Descaling
When descaling the machine, cover delicate surfaces and natural flooring to prevent damage from splashes of descaling solution. Ensure that any splashes of descaling solution are wiped up im- mediately.
Limescale builds up in the coffee machine through use. How often the appliance needs to be descaled will depend on the water hardness level in your area. The machine should be descaled regularly to ensure that it functions correctly.
The machine will guide you through the descaling process. Various messages will appear in the display, e.g. you will be prompted to empty the drip tray or fill the water container.
Descaling must be carried out.
The coffee machine prompts you when it needs to be descaled. "No. of portions until appliance needs descaling: 50" appears in the display. Each time a drink is prepared, the coffee machine displays the number of portions remaining until descaling must be carried out.
Touch OK.
When the number of remaining portions reaches 0, the machine will lock out. Then "Descale appliance" will appear in the display.
You can switch off the coffee machine if you do not want to descale it at this point in time. However, you will be not be able to make any more drinks until descaling has been carried out.
Descaling after prompt appears in the display
The descaling programme cannot be cancelled once you have touched OK. The programme has to be completed through to the end.
To start the descaling programme straight away:
Touch OK.
The process will start.
Follow the instructions given in the display.
When "Fill water container with lukewarm water and descaling agent up to the symbol and replace it" appears in the display, proceed as follows:
Make up the descaling solution
The descaling tablets supplied have been specially designed for Miele coffee machines. They can be purchased at
You will need 1 descaling tablet to descale the machine.
Only use the Original Miele descaling tablets supplied with the machine. Other descaling tablets may damage the coffee machine and affect the taste of the coffee.
Fill the water container to the symbol with lukewarm water.
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