Delta ASDA-A3 Series User Manual page 775

Troubleshooting
AL074 Encoder single-turn absolute position error
Trigger condition
and cause
13
Checking method
and corrective action
How to clear the
alarm?
AL075 Encoder absolute number of turns is in error
Trigger condition
and cause
Checking method
and corrective action
How to clear the
alarm?
AL077 Encoder internal error
Trigger condition
and cause
Checking method
and corrective action
How to clear the
alarm?
13-30
The single-turn position in the encoder is in error.
Check if the motor is properly grounded. Make sure the power cable is grounded
1.
to the servo drive heat sink.
Make sure the encoder signal cable is separated from the power supply or any
2.
high-current cables to avoid interference.
Use shielded cable for the encoder and pull out the shielded mesh and
3.
ground it.
Check the motor speed and make sure it is within the rated range.
4.
If the issue persists, send your servo drive back to the distributor or contact Delta.
Cycle power on the servo drive.
The absolute number of turns in the encoder is in error.
Check if the motor is properly grounded. Make sure the power cable is grounded
1.
to the servo drive heat sink.
Make sure the encoder signal cable is separated from the power supply or any
2.
high-current cables to avoid interference.
Use shielded cable for the encoder and pull out the shielded mesh and
3.
ground it.
Check the motor speed and make sure it is within the rated range.
4.
If the issue persists, send your servo drive back to the distributor or contact Delta.
Cycle power on the servo drive.
Encoder internal error (internal computing error)
Check if the motor is properly grounded. Make sure the power cable is grounded
1.
to the servo drive heat sink.
Make sure the encoder signal cable is separated from the power supply or any
2.
high-current cables to avoid interference.
Use shielded cable for the encoder and pull out the shielded mesh and
3.
ground it.
Check the motor speed and make sure it is within the rated range.
4.
If the issue persists, send your servo drive back to the distributor or contact Delta.
Cycle power on the servo drive.
ASDA-A3