221 2 364 5This menu performs the automatic descaling cycle. Descaling is necessary every 3-4 months, when water dispensesmore slowly than normal, or when the machine indicates the need to descale. The machine must be turned on andwill automatically manage the dispensing of the descaling agent.A PERSON MUST BE PRESENT DURING THIS OPERATION.WARNING! NEVER USE VINEGAR AS A DESCALER.Saeco descaler is recommended; however, you can use any non-toxic and/or non-harmful descaling product forcoffee machines. The used solution is to be disposed of according to the manufacturer’s instructions and/orregulations in force in the country of use.Descaling cycle> maintenance > descaling > execute nowDescaling is performed at a controlled temperature. If the machine is cold, you must wait until it has reached theright temperature; otherwise you must cool the boiler as follows:Note: before beginning the descaling cycle make sure that:1. a large enough container is positioned under the water spout;2. THE WATER FILTER HAS BEEN REMOVED.Turn the knob to theposition.Place a container beneath thesteam spout.If the boiler needs to warm up, the machine does so automatically. When the heating phase is complete, the “openwater knob” message appears. Then proceed as described in step 5.MAINTENANCE3 maintenance 3.2 descaling 3.2.2 descalingexecute nowopenwater knob1. 1. 1.2.2.2.