Sabvoton 72150 with UKC1 - speedometer jumps around

bbrown914

1 µW
Joined
Jun 29, 2021
Messages
1
Hello everyone,
I just received a new Bluedot enduro ebike from China. It has a QS273 3.5T motor, Sabvoton 72150 controller, and UKC1 display. It worked okay for two days but now upon any throttle up, the display speed jumps all around, is inaccurate, and continues to display whatever the last erroneous value was at full stop. The odometer keeps ticking away too at full stop until the speed value finally decides to return to zero. The speedometer value has a little gradient circle around it that originally moved evenly with speed change but now it shoots up almost like a throttle signal rather than a speed signal.
I'm hoping that someone here may have experienced a similar issue and can help to troubleshoot.
Thanks,
Brandon
20210627_145906.jpg
 
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