Changed settings using the Speeed android app, can't connect anymore.

mac753

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Jun 24, 2022
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I have been using the Speed android app to change a setting here or there on my bbshd. Never had a single problem connecting or programming anything. A week ago I made a post on the Bafang tips and tricks facebook group asking for advice on programming the bbshd. I mainly just wanted to extend the lifespan of the motor and controller, not get any more speed. Some guy posts a pretty long reply saying to change a few things. Everything seemed legit. One of the things he said to change was the start and end voltage of the stock throttle. He said to change it to 0.8v start and 3.59v stop. I have all my settings from the last time that I programmed it screenshotted, so I figure I'll try that out. I program it and go outside to test it out. I see 04H error and the throttle is not working. I go back inside to change the settings back and the Speeed android app that I never had a single problem with says it won't connect. I deleted and reinstalled the app and it still won't connect. I disconnect the throttle and try to connect still nothing.

What is going on here? Is it possible to screw up the part of the controller that allows you to program it? Do I need a new throttle or programming cable? Could it be the controller?

I did not have any luck programming with software on my computer. I could never get the right drivers or something. The Speeed app worked perfectly though. The screenshots are of the settings I changed last.

TIA
 

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