jayg
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The drive developed control problems with about 3,450 miles on it. It's still giving assist, and the throttle works, but it's difficult to get the assist above Level 1. And when I do get it above Level 1, it's difficult to get it back to Level 1. It's just not responding to the + and - buttons on the display like it should. Manipulated the cable connection between the display and the controller, then took the trike on a test ride this morning. No change, so I ordered a new $60 controller from ECO Cycles. It's already in the mail. It appears I'll be able to replace the controller without removing the drive. Tongsheng uses the same motor for all of its drives. The controller is programmed to the desired power rating (350 w, 500w, or 750w) by the manufacturer, or supplier in ECO Cycles case. So, in the future if I wanted to change my 500 watt drive to 750 watts, I would order a new controller programmed to 750 watts by ECO Cycles.
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