descale the appliance .
When the orange light on the button comes on , you should use Delo Descaling only using unsuitable scalar and performing descaling incorrectly may result in faults not covered by the manufacturer's guarantee .
To descale the machine , fill the tank with the descaling solution , diluting with water .
Following the instructions on the pack , press the on off button .
Make sure the philtre holder is not attached and position a container under the cappuccino maker .
Wait for the one and two cup lights to come on steadily indicating that the appliance is ready for use .
Press and hold the steam button for 10 seconds until the three buttons flash in sequence .
Turn the steam dial to the steam position .
Press the button to start descaling .
The D scale programme starts and the descaling liquid comes out of the water spout .
The deca programme removes lime scale deposits from inside the appliance by automatically performing a series of rinses and pauses until the tank is completely empty .
During descaling .
To clean the boiler outlet , close the steam dial from time to time to deliver small quantities of descaling from the boiler outlet , the appliance stops operation and the Orange light continues to flash , indicating that descaling is still underway .
The coffee maker is now ready for rinsing through with clean water .
Extract the water tank empty rinse under running water .
Fill with fresh water up to the maximum level and put back in the appliance empty .
The container used to collect the scalar solution and replace it empty under the hot water spout .
Make sure the steam dial is in the steam position , then press the button to start rinsing .
Important descaling solutions contain ingredients which may irritate the skin and eyes .
The manufacturer's instructions given on the Scalar pack must be followed at all times .