 
        The following documents can be viewed online or downloaded: Operational Safety Guide, User Manual, Maintenance, FAQ & Troubleshooting.
 
                            
                        F09 Grounds Calibration
 
                            
                        F09 Brew System Deep Cleaning
 
                            
                        F09 Descaling
 
                            
                        F09 Switching water supply mode
 
                            
                        F09 Emptying waterway
 
                            
                        F09 No coffee is dispensed
 
                            
                        F09 The coffee machine leaks powder
 
                            
                        F09 The coffee is too weak
 
                            
                        F09 There are beans but the machine indicates
 
            Call Dr. Coffee service hotline (free): 400-8977-711
Monday to Sunday:9:00-20:00