Bion X bionX 250w 350w 48-52v controller problem. Repair or fail

Bion X bionX 250w 350w 48-52v controller problem. Repair or fail

Bion X bionX 250w 350w 48-52v controller problem. Repair or fail. So Iv replaced the fets with others o had and Iv fixed one problem and found another. The bike now will work as a normal bike where as before it just cogged all the time. Now it cogs when the power is turned on 馃檨 still in the processor trying to fix it but it takes 4 hours to strip and re build this hub #pain in the ass.

Readers Comments (2)

  1. As long as the gate voltage is the same on both FETs, you’ll be fine mate.
    The bad news……The usual cause for gate-drain short is overvoltage so the trigger voltage might be a little high and it might happen again (unless the new FETs are higher tolerance).

  2. Hey there, I wonder what issues you were experiencing for you to need to fix those components. I have an Easy Grace with same system. Bike is in great condition and works. But the power is intermittent. I wonder if I have a torque sensor problem or if my controller got overheated like yours. Everything seems to work fine, but for this power issue where it comes and goes.

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