When riding an e-bike, the motor is like its ‘heart’, and when there is a problem, the entire riding experience will be greatly reduced. When there is a problem with your e-bike’s motor, there are several steps you can take to diagnose and fix the problem. The following guidelines can help you troubleshoot the problem:
1. Observe the appearance and connections
First, perform a thorough cosmetic inspection of the motor. Look for visible cracks, deformation or signs of wear on the motor housing. These physical injuries can cause damage to the motor’s internal components, which in turn can affect its normal operation. Also, carefully inspect the connecting wires between the motor and the battery, controller, and other related components. Loose, broken, or corroded connections may cause circuit interruptions or poor signal transmission, leading to generator failure. Ensure that all connections are firm and undamaged, if necessary, re-plugging the connection line to rule out poor contact.
2. listen to the abnormal sound
In the process of motor operation, abnormal sound is often an important clue to failure. Start the motor, listen carefully for harsh friction, excessive humming or irregular knocking. Harsh friction sounds may mean that the bearings inside the motor are worn or foreign objects have entered; excessive humming may be due to excessive motor load, magnetic field imbalance, or controller failure; and irregular knocking sounds may imply that the rotor or stator of the motor is loose or damaged. If you hear any abnormal sound, stop using the motor immediately and check it further in depth.
3. Check the power supply
The normal operation of the motor can not be separated from a stable power supply. Use a multimeter to measure the battery voltage to ensure that it is within the normal operating range. If the voltage is too low, the motor may not be able to get enough power, showing symptoms of weak running or failure to start. In addition, check the circuit between the battery and the motor for shorts or breaks. This can be done by tracing the wires to see if there are any signs of crushed, frayed or burned wires. At the same time, check the state of charge of the battery and the function of the charger to ensure that the battery can be properly charged and provide continuous power support for the motor.
4. Test the motor for no-load operation
After eliminating cosmetic, connection and power supply problems, conduct a no-load test of the motor. Lift the e-bike so that the rear wheel is off the ground, then start the motor and let it run without load. Observe whether the motor rotates smoothly and whether it jerks or shakes. Under normal circumstances, the motor should be able to smoothly accelerate to its rated speed and maintain stable operation. If the motor appears abnormal at no load, such as unstable speed, unable to reach the rated speed or accompanied by obvious vibration, then the problem is likely to be in the internal mechanical parts of the motor or the electrical control system.
5. with the help of professional tools for testing
For some more complex motor problems, you may need to use professional testing tools. For example, the use of oscilloscopes can detect the motor current and voltage waveforms, by analysing the shape and characteristics of the waveforms to determine whether the motor has electrical faults, such as phase failure, short circuit or overcurrent. In addition, an insulation resistance tester can be used to measure the insulation resistance between the motor windings and the casing to determine if the motor is at risk of leakage. If you do not have the skills and experience to use these specialised tools, it is advisable to seek the help of a professional e-bike repair technician.
With the above comprehensive diagnostic steps, you can have a more accurate judgement of the problem with your e-bike motor. During the diagnostic process, it is important to observe carefully, listen attentively, and use the appropriate tools for testing. Once you have identified the problem with the motor, you can take appropriate repair measures or seek professional repair services, so that your e-bike can be rejuvenated and continue to accompany you to travel unhindered.
Remember, regular maintenance and inspection of your e-bike can effectively prevent motor problems from occurring, prolong the service life of the motor, and ensure your riding safety and comfort.
6. If you still can’t diagnose the motor or solve the motor failure problem by yourself through the above methods, you can contact our customer service: [email protected] for help.
All Bodywel e-bike models are equipped with Ananda motors, which are extremely stable and reliable.
Ananda, as a highly acclaimed brand in the field of e-bike motors, has always been known for its exquisite manufacturing process and excellent performance. Its motors are strong and smooth in power output, providing riders with continuous and efficient assistance, whether on flat city roads or slightly sloping countryside trails, all of which can be handled with ease, greatly enhancing the comfort and convenience of cycling. It is worth mentioning that the brand’s motors have professional after-sales service centres in the Netherlands, Italy and Hungary in Europe. They can quickly and accurately diagnose and solve all kinds of problems that may occur in the motor; ensure that the riders can get timely and effective treatment when they encounter motor failure, so as to free the majority of consumers from worries, and make the riders feel more at ease when using our electric bicycles equipped with Anaida motors.
