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  1. I

    Identifying failing controller component

    Yes, that would be much better. You need a larger surface area to dissipate the heat. Great! Since I'm new at this I could really use some help calculating the Watt rating needed for this circuit (36v system). Been looking at power resistors as well (up to 50watt). Any problems using a...
  2. I

    Identifying failing controller component

    Cool! Found an even smaller 51ohm resistor and soldered it as a bridge. Controller back to life! Not for to long though I suppose. I run a 36v battery on this bike. You think I could connect maybe 4x 200 ohm resistors in parallel to achieve 50 ohm and better heat dissipation? Only one of the...
  3. I

    Identifying failing controller component

    Hi all of you enthusiastic people! I am trying to repair an e-bike (hub motor, some Chinese no brand controller) and I got a new controller. The bike came to life but died again shortly thereafter. I opened up both the old and the new, identical controller and found a component that looks burnt...
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