Unless prompted to do so, do not press the trigger when checking any part of the machine.
| 1.Confirm whether the brush roller or debris channel is clogged? ☆Yes. Please remove blockages, clean the debris channel. 2. Confirm whether the device is hot because of blockages? ☆Please cool down the machine for an hour before use.  | 
            
        
            
        
        
        
            Where is my serial number?
		            		            
		            		            
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