In order to enable the laptop to communicate with the coffee machine, it is necessary to install a corresponding USB driver (FTDI driver). Please find this driver

here:

www.servicecenter.wmf.de

-> software for technicians - > WMF 800/900S. After having assigned this driver in Windows to the corresponding coffee ma-

chine type, this coffee machine has to be assigned to a fixed com port below com6 in the device manager.

Download FTDI driver (CDM 20600.exe) and save in a folder.

Start the downloaded file – „CDM 20600.exe" – by a double clock, the FTDI driver installs itself now

Connect coffee machine and laptop by means of a USB cable and switch on coffee machine now.

11.3

Assign Com Port

In order to grant a safe coffee machine update the coffee machine has to be assigned in the Windows device manager to a fixed com port, this com port must be

below com 6.

 Open the following window in Windows – „System control" –> „System" -> „device manager":

Now open the path – Ports (com and LPT)

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