What to do if the Xiaomi Truclean W20 Wet Dry Vacuum displays a fault prompt?

When the vacuum cannot work properly, abnormal information will be prompted through the display screen and buzzer.
1. When the indicator shows, the device will beep three times, which means that the dirty water is almost full. You need to clean the dirt water tank and reinstall it;
2. When the indicator shows, the device will beep three times. You need to check the suction port of the floor brush, the dirty water pipeline, the filter, or the filtering basket for any blockage and clean them.
3. The vacuum cleaner does not work:
(1). Check if the battery is exhausted. Please fully charge the vacuum before use;
(2). The battery has overheating protection. Try again after the battery temperature returns to normal;
(3). Check whether the dirty water tank is full. Clean the dirty water tank and reinstall it;
(4). Check whether the filter or the filtering basket is blocked. Please clean the filter and the filtering basket before use;
(5). Check whether the suction port of the floor brush or the dirty water pipeline is blocked. Clean the suction port of the floor brush and the dirty water pipeline;
4. The vacuum cannot recycle dirty water properly:
(1). Check whether the filter is not installed. Install the filter before use;
(2). Check whether the filter or the filtering basket is blocked. Clean the filter and the filtering basket before use.
After troubleshooting according to the above methods, the relevant fault cannot be resolved. Please contact the after-sales service center promptly.