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ASDA-A3

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Troubleshooting

AL060 Absolute position is lost

1. Check if the battery voltage is below 2.9V. Re-establish the absolute origin

position after replacing the battery.

2. Do not replace or remove the battery when the servo drive’s main power is off.

3. Follow these instructions:

Checking method

and corrective action

(a) Install the battery.

(b) Check the wiring between the battery box and the servo drive.

(c) Check the encoder wiring.

4. Ensure the wiring is correct so that the battery power is supplied to the

encoder and then re-establish the absolute origin position.

How to clear the

alarm?

Connect or reconnect the wiring so that the battery power is supplied to the

encoder and then re-establish the absolute origin position. Refer to Chapter 10 for

more information on the absolute servo system.

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AL061 Encoder undervoltage

Trigger condition

and cause

Condition: voltage level of the absolute encoder battery is lower than the rated

value (3.1V).

Cause: voltage level of the battery is too low.

1. Read the battery voltage with monitoring variable 26h to see if it is below 3.1V.

Checking method

and corrective action

2.

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

If the voltage is too low, replace the battery when the servo drive’s main power is On.

How to clear the

alarm?

The alarm is cleared automatically when the voltage level is higher than 3.1V.

AL062 Number of revolutions of the absolute encoder overflows (issued by encoder)

Trigger condition

and cause

Condition: the number of revolutions of the absolute motor exceeds the range of

-32768 to +32767.

Cause: motor’s rotation cycle exceeds the allowable range.

Checking method Check if the number of revolutions of the motor during operation is within the range

and corrective action of -32768 to +32767. If not, re-establish the absolute origin position.

How to clear the

alarm?

Cycle power on the servo drive.

AL063 Linear scale signal error

Trigger condition

and cause

An error occurred to the linear scale original signal.

Checking method

and corrective action

Check if the linear scale and read head are installed correctly, and then set

DI.ARST to On or cycle power on the servo drive.

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

Send Quote Requests to info@automatedpt.com

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

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