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  1. NDJ

    eBike hub motor rumble / grumble / rattle noise - High torque, low speed

    Hey harryS, thanks very much for your response.. You are definitely NOT wrong. A while back I did setup an LED light connected directly to the controller and it did not work for long.. I searched online and found that like many others I should have used a relay and subsequently burned out the...
  2. NDJ

    eBike hub motor rumble / grumble / rattle noise - High torque, low speed

    Thanks to all that took the time to read my post. I have found the problem! Something has burned out inside the controller as shown in the images below. Looks like I am going to have to replace the entire controller. It's a shame as I am more than capable of replacing the part if I knew where to...
  3. NDJ

    eBike hub motor rumble / grumble / rattle noise - High torque, low speed

    Hello everyone, I need some assistance with a noise problem I'm facing with my direct drive ebike motor. The issue occurs when I start off with high torque at low speeds, causing a rattling or rumbling noise. The noise will continue if climbing a hill in say PAS with limited power output. It's...
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