电动车刹车不断电常见原因（Frequent braking of electric cars, common causes）.docVIP

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2017-07-25 发布于河南
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电动车刹车不断电常见原因（Frequent braking of electric cars, common causes）.doc

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电动车刹车不断电常见原因（Frequent braking of electric cars, common causes）

电动车刹车不断电常见原因（Frequent braking of electric cars, common causes） 1: brake constant electricity common causes A:, a) brake power off switch is broken: I for mechanical normally open power switch, cause the continuous electricity, because contact contact, spring piece and contact point can not contact, can adopt the method of maintenance to solve, if cannot maintain, then change the power off switch. II for electronic low potential power off switch, can only be replaced by the method to solve. Fast judgment method: the output of the controller purple and green line short, and if there is a power failure is the brake power switch reasons, such as continuous power is the controllers reasons. B) the controller burns out: the purple of the controllers output terminal is shorted to the green line. If the continuous power is the controller, the controller needs to be replaced. 2: motors operate at maximum speed (a:a) when the switch is burned, turn the negative wire open and change the handle. B) the controller burns out and changes the controller. C) its hard to get the negative wire out of contact. 3: causes the motor not to rotate A:a) fuse burn, replace fuse. B) the power switch is broken and the power switch is changed. Judge: open the power switch, with a multimeter resistance between the input terminal and the output terminal of the power switch to measure ohm files, such as the resistance value of zero is normal, such as the resistance is infinite, then the power switch is broken, replace the power switch. C) hall turn bad, DC voltage with Multimeter measure to turn the green line of the output voltage, such as 1-4.2 or 1-4.8 (A8 DELUXE) voltage output, then turn to normal, if no voltage output is transferred to the burn, turn to be replaced. D) controller, DC voltage with a multimeter to measure the output of the red controller wiring (then turn line plug), such as the output voltage of 5 volts is the normal controller, the voltage output of the controller without da