U2

Troubleshooting- Start now

U2

Troubleshooting- Start now

U2 Unboxing Guide

Q: What should I do if the controller of the U2 E-Bike is suspected to be faulty?

  • Check the connection wires between the display and controller to ensure they are properly connected.
  • replace the controller with a new one.

Q: What does a motor Hall fault mean on the U2 E-Bike, and how do I fix it?

  • A Hall fault usually indicates a motor signal error.
  • Check the waterproof connector (9-pin head) on the side of the motor wheel for looseness or poor contact. Unplug and reconnect.
  • Inspect the connector between the controller and the motor extension cable. Unplug and reconnect if loose.
  • If the fault does not disappear, replace the motor wheel.

What if the connection between the motor and controller is damaged on the U2 E-Bike?

  • Check for short circuits, broken pins, or damaged insulation.
  • consider replacing the motor.

Why is there an error at startup on the U2 E-Bike related to the accelerator?

  1. Check if the accelerator is stuck in the pressed position during startup. If so, release it to clear the error.
  2. Inspect the accelerator connector for looseness. Unplug and reinstall it.
  3. If the issue persists, replace the accelerator.

How to troubleshoot brake lever errors on the U2 E-Bike?

  1. Check whether the left and right brake levers rebound normally after being pulled.
  2. If both rebound properly, unplug each brake lever’s power cut-off wire one at a time.
  3. If the error code disappears after unplugging one side, replace that specific brake lever.
Replacement Parts

U2 E-Bike

Find now
Replacement Parts

U2 E-Bike

Find now

Troubleshooting & Repair Center

Step-by-step video instructions to help you repair and maintain your electric scooter.

U2 Maintenance & Repair

U2 How to install the bike U2 How to install the motor U2 How to replace the inner tire U2 unboxing video U2 How to replace the dashboard U2 How to replace a chain U2 How to adjust the screw Replace the battery for U2 model

U1 Maintenance & Repair

Install the basket for the U1/U3 model U1 cracking speed Replace the battery for U1 model Replace the dashboard for the U1 model

GT2 Maintenance & Repair

GT2 guidance video to start the cruise control GT2 Brake noise adjustment video GT2 replace the rear wheel GT2 How to replace the accelerator? GT2 How to install the seat? GT2 The meter battery cannot display the guidance video GT2 How to replace the controller? GT2 How to turn on the cruise control? GT2 How to remove the speed limit？ GT2 How to adjust the barke bar？ GT2 how to adjust the pole？ GT2 How to replace controller？ GT2 How to replace barke bar and power button？ GT2 How to replace the light？

GT1 Maintenance & Repair

Unplug the white wire of the electric temperature control for GT1 model Replace the motor for the GT1 model step 1 Replace the motor for the GT1 model step 2 Replace the battery for the GT1 model Replace the control for the GT1 model

S10MAX Maintenance & Repair

Replace motor wheel for S10MAX Replace motor wheel for s10max -1 Replace motor wheel for s10max- 2

S9MAX Maintenance & Repair

S9 MAX adjusting the brakes Turn on non-zero start and release speed limit guidance video（S9 S9Pro S9Max） S9MAX Battery Change video S9MAX replace headlight Adjusting Brake Tension for S9 / S9PRO / S9MAX S9MAX unboxing video S9MAX Installation Operation S9MAX How to install the front fender Replace the charging port for S9/S9PRO/S9MAX model Install the passive wheel for the S9/S9PRO/S9MAX model-1 Remove the passive wheel for the S9/S9PRO/S9MAX model-2

S9PRO Maintenance & Repair

S9Pro seat installment Wiring details for S9PRO/S9MAX electric scooter of new version Replace the rear fender for the S9/S9pro/S9Max model S9PRO replace inner tube 1 S9PRO replace inner tube 2

U3 Maintenance & Repair

Adjust the sprocket of the U3 model Install the basket for the U1/U3 model Replace the battery for the U3 model Replace the dashboard for the U3 model

U4 Maintenance & Repair

What you might want to know

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Buying Guide

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From daily commutes to off-road adventures — discover the electric scooter or bike that fits your lifestyle.

Buying guide here!

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isinwheel Warranty

isinwheel offers lifetime technical support to all customers.

Our 24/7 customer service team is always ready to assist you with any questions about our products or services—whether your product is within the warranty period or not.

The standard warranty for electric bikes is 2 years, and for electric scooters, it's 1 year.

In addition to the standard warranty, you can also purchase extended warranty services on our website.

Please note that wearable parts may have different warranty terms. For full details, please refer to our Warranty Policy.

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We love to hear from you,our team is available to help answer questions and offer styling advice, so if there’s anything you’d like to ask us, we’re right here and ready to help in every way we can.


Email : support@isinwheel.co.uk

Tel: +44 1563638328


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