Unless prompted to do so, do not press the trigger when checking any part of the machine.
| 1.Confirm if brush roller is tangled? ☆Please clean brush roller and debris channel.  | 
| 2.Confirm if brush roller install well? ☆Please make sure brush roller installed well.  | 
            
        
            
        
        
        
            Where is my serial number?
		            		            
		            		            
Choose your model