How to judge a ESC is can be repaired or not ?

Short out is the most situation in ESC board damage,but do you know how to judge a ESC board is can be repaired or not ? Let me tell you a step operation.


First,charge the battery and look the light


Secondly,use a voltmeter to measure the 3.3V&5V whether norml 

volmeter to measure 3.3V&5V voltage

If you process the two steps above and all is normal ,basically we can think the ESC board is workable.If you still can't use the ESC ,you can contact us to help you check the other problems .