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[trantrungtin]

Hi  
Firstly, sorry for my super bad english  
Lastweek i tried to mod another fan for my Falcon X360, while measuring voltage, i dropped down a sewing needle onto the board (somewhere in the red rectangle) while the X360 running, i think it shorted the Mosfet, i've tried to replace both, but still no hope, it still 0031, what should i do now  
//Thanks everyone  
PS: The resistance between gate and source (mosfet O3F1) is zero, is this normaly