| 1.Confirm if bad smell like Odour,stink,foul smell. ☆Clean dry filter and DWT(Please note: dry filter needs be fully dried before being installed again), clean the brush roller and debris channel.  | 
| 2.Confirm if bad smell like burnt, electric burnning smell, electric burnning smoke? ☆Please contact Tineco customer service.  | 
            
        
            
        
        
        
            Where is my serial number?
		            		            
		            		            
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