Hi all. I recently bought a used cargo bike here in San Francisco with a bafang mid-drive already installed. It is this unit:
https://bafangusadirect.com/products/complete-bafang-750w-bbs02-mid-drive-ebike-motor-kit-battery
After a few rides, the assist stopped providing power to the crank. The LCD turns on and stays on, and all of the functions on the LCD work fine. However, there is no assist power from the drive. When I press the throttle, I hear a very quiet click from the mid drive (once each press) and occasionally a very brief and quiet spinning sound (these sounds are so quiet you could never hear them while riding—only in the garage). I used a multimeter on the battery output cord, and it reads 52V.
I’m mechanically inclined but don’t have experience with ebike units and am not sure how to troubleshoot further. Any thoughts or ideas as to the best next steps for troubleshooting would be greatly appreciated.
Thanks,
Kyle
https://bafangusadirect.com/products/complete-bafang-750w-bbs02-mid-drive-ebike-motor-kit-battery
After a few rides, the assist stopped providing power to the crank. The LCD turns on and stays on, and all of the functions on the LCD work fine. However, there is no assist power from the drive. When I press the throttle, I hear a very quiet click from the mid drive (once each press) and occasionally a very brief and quiet spinning sound (these sounds are so quiet you could never hear them while riding—only in the garage). I used a multimeter on the battery output cord, and it reads 52V.
I’m mechanically inclined but don’t have experience with ebike units and am not sure how to troubleshoot further. Any thoughts or ideas as to the best next steps for troubleshooting would be greatly appreciated.
Thanks,
Kyle