Mid-drive Bafang bbshd 1000w: How to tell if controller is fried?

Jimbo52

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Mar 14, 2021
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New bike. First time startup. Display worked, but Motor would not engage w/throttle or PAS, so I disconnected and tried to reconnect the cables. While the display (green) cable was disconnected, a spark was observed between 2 pins. Yikes! Something may have shorted. After reconnecting it, the display no longer works in addition to no power to motor.

Is this enough to confirm the controller is fried?

It’s a bolt-on, integrated, potted controller with no serviceable fuse that I can see. I think I’m looking at a replacement.

Any recommendations for a repair shop near Santa Clarita?
 
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