Delonghi EC190 User Manual download pdf (Page 8)

Coffee Maker

Descaling

It is advisable to clean the calcium from the machine every 200

cups of coffee. It is recommended that specific (store-bought)

products for descaling of espresso coffee machines be used. If such

products are not available, it is possible to proceed as follows:

1. Fill the tank with water using 1 litre of water;

2. Dissolve 2 spoonfuls (about 30 grams) of citric acid in the

water (available from chemists);

3. Turn the selector knob to the position and wait until the

‘OK’ light comes on.

4. Check that the filter holder is not attached and place a contain-

er under the outlet of the machine;

5. Turn the selector knob to the position and allow half of

the solution in the tank to flow out.Then stop the flow by turn-

ing the selector to the “O” position (fig. 14).

6. Allow the solution to act for about 15 minutes, then start up

the flow again until the tank is completely empty;

7. To eliminate the remains of the solution and the calcium, rinse

the tank well, fill it with clean water and replace.

8. Turn the selector knob to the position and allow all of

the remaining solution in the tank to flow out (fig. 8).

9. Turn the selector knob to the position (fig.5)

and repeat operations 7 and 8 one more time.

Repairs for malfunctioning caused by problems of calcium

build-up are not covered by the guarantee if the descaling

process described above is not carried out regularly.

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Delonghi EC190 User Manual Page 8