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Troubleshooting

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ASDA-A3

AL06F The absolute position is not established

How to clear the

alarm?

Cycle power on the servo drive and re-establish the absolute origin position.

14

AL070 Encoder did not complete the read / write procedure

Trigger condition

and cause

Reading and writing commands are not complete.

Checking method Check if the wiring is correct and firmly connected. If not, correctly connect the wire

and corrective action again. Contact Delta if this error persists.

How to clear the

alarm?

Cycle power on the servo drive.

AL071 Number of revolutions of the encoder is in error

Trigger condition

and cause

Condition: the number of revolutions of the encoder is in error.

Cause: the internal signal of the encoder is abnormal causing error in the number

of revolutions of the encoder.

Checking method If you executed DI.ARST but the issue persists, send your servo motor back to the

and corrective action distributor or contact Delta.

How to clear the

alarm?

DI.ARST

AL072 Encoder overspeed

Trigger condition

and cause

1. When the encoder is powered by the servo drive: over 8,800 rpm.

2. When the encoder is powered by the battery: over 10,000 rpm.

3. Voltage level of the battery is too low.

1. Check if the motor is properly grounded. Make sure the ground end (green) of

the power cable is grounded to the servo drive heat sink.

2. Check if the connection for the encoder signal cable is normal. Make sure the

encoder signal cable is separated from the power supply or any high-current

cables to avoid interference.

Checking method 3. Use shielded cable for the encoder cable. Pull out the wire mesh and have it

and corrective action

correctly grounded.

4. Check the motor speed and make sure it is within the rated range.

5. Measure the battery voltage to see if it is below 3.1V.

6. Check if the battery wiring has poor contact.

How to clear the

alarm?

If the issue persists, send your servo motor back to the distributor or contact Delta.

Cycle power on the servo drive.

14-42

Send Quote Requests to info@automatedpt.com

Call +1(800)985-6929 To Order or Order Online At Deltaacdrives.com