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  1. 5

    Generic controller sparking at mosfets when applying throttle.

    Thanks for the reply, the traces all looked visually intact, only the space BETWEEN them somehow shorting . It's like a bite was taken out between the traces and its all black charred where there is material missing ...
  2. 5

    Generic controller sparking at mosfets when applying throttle.

    I have a generic 72v controller, which yesterday suddenly started making loud pops and crackles so I shut it down unplugged battery and walked home. I opened it up and I found that two neighbouring mosfets had shorted somehow, drain leg, to source leg of the other I believe but I'll double check...
  3. 5

    mystery wires daymak sunshine

    Hello ES, I have a Daymak Sunshine moped type ebike to repair with intention of selling. The main issues are sorted but I am stuck now. The solar panels (there are 3 panels) mounted on the removable cargo case were cut, and need to be re-connected. However I am not familiar with solar panels...
  4. 5

    Ontario, Canada - 18650 for sale

    i dont suppose you still have these?
  5. 5

    Cannot find working phase / hall combination using Stromer motor with Votol em50-4

    hey I appreciate your time, I’ll try setting up / programming controller then - thanks for the help!
  6. 5

    Cannot find working phase / hall combination using Stromer motor with Votol em50-4

    I actually have not tuned the controller , as I didnt get one of those usb programming cables. That actually may be it then? I ran an votol em100 before without any setup from computer but I guess because it was a qsmotor it didn’t trip out? I will verify halls, but unless I damaged one when...
  7. 5

    Cannot find working phase / hall combination using Stromer motor with Votol em50-4

    Hello ES, I have a problem and I’m not sure why. I have a Stromer hub motor from a st1 thomus model ebike. I am trying to get it going using a Votol em 50-4 controller running with a lithium pack around 30ah at 72 volts nominal. So I opened the hub by unlacing it from rim, pulled cover, and...
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