Rev 0.0
Dr.coffee Service Manual 24
7.4 Eng. Setting
Eng. setting：
Click on "Eng. Setting", enter your password and click OK
to enter.
7.4.1 Ground Cal.
Ground Cal.：
the grinding amount of the grinder can be calibrated.
Click save to effect.
About Grounds Calibration: When the coffee machine is shipped from the factory, it is
calibrated with the test beans. However, when using your coffee beans, the speed of
the grinder may vary, and the amount of powder may deviate from the factory
calibration standard. Therefore, it is recommended to do ground cal. with your own
coffee beans before using the coffee machine.
Warning：Tap” ”turn it on or off to make the function (orange
means turn on, gray means turn off)
If it is turned on, when the accumulated grinding quantity reaches 2000 cups,
the machine screen will reminder “The grinder needs to be ground Cal”; the
next reminder is 7000 cups, 17,000 cups, 27,000 cups, and so on…
If it is turned off, the machine screen won’t reminder.
Steps:
First step: Empty grounds container, place it on the balance scale, weigh it, then put it
back in the machine;
Second step: Click the “Start” button to start grinding and the coffee powder will
automatically fall into the grounds container;
Third step: Take out the grounds container and weigh the coffee powder;
Forth step: Enter the weight of the coffee powder into the “Grounds” on the machine
interface; (Enter the value as an integer, round to the nearest decimal point)
Fifth step：After the above steps are cycled 3 times
Sixth step: The “Save” button will appear on the interface, and all the steps of
calibration will be completed after clicking.
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