Unless prompted to do so, do not press the trigger when checking any part of the machine.
| 1.Confirm pins whether are stuck or have foreign material?  ☆Please clean pins between DWT and main body.  | 
| 2.Confirm If pins of DWT are sunken or pins of the machine are stuck? ☆Please contact to Tineco customer service.  | 
      
    
      
    
    
    
            Where is my serial number?
		            		            
		            		            
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