Mitsubishi FR-D700 Series, FR-CS80 Series & FR-XC Series Drive
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Apr 02, 2024 11:25 am
Cause : Brake transistor alarm detection comes when the inverter trips if a fault due to damage of the brake transistor and such occurs in the brake circuit. In such a case, the power supply to the inverter must be shut off immediately.
- Appears when an internal circuit fault occurred.
- Reduce the load inertia.
- Check that the brake duty is proper.
- Replace the inverter.
