1 The device may be faulty or the charger may not be placed correctly.
2 If the device is faulty, contact the customer service or maintenance center of the manufacturer.
3 If the charger is not placed correctly, it is recommended to read the product manual carefully and place the charger correctly according to the instructions.
At the same time, also make sure that there are no obstacles between the charger and the device to ensure that the charger can work properly.