DESCALING
The expresso machine has to be descaled regularly. The frequency depends on the water hardness and of the use frequency.
1.Remove the scale and the coffee residues from the filter grid and from the support of the filter holder. It is recommended to use only liquid descaling agent that can be found in shops and in the proportions indicated on the packing paper by the producer.
2.Place the container under the support of the filter holder (Caution: do not use the filter holder during the descaling).
3.Press the ON Switch, wait for the blue ready light to illuminate and turn the function selector to 
.
4.When the solution has finished flowing, turn the function selector to “0”, switch off the appliance and let it cool down.
5.Repeat this operation a second time.
Then proceed in the same way but this time only with fresh water to rinse the inner side of the circuit. For a good rinsing, the equivalent of two expresso tanks has to pass through the circuit. Switch off the appliance and remove the plug from the power supply. Let it cool down.
Attention: Never use vinegar as descaling agent.
Some recognizable signs indicate that descaling is necessary:
•Increase of the noise during boiling.
•A longer time of decoction cycle
For a regular use, the descaling has to be done in the following periodicity:
•With little bit hard water, once a year
•With middle hard water, once a trimester
•With hard water, once a month.
In case of doubt concerning the water quality, ask your local water company.
9 | USK EXP 4 - 070830 |
