What should I do if the Air Purifier behaves abnormally?

Please cut off the power immediately in any of the following cases:

? If one of the switches is not working properly.

? The circuit breaker is triggered, or the fuse is blown.

? The adapter cable or plug is overheating.

? There is abnormal scorching/smell/sound/or vibration, or if there is any other abnormal phenomenon or malfunction.