oPL fault in Emotron VSB Drive

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oPL fault indicates Output phase loss. This means one or more phases in the power being delivered from the inverter to the motor are disconnected or severely unbalanced. Possible Causes: 1: Motor cable connection abnormal. 2: Imbalance among motor three phases. 3: Incorrect setting of vector control parameters. Solutions: 1: Check motor connection. 2: Check or replace the motor. 3: Correctly set vector control parameters.

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