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Troubleshooting

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ASDA-A3

AL063 Linear scale signal error

How to clear the

alarm?

DI.ARST or cycle power on the servo drive.

14

AL064 Encoder vibration warning

Trigger condition

and cause

Condition: abnormal vibration occurred in the encoder.

Cause: the internal signal or mechanical part of the encoder is abnormal,

so the encoder returns a warning signal.

Checking method

and corrective action

Check if the motor vibration range is within the warning range (2.0 to 2.5 G). If the

vibration is below the warning range but the alarm still occurs, send your servo

motor back to the distributor or contact Delta.

How to clear the

alarm?

DI.ARST or cycle power on the servo drive.

AL066 Number of revolutions of the absolute encoder overflows (issued by servo drive)

Condition: the number of revolutions of the absolute motor (P0.051) exceeds half

the number of revolutions of the encoder resolution.

Trigger condition

and cause

1. The number of revolutions of a Delta motor is -32768 to +32767.

2. For third-party motors, calculate the number of revolutions based on the motor

specifications.

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

1. Check if the motor’s number of revolutions during operation is within the

specified range. If not, re-establish the absolute origin position.

Checking method

and corrective action

2.

Make sure you have enabled the function for preventing rotary axis position

loss when an overflow occurs. If it is disabled, set P2.069.Z to 1 to enable the

function.

How to clear the

alarm?

Re-establish the absolute origin position.

AL067 Encoder temperature warning

Trigger condition

and cause

Condition: the encoder temperature is over the warning level of 85°C (185°F),

but still under 100°C (212°F), which is within the protective range.

Cause: encoder temperature warning (85°C to 100°C).

Set P0.002 to -124 to read the encoder temperature and check if it matches the

Checking method motor temperature. If the temperature is too high, improve the heat dissipation or

and corrective action decrease the operating temperature. If the temperature difference between the

encoder and motor is over 30°C (86°F), send the servo motor back to Delta.

How to clear the

alarm?

Cycle power on the servo drive.

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