Lee Sheng-electronics factory Teaches you how faulty electric vehicle controller electric car repair when the controller does not output a brush, set at +20 hair multimeter (DC) position, the quality of the battery charger, the first measurement of the output signal of the gate high and low potential. 2. squeeze brake lever, the brake signal has the potential to change over 4V, you can rule out the gate to malfunction. Charger is one of the four core components of electric vehicle electrical system. Charger performance quality, battery chargers offer a direct impact on the battery charge capacity and service life. Lee Sheng Electronics Factory teach you in the electric car charger repair process, we should pay attention to some of the security risks. Note a different output voltage battery charger and different kinds of charger is strictly prohibited mix. Caution second switching power supply charger for correct operation: first insert charging batteries, battery charger Pan, plus electricity; cut off electricity after sufficient battery after pulling the plug. If you first pull the battery charging plug, especially charging current (red), it is very easy to damage the charger electronics factory Sheng-li lot of concessions, wholesale battery charger, battery charger provided by Yongkang Jinhua Sheng Li electronics factory. Lee Sheng Yongkang Electronics Factory (www.ykshengli.net) is a professional "Electronic product manufacturing, processing and marketing" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that the "Victory Electronics Factory" brand has a good reputation. We adhere to the "service first, customer first" principle, so Lee Sheng Electronics Factory has won the trust of customers in the public electric car charger, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!