Unless prompted to do so, do not press the trigger when checking any part of the machine.
| 1.Confirm if the noise comes from the main motor. ☆Please contact to Tineco customer service.  | 
| 2.Confirm if the noise comes from the roller brush. ☆Clean brush and make sure the brush is installed in the correct place.  | 
            
        
            
        
        
        
            Where is my serial number?
		            		            
		            		            
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