When you are riding your e-bike and suddenly notice that the pedal assist is no longer responding, it can be confusing.

• The display may still be working
• The battery may still show power
• The bike may even turn on normally

But when you start pedaling, the motor does not provide assistance.

In most cases, this does not mean there is a serious problem with the motor. Many e-bike pedal assist issues are related to the sensors, cable connections, or system settings.

👉 Before contacting support, a few simple checks can help you understand where the problem may be coming from.

If Pedal Assist Has Never Worked Since You Received the Bike

If you have just unpacked your new electric bike and the pedal assist system is not responding, start with the basic checks first.

During shipping, vibration can sometimes affect cable connections. A connector that is slightly loose may prevent the system from receiving the correct signal.

First, check that:

• The battery is correctly installed and locked
• The battery has enough charge
• The display turns on normally

👉 If the bike powers on but the motor does not respond when you pedal, the next thing to check is the PAS sensor.

Check the PAS Sensor Connection

The pedal assist sensor (PAS sensor) detects when you start pedaling and sends a signal to the controller to activate the motor. If the sensor is loose or not positioned correctly, the bike may not recognize your pedaling movement.

Check:

• Whether the PAS sensor cable is fully connected
• Whether the sensor near the crank area has moved
• Whether there are any loose connectors

👉 After checking the connection, turn the bike off and restart it before testing again.

If Pedal Assist Suddenly Stops Working During Use

If your bike worked normally before but the e-bike pedal assist stopped working suddenly, the cause is usually related to one part of the signal system. The power system, sensors, and controller all need to communicate correctly for pedal assistance to work.

👉 Start by checking the easiest things first.

Check the Brake Sensor

Your electric bike is designed with a safety feature that temporarily stops motor assistance when braking. If the brake sensor does not return to its normal position, the system may continue thinking that you are braking.

Check:

• Whether the brake levers fully return
• Whether anything is preventing the brake lever from moving freely
• Whether the brake sensor connection is secure

Check the Display and Controller Connections

The display, controller, and motor work together to control the pedal assist system. A loose connector can interrupt communication between these components.

Inspect:

• Display cable connection
• Controller wiring
• Motor cable connection

👉 If you find a loose connector, disconnect it and reconnect it firmly.

After Long-Term Use: Check Battery and Component Wear

For an e-bike used for more than one year, some issues may appear due to normal wear. Over time, components such as:

• Battery connectors
• PAS sensors
• Wiring connections

may need inspection. A battery that cannot provide stable power may also affect how the motor responds.

👉 Before replacing any parts, checking the connections first can help avoid unnecessary repairs.

Quick Check Before Contacting Support

If your e-bike pedal assist is not working, we recommend checking in this order:

• Confirm the battery is installed correctly
• Check pedal assist settings on the display
• Inspect the PAS sensor connection
• Check the brake sensor
• Inspect motor and controller wiring

If the issue continues, contact support with:

• Your e-bike model
• Purchase / use time
• Description of the problem
• A short video showing the issue

👉 This will help the support team identify the cause more quickly.

Final Thoughts

A pedal assist system is one of the main reasons riders choose an electric bike. When it stops working, it can feel like a major issue.

However, many e-bike pedal assist problems come from simple causes such as a loose connection, sensor position, or system setting.

👉 Taking a few minutes to check these areas can often help you find the cause and return to riding sooner.