Heinner HEM-DL1470BK Instruction Manual page 36

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DELIMING
Mineral deposits built-up in the unit will affect the operation of the appliance. Your
appliance must be delimed when you begin to notice an increase in the time required to
brew espresso, or when there is excessive steaming. Also, you may notice a build-up of
white deposits on the surface of the brew head.
The frequency of cleaning depends upon the hardness of the water used. The following
table gives the suggested cleaning intervals.
Type of water
Soft water (Filtered water)
Hard water (Tap water)
TO DELIME THE WATER RESERVOIR:
1. Fill the reservoir with fresh, undiluted white household vinegar.
2. Allow appliance to sit overnight with the vinegar solution in the water reservoir.
3. Discard vinegar by removing the reservoir and turning it upside down over the sink.
4. Rinse the water reservoir thoroughly with tap water by filling tank half full with water
and then pouring the water back out into the sink, repeating this step twice.
TO DELIME INTERNAL PARTS:
1. Make sure you delime the inside of the water reservoir first by following the
"Deliming" steps above.
2. Make sure to switch the power button to the "O" position and the power cord is
disconnected from the electrical outlet. Fill the reservoir with white vinegar above the
minimum level into reservoir.
3. Insert the porta-filter (with filter and no coffee) and place jar/carafe or regular cup on
top of the drip tray and under the porta-filter.
4. Plug the power cord into the electrical outlet.
5. Press the power button to switch the unit on "I", once the six control panel lights turn
solid blue, press the Espresso Button twice. The vinegar will start flowing through the unit
and it will stop automatically.
6. Place a pitcher or large cup (with at least 325ml/ 11-ounce capacity) under the tube.
Fill the milk reservoir with water and place it back on the unit. Turn the Froth control
knob clockwise to the clean position
activate the clean function. Let the unit dispense the water through the tube for
approximately 30 seconds and then press Latte Button once to stop the process.
7. Repeat steps 1-6 as necessary using only tap water to rinse any remaining traces of
vinegar out of the machine.
SUGGESTED CLEANING INTERVALS
Cleaning frequency
Every 80 Brew cycles
Every 40 Brew cycles
, then press and hold Latte Button for 3s to
1230-1470W, 50Hz, 220-240V
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