4. The regulator or throttle contacts of the DC geared motor are ablated or have dirt, the balance resistance is open, the throttle bridge line is burned, the spring tension of the throttle is weak, the air gap is too small, and the limiter voltage of the throttle Adjustment is too low, the closing voltage of the breaker is too high or the parallel coil is open.
Zibo Zemei Motor Co., Ltd.
Address: Bei'an, Zhoucun District, Zibo City
Zemei Electric Wenzhou Office
Address: Qiaoertou, Lucheng District, Wenzhou