Delta ME300 Series Drive
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Apr 23, 2022 7:33 am
How can resolve problem ovA Over-voltage during acceleration fault in delta ME300 series drive ?
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Apr 23, 2022 7:34 am
Cause : DC bus over-voltage during acceleration. When ovA occurs, the drive closes the gate of the output, the motor runs freely, and the display shows an ovA error.
Decrease the acceleration time.
Use brake unit or DC bus.
Replace the drive with a larger capacity model.
Check if the over-voltage warning occurs after acceleration stops.
When the warning occurs, do the following:
1. Increase the acceleration time
2. Set Pr.06-01 over-voltage stall prevention
3. Increase the setting value for Pr.01-25 S-curve acceleration arrival time 2
Check the wiring of brake resistor or brake unit.
