Mitsubishi FR-A Series- FR-A800, FR-A770/A701, FR-A700, FR-A800-E, FR-A741 Drive
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Apr 01, 2024 7:31 am
Cause : CPU fault comes when the inverter trips if the communication fault of the built-in CPU occurs. This fault comes when hardware issue in control card.
- Check for devices producing excess electrical noises around the inverter.
- Take measures against noises if there are devices producing excess electrical noises around the inverter.
