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How do I fix an F68 Over Voltage Control Warningcode for a DG1 drive?

The over voltage control warning is an indication that the drive is in the over voltage limit but is not high enough for the fault condition. This is typically an indication that the deceleration is to fast, the drive will decelerate the motor but the inertia in the motor is too great to decelerate that fast. Cause the motor to regenerate voltage back into the drive causing the DC bus to rise. When the drive goes into this state it prevents the drive from decelerating at the rate specified until the voltage drops.