Question about Mitsubishi Electric FR-A720-00610-NA Mitsubishi A700 Variable Frequency Drive, 20HP 240V

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I M USING A700 VARIABLE FREQUENCY DRIVE WITH 130 TON INJECTION MOLDING MC,BUT WHEN MOTOR START DISPLAYING THE PROBLEM E.GF ,PLS TELL ME THE SOLUTION....

I M USING A700 VARIABLE FREQUENCY DRIVE WITH 130 TON INJECTION MOLDING MC,BUT WHEN MOTOR START DISPLAYING THE PROBLEM E.GF(EGF){OUTPUT EARTH PROBLEM} ,PLS TELL ME THE SOLUTION....

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