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oPr fault code in yaskawa R1000 drive

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Cause : External Digital Operator Connection Fault comes when the external operator has been disconnected from the drive.

External operator is not properly connected to the drive:
1. Check the connection between the operator and the drive.
2. Replace the cable if damaged.
3. Turn off the drive input power and disconnect the operator. Reconnect the operator and reapply drive input power.

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