| No power after starting the bike |
The battery is not installed in the vehicle body, or the plug is not inserted into the Battery properly |
Check the battery plug |
Insert the battery and plug in properly |
| The air switch in front of the battery is not turned on |
Check the air switch |
Turn on the air switch |
| Low battery protection |
Turn off the air switch and use a multimeter to check whether the output voltage of the battery discharge port is normal (DC45V-67.2V) |
Charge the battery |
| Battery enters low temperature or high temperature protection |
Check if the ambient temperature is lower than –20 degrees Celsius, or check if the battery temperature is too high |
Wait for the battery temperature to return to normal (-20 degrees to 70 degrees) |
| The main cable fuse is blown |
Check the fuse status |
Replace the fuse |
| Electric door lock plug contact bad |
Use a multimeter to check whether the electric door lock can be effectively connected |
Tighten the plug or replace the electric door lock |
| Damaged converter |
The multimeter detects whether the output voltage of the converter is normal DC12V |
Replace the converter |
| Battery output short circuit protection |
When the air switch is turned on or off, use a multimeter to check whether the output voltage of the battery charging port is normal (DC45V-67.2V). |
Remove the input positive and negative wires of the controller. If the whole vehicle is powered on, it means the controller is short-circuited, and the controller should be replaced. |
| damaged battery |
Turn off the air switch, use a multimeter to check whether the output voltage of the battery discharge port is normal (DC45V-67.2V), and still cannot recover after charging with a charger, it means the battery is damaged |
Repair or replace the battery at the authorised after-sales point |
| After the bike is turned on, the power supply is normal, but the motor does not work |
Side bracket switch
protection |
Fold the side stand |
Fold the side stand |
| Brake power switch protection |
Disconnect the brake switch cable plug |
After determining the position of the brake point of the handle, adjust the position of the power-off switch |
| The dump switch is not reset after the vehicle is reversed |
After lifting the vehicle, turn off the key and then turn on the key to reset |
After lifting the vehicle, turn off the key and then turn on the key to reset |
| Throttle does not return protection when power on |
Check the throttle cable free travel |
Adjust the cable free travel |
| Low battery protection |
Check battery level |
Charge the battery |
| Motor over temperature protection |
Check whether it is a long-term heavy-duty ride |
Wait for the motor to cool down before use |
| Controller over temperature protection |
Check whether it is a long-term heavy-duty ride |
Wait for the controller to cool down before use |
| Damaged side bracket switch |
Disconnect side bracket switch plug |
Disconnect the side stand switch plug or replace the side stand switch |
| Broken brake switch |
Disconnect the brake switch Cable plug |
Disconnect the brake switch plug or replace the brake switch |
| Damaged dump sensor |
Disconnect dump sensor plug |
Disconnect dump sensor plug or replace dump sensor |
| Poor contact of the speed control center or damaged |
Turn the throttle, and the multimeter will check whether the signal output voltage (black and white line and green and white line) of the speed control center changes within 0.8V – 3.4V |
Replacing the speed control center |
| Poor connection of controller plug |
Re-plug the plug and check if the terminals are abnormal |
Re-plug the controller signal plug |
| Poor contact of the motor hall wire plug |
Re-plug the plug and check if the terminals are abnormal |
Re-plug the motor Hall plug |
| |
Use a multimeter to check whether the voltage of the motor Hall line is normal: red line and black line is 4.2V, if the voltage is abnormal, it means that the controller signal voltage output is faulty. |
Replace the controller |
| When the rear wheel is in different positions, use a multimeter to check whether the voltage of the motor hall line is normal: The voltage of the yellow line, green line, and blue line to the black line respectively: 0V or 4.2V, if the voltage is abnormal, it means that the motor hall is faulty |
Replace the motor |
| After power on, the power supply is normal, but the battery gauge does not display |
Electricity meter plug loosened |
|
Repair or replace the battery at the designated after-sales point |
| Damaged electricity meter |
|
Repair or replace the battery at the designated after-sales point |
| Charger not charging |
Battery over discharge protection |
Check the remaining power of the battery, if the power meter does not display, it may be that the battery power is too low and enter the protection |
See battery charging activation process |
| Battery temperature is too low or too high |
The temperature is lower than 0 degrees or higher than 60 degrees and cannot be charged |
Wait until the battery temperature is normal before charging |
| Charger plug contact bad |
Check the charger plug |
Re-plug the charging plug |
| Damaged charger |
After all the above may be excluded and still cannot be charged, it is judged that the charger is faulty |
Replace the charger |
| damaged battery |
If the charger still cannot be charged after replacing the charger, it is judged that the battery is faulty |
Replacement battery |
| The power mode is invalid, or the power is reduced |
low battery |
Check battery level |
Charge or replace the battery |
| Motor or controller temperature is too high |
Controller enters reduced power mode |
Wait for the motor or controller to cool down |
| Damaged power mode switch |
Check if the power mode switch is normally on and off with a multimeter |
Replace the handle switch |
| Motor power off when bumping |
Improper adjustment of brake power switch |
Disconnect the brake power cord plug |
After determining the position of the handle braking point, adjust the position of the power-off sensor |
| Bump shock causes controller protection |
Key off and on |
key off and on |
| Bumps cause the plug to come loose |
Re-plug the plug and check if the terminals are abnormal |
Replacing the plug or the terminals in the plug |
| USB has no output |
USB plug loose |
Check the USB plug |
Re-plug the USB plug |
| Damaged USB converter |
USB input plug is normal with a multimeter |
Replacing the USB Converter |
| Inaccurate speed displayed |
Kilometers /miles set incorrectly |
Reset metric and imperial status |
Reset metric and imperial status |
| Modification of the gear train or transmission resulting in a change in the reduction ratio |
Check the gear train and gear ratios |
Change back to factory state gear train and gear ratio |
| Instrument speed not displayed |
Poor contact of instrument plug |
Re-plug the plug and check if the terminals are abnormal |
Replacing the plug or the terminals in the plug |
| No output of the vehicle speed signal of the controller |
Use a multimeter to detect whether there is voltage on the speed output signal line of the controller |
Replace the controller |
| Meter damage |
Use a multimeter to check whether the input signal of the instrument is normal |
Replace the meter |
| The meter does not display after power on |
Poor contact of instrument line plug |
Re-plug the instrument plug and check whether the terminals are abnormal |
Replacing the plug or the terminals in the plug |
| Meter damage |
Use a multimeter to check whether the input line of the instrument is normal |
Replace the meter |
| The light does not light up after turning it on |
Poor contact of the lamp circuit plug |
Re-plug the plug and check if the terminals are abnormal |
Replacing the plug or the terminals in the plug |
| Damaged lamps |
Use a multimeter to detect whether the input voltage of the lamp is 12V |
Replace lamps |
| The horn does not sound after turning on |
Speaker line plug loose |
Re-plug the plug and check if the terminals are abnormal |
Replacing the speaker input cable plug |
| Damaged horn switch |
Check if the horn switch is on or off with a multimeter |
Replace the left handle switch |
| Damaged speaker |
Turn on the horn switch, and check if the voltage of the horn plug is 12V with a multimeter |
Replace the horn |
