Bicycle Motor Not Working

Using inspection and the process of elimination is the best way to determine if a speed controller is working or not.

Bicycle motor not working. Last night when i switched from pedal assist and gave it some throttle it quit. Do not operate for extended periods this way the batteries will not be protected from low voltage. I m getting a weak spark and my bike is. Sometimes the battery isn t working other times the controller is having issues like a loose wire and sometimes the throttle brakes or motor are not setup correctly.

Turbo bob s bicycle blog says. Motor erratic jerky operation 1. For your motor to start and run it needs a spark which comes from both the magneto and the cdi. This is a simple connection that all rear hub motor mount e bikes share and is an easy fix if it is the issue.

The battery indicator lights on the throttle switch went out and the motor stopped. I ve looked online 4 a controller exactly the same as mine but can t find 1. You can temporarily dis connect the cycle analyst connector from the controller and the system should work if this is the problem. To ensure the issue with your e bike not working properly isn t simply a wire being disconnected first check the motor connection on the chainstay which is the part of the frame where you chain is.

If all of the other components of the electrical system test good but the scooter does not operate that indicates a defective speed controller. I have a fat bike with a cyclone 3000w motor 30amp controller and a 52v luna shark pack. I believe it is the batteries not sending enough power to the bike for the motor to work properly i just know batteries are expensive and i don t want tospend that kind of money on the wrong problem. How do i find out what motor eg.

After testing it it looks like i need a new throttle controller and hall sensors. If one or both of these components aren t working you won t be able to start your engine let alone use it not matter how well it s tuned. I could not get it come back on. I m not getting a spark.

500w so i can buy a controller that is compatible with my motor. Cycle analyst may cause the system to not operate for some reason. This positioning gives the bike better stability and balance and while the motor is working and propelling the bike the forces generated by it won t be transmitted unevenly into the frame. Speed controllers are too complex to easily test.