DeLonghi La Specialista OPERA EC9555 Instrucciones De Uso página 12

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8.1 Cleaning the coffee grinder
1. Clean the attachment area with the brush (C9) (fig. 29).
2. Use the brush to clean the coffee funnel (fig. 30).
Efficient grinding
The burrs are subject to wear over time. This means that with
continuous and regular use, the dial (B4) will need to be turned
toward the higher numbers in order to obtain the perfect dose.
Once a setting of between 30 and 40 has been reached, the extra
grinding range becomes necessary (see section "7. Settings
menu" - "Extra grinding adjustment").
8.2 Cleaning the Espresso Cool filters
These filters have been designed to optimize the cold extraction
process. Clean thoroughly and remove all traces of coffee to en-
sure their efficiency.
1. Following use, rinse the filters with plenty of water (fig. 29)
and press the pierced filter element firmly to make sure it is
correctly in place (fig. 30).
Should further cleaning be required, and in any event at least
once a month, proceed as follows:
1. Remove the pierced filter element by pulling the tab (fig.
31).
2. Check that the hole on the underside of the filter (see fig.
32) is free of any residual matter.
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3. Rinse the filters under running water (fig. 33).
4. Make sure the holes are not blocked. Use a needle, if
necessary.
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5. Dry all the components with a cloth.
6. Insert the pierced filter element and press firmly back in
place (fig. 30).
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8.3 Cleaning the "Smart tamping station"
1. Clean the attachment area with a brush (fig. 34).
2. Pull the lever (A21) down completely and clean the tamper
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with a brush (fig. 35), then release the lever.
3. Use the tube brush (C8) to clean the coffee funnel (fig. 36).
9. WATER HARDNESS
The descale indicator
mined period of operation that depends on a water hardness
setting. The machine can also be programmed according to the
actual hardness of the local water supply, in which case descal-
ing may be required less frequently.
1. Remove the "TOTAL HARDNESS TEST" indicator strip (C6)
from its pack.
2. Immerse the strip completely in a glass of water for about
one second.
3. Remove the strip from the water and shake lightly.
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(B10) lights up following a predeter-
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