Setting the water hardness is an important step for your new bean to cup machine. It will ensure the descale warning correctly identifies when you require a descale.
Please use the water hardness strip supplied with your machine. One is also included with the Coffee Care Kit.
Please see the following tutorial for your Magnifica ESAM4200 machine:
For other models please see our tutorial video YouTube site at http://www.youtube.com/user/delonghihowtouk
Coffee accessories such as descaler, filters, coffee care kits and accessories can be purchased here: http://www.delonghi.com/en-gb/products/coffee/coffee-makers/coffee-accessories. Delivery is free for orders from our main website when the basket total is over £20.00.