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Troubleshooting

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ASDA-A3

AL05E Position signal converter box communication failure

Condition: communication error occurs when the Delta position signal converter

box is connected to the CN2 connector.

Trigger condition

and cause

Cause:

1. A communication error occurred to the position signal converter box.

2. A communication error occurred during the Motor Parameter Identification

Wizard setting process.

1. Check the wiring of the position signal converter box.

2. Check for the encoder cable and connector which connect the motor and

CN2 of the servo drive to see if there is any poor wiring or damaged wires.

If so, replace the connector and cable.

3. Check the communication error rate by setting P0.002 to -80. If this value

increases continuously, it means there is interference. Check the following

Checking method

and corrective action

items:

(a) 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.

(b) 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.

have it correctly grounded.

How to clear the

alarm?

If you took all corrective actions but the issue persists, replace the motor.

Cycle power on the servo drive.

AL060 Absolute position is lost

Condition: losing the recorded number of revolutions because of low battery

voltage or loss of power.

Trigger condition

and cause

Cause:

1. Voltage level of the battery is too low.

2. The battery is replaced when the main power of the servo drive is off.

3. The battery is not installed when the absolute function is enabled.

4. Poor connection or disconnection of the battery power circuit.

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