WMF 800 Manual page 86

4 Software update 23
Enter in field „Machine number" the serial number of the coffee machine and close window.
Enter machine number (serial number) of the coffee machine here.
Transfer default configuration date (now with machine number) again through „Set"key (now with machine number) to the coffee machine and thus into
the factory setting memory.
Transfer through „Set"the configuration data to the coffee machine