GD350-19变频器开环和vf运行加减速都正常不报故障，闭环运行加速正常，从100hz减速变频器就报OV3（电机额定频率25HZ，跑100HZ），怎么处理？
<p class="MsoListParagraph" style="margin-left:24px;text-indent:0">P3.00<span style="font-family:宋体">改为</span>3500<span style="font-family:宋体">，</span>P3.34<span style="font-family:宋体">改为</span>002</p><p><br/></p>
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