Solve all the error codes of your Velobecane electric bike
Construction and maintenance of bicycles

Solve all the error codes of your Velobecane electric bike

The various parts that the after-sales service can send you when there is an electrical problem on your e-bike: 

  • Controller

  • Pedaling sensor

  • Мотор

  • Screen

  • Cable bundle

There are several mistakes you can run into when using a bike:

  • ERROR 30

  • ERROR 21

  • ERROR 25

  • ERROR 24

Notifier: All errors are displayed on your screen.

First, to troubleshoot, we will open the controller, which is located under the battery (on one of the two sides), where 4 small screws are located. Once opened, you should be able to see the controller with a different é. 

The following errors are possible: 

  • Error 21 or Error 30: Connection problem (cable not connected properly)

  • Error 24: Motor cable problem (poorly connected or damaged)

  • Error 25: The brake lever is engaged during ignition (i.e. when you turn on the bike and the screen, do not press the brake levers)

There is another error that tells you on your screen that the battery is low while it is full. To fix this problem, you turn off the screen, then press all 3 buttons at the same time (hold for a few seconds until it restarts) and the battery indicator will reappear.

The same operations for LED screens (for simplicity).

We will now see how to connect the new controller of your electric bike bike: 

  1. Once the controller box is open, remove the old controller so you can plug in the new one.

  1. On your new controller, you can see the red wire and the black wire (these two cables are for the battery). So it couldn't be easier: you connect the red wire to the red wire and the black wire to the black wire (this is the same for all bikes, whether snow bikes, compact bikes, light bikes, work bikes, etc.).

  1. The longer cable is connected to the motor. Each cable has an arrow on it. You need to connect the motor cable to the controller cable with the arrows facing each other.

  1. Then you need to connect the wiring harness. This is the same cable as the engine, but smaller (same system like fleche la fleche)

  1. Connect the cadence sensor (yellow tip) arrow to the arrow.

  1. Finally, connect the last wire, which is the rear harness cable. From the controller, the corresponding cable is red and black. Connects to black and purple plug (for newer models). In older models, the cable connects to a plug that has the same cables as them, that is, black and red. 

  1. Voila, you have a new controller connected to your bike. 

We will now see how to replace the pedaling sensor on your Velobecane electric bike:

  1. You will receive a pedaling sensor with a crank puller from the after-sales service. 

  1. Using an 8mm wool wrench, you unscrew the crank. 

  1. Insert the crank puller, then use a 15 mm open-end wrench to tighten where the nut is, then unscrew with the puller again until the crank is fully extended.

  1. Remove the old crank sensor to install a new one, then connect it to the controller. Make sure that the sensor teeth fit well into the crank teeth and that the connection is made with the arrow (arrow).

  1. Finally, put the crank back on and screw it tightly.

Finally, we'll see how to replace the wiring harness on your e-bike bike bike: 

  1. If the wiring harness fails at the service center, you will receive a cable with multiple connectors. 

  1. It's very easy to connect. You should connect the smallest of the thickest controller cables to the same cable you received from the after-sales service (always fleche a fleche).

  1. All other plugs on the other side of the cable are on the steering wheel side. You must color-code and connect all cables.

  1. The two red cables correspond to the two brake levers, the green one to the shield, and finally the two yellow cables to the horn and front light (always connect arrow cables to arrow) 

For more information visit our website velobecane.com and on our YouTube channel: Velobecane

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