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爱玛电动车显示p开不动
更新时间： 2021-03-31 01:35:36  

1、拔下刹把插座（常开型刹把）。如电机运转，则为刹把故障，应更换刹把。

2、转把源5V电压正常，检测转把信号电压，转动转把，信号电压应在0.8～4.2V由低向高变化。如电压无变化且小于1V，则为转把故障或转把线有短路。如电压大于1V且变化正常，检测电机霍尔信号（黄、绿、蓝线）。如三相霍尔信号线电压全部为5V且接触良好，则电机霍尔损坏，应更换电机或电机霍尔元件。

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