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DELIMING
Mineral deposits built-up in the unit will affect the operation of the appliance. Your appli-
ance 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.
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 "Deli-
ming" 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 3 control panel lights turn
solid blue, press the Espresso/Custom 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 325 mL/ 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 " ", then press the latte/clean button for 3 se-
conds to activate the clean function. Let the unit dispense the water through the tube
for approximately 30 seconds and then press the Latte/clean button once to stop the
process.
7.
Repeat Steps 1 – 7 as necessary using only tap water to rinse any remaining traces
of vinegar out of the machine.
12
2021-04-20 OCG BluMill Coffee Machine Manual V02.indd 12
2021-04-20 OCG BluMill Coffee Machine Manual V02.indd 12
Type of water
Cleaning Frequency
Every 80 brew cycles
Every 40 brew cycles
06-05-2021 10:03
06-05-2021 10:03
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