Thanks for all the replies. Removed battery, checked and seated all connections. Checked settings on monitor.
Now I have no pedal assist. The throttle works when not under load [lifting rear tire]. But when I try to ride it surges for less than a second and stops working.
Feeling like...
Installed Bolton upgraded controller and screen on my 19 Radcity. Bike works but display only shows ambient temperature and volts. No watts, battery life, speed, odometer, etc. I have checked all the connections. Any help.would be appreciated