What to do if the display of the Mijia Smart Air Purifier Max shows a motor malfunction?

If the screen displays motor malfunction on the Mijia Smart Air Purifier Max, please follow the steps below to troubleshoot:
1. Check if the filter is severely clogged, deformed, or improperly installed.
2. Check if there are any foreign objects in the fan area causing the motor to stall or malfunction, and then unplug the unit for 10 seconds and restart it.
3. Check if the operating environment temperature is too high or too low.
4. Check if the motor's connecting wires are loose or disconnected, and observe if the motor itself shows any obvious signs of burning, unusual odor, or damage.
5. If the above steps are ineffective, please contact the after-sales service center for inspection.