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A: Sto fault is an adjustment fault. First, check whether the motor is blocked. Another big reason is that the motor parameters of the P02 synchronous motor are inaccurate. The parameters can be reset. Set the motor parameters according to the motor nameplate. Set P00.03, P00.04 and proceed. Spin self-learning. Extend P13.11 detection time. In addition, set SVC1 P00.00=1 is a better way.
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