fechter
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    • fechter
      fechter replied to the thread Where is the shunt?.
      I don't see anything that resembles a shunt. The other large part near P+ looks like a diode. I have heard of circuits that use the FET...
    • fechter
      fechter replied to the thread Where is the shunt?.
      What's on the other side of the board? The big part looks like a FET, which doesn't seem like enough. Usually there would be one bank...
    • fechter
      fechter replied to the thread Controller or halls?.
      That looks like it should work great. Electronically, the hall sensors are pretty generic. That's a great price too.
    • fechter
      fechter replied to the thread Controller or halls?.
      You can replace the hall sensor. The hard part is getting the glue off the board. If it's the rubbery kind, it's pretty easy. The hard...
    • fechter
      fechter replied to the thread Controller shunt mods.
      The newer controllers use surface mount chip resistors instead of Manganin wires. Same idea though. You can generally solder new...
    • fechter
      fechter replied to the thread Controller or halls?.
      That sounds like one of the hall sensors is not working. You can check the hall signals with a voltmeter while turning the motor by...
    • fechter
      One other thing I've seen before is you might have a bad connection somewhere between the battery and the controller. Double check all...
    • fechter
      fechter replied to the thread BMS Wiring Sequence.
      It looks like you did it right, but the BMS seems tripped. You might try charging briefly to see if that resets it.
    • fechter
      It sounds like a controller problem. The LED blink code will tell you what it thinks is wrong. Does it still cut out if you put it in...
    • fechter
      The first thing I would recommend it to try disconnecting the tilt safety switch (dump switch) connector. Some of these are overly...
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    • fechter
      fechter replied to the thread Controller e-lock.
      Typically that line goes to a key switch connected to the battery +. The thick main battery + wire can stay always connected to the...
    • fechter
      fechter replied to the thread Runaway Throttle.
      One other thought, some controllers have a "cruise control" feature that will hold the throttle on. If there was a mechanical problem...
    • fechter
      There can be resonance in the spokes too. Not damaging, but can be annoying. You can try wrapping tape or zip ties around where the...
    • fechter
      fechter replied to the thread Runaway Throttle.
      That's pretty scary. 72680 sounds like a Fardriver number. Most controllers will have some kind of safety that would stop output if...
    • fechter
      The max current is the only setting that would really matter, but the connector failure was not likely related to the settings. More...
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