Mitsubishi FR-A Series- FR-A800, FR-A770/A701, FR-A700, FR-A800-E, FR-A741 Drive
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Apr 01, 2024 4:50 am
Cause : USB communication fault comes when the inverter trips when the communication is cut off for the time set in Pr.548 USB communication check time interval.
- Check that the USB communication cable is connected securely.
- Check the Pr.548 setting.
- Connect the USB communication cable securely.
- Increase the Pr.548 setting or set "9999."
