
• The home position return has never been
executed after the system starts.
• The home position return is started, but
not completed correctly.
• The servo alarm "Absolute position
erased" (alarm No.: 25) or the servo
warning "Absolute position counter
warning" (warning No.: E3) occurred.
• "Rotation direction selection/travel
direction selection (PA14)" of the servo
parameter is changed.
Alarm occurs on the servo amplifier.
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Chapter 16 Troubleshooting
Operation status at error occurrence
The operation continues.
The operation stops.