Hi how err body doing

[Cutty]

I have a question my ebike turns on hit the throttle nothing check display for an error code but there no error code. Wha5 do i do

 

[indianajo]

Welcome to the site.
You'll get more eyes on your problem down in maintenance thread, https://electricbikereview.com/forums/forum/maintenance/ but one thing you could do is measure the voltage going into your controller with a voltmeter. Red & black fat wires.