Descaling – DeLonghi EC 140 Series User Manual
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DESCALING
It is advisable to clean the calcium from the machine every 200 cups of coffee. It is
recommended that specific products for descaling an espresso maker be used. If
such products are not available, please proceed as follows:
1.
Fill the tank with 1-liter of water.
2.
Dissolve 2 spoonfuls (about 30 grams) of citric acid in the water.
3.
Turn the machine on by pressing the ON/OFF switch.
4.
Make sure that the filter is not attached and place a container under the
outlet of the machine.
5.
Wait until the OK indicator light illuminates, then push the espresso /
water delivery switch. Allow the hot water to flow until the water tank is
completely empty.
6.
To eliminate the remains of the solution and the calcium, rinse the water
tank well. Then fill it with clean water and replace. Empty the container
that was under the outlet of the machine, and then replace the container.
7.
Turn the machine on again and allow the remaining solution in the water
tank to flow out into the container beneath the outlet.
8.
Repeat this procedure several times to make sure that none of the citric
acid / water solution remains.
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