Profitec DRIVE Bedienungsanleitung Seite 153

2. Switch off the machine using the on/off button.
The LED ring goes out.
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3. Place a large container underneath the hot water wand.
4. Open the hot water tilt valve (see Chapter 5.2.3, „Operating levers"),
The boiler water is emptied via the hot water wand.
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5. Close the hot water tilt valve.
6. Rinse the boiler with fresh water (see Chapter 8.1.3 or 8.2.3, „Rinsing the
machine").
11.7 Cleaning the brew group
Not cleaning the brew group properly could cause premature wear. Clean the
brew group as per the following instructions.
The machine has a reminder function "Cleaning Reminder" (see Chapter
10.3.6, „Cleaning Reminder"). If the function is activated, a reminder to clean
the brew group will appear on the display after a preset number of extractions.
Clean the brew group after having made approx. 90 to 140 cups of espresso. It
is also recommended to clean the brew group once after the machine has not
been used for a relatively long stretch of time.
The following are required for cleaning the brew group:
• The cleaning brush provided
• The blind filter provided, and
• A powder detergent available at a specialist retailer for cleaning and
degreasing the brew group
Too frequent backwashing with a degreasing agent can lead to degreasing
of the shaft and brew lever gasket.
This results in squeaking of the brew group as well as increased wear.
The squeaking is reduced over time by the oils in the coffee. However, it is
recommended to backwash from time to time using only the blind filter and
without grease-dissolving cleaning powder. This dissolves coffee residues
and prevents them from settling in the brew group.
11.7.1 Cleaning the brew group gasket and shower screen
1. Switch on the machine using the on/off button.
The LED ring lights up.
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2. Wait until the set brew temperature is shown on the display.
3. Clean the brew group gasket and shower screen using the brush
provided (see Chapter 11.7.1, „Cleaning the brew group gasket and
shower screen").
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