Tecnik HB2TI5T0 - Cooling fan; Before using for the first time; If the symbol and three zeros are flashing in the display; Heating up the oven

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          
         
 
     
         
       
        
     

          
       
  
     
       
         
         
     
         
   
      
       
  
       
      
       
 
     
    

   

 
