Question about Krups ProAroma 453-42 Coffee Maker

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The display reads CALC.

What does it mean when the display reads CALC?

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Cannister leaks all the water out

Posted on Dec 14, 2007

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I have a Krups model FME4 and it means that you should descale the machine. Here's a link to the use and care instructions for my model, I assume it would be the same for yours.{EC10140D-AA43-4DCA-8D3A-A5A4823D9E52}&SelectedProdRef=FME4
My problem is that CALC continues to display even after I've descaled several times. Good luck with yours.

Posted on Oct 30, 2007


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What do you do when it says calc. on the display?

Calc is indicating that it's time to descale the lime build up inside your coffee maker. Most machines are easily cleaned by running a solution of 4 parts water to 1 part vinegar. Run this solution through a regular coffee cycle (no coffee). After running this solution, you may want to run straight water once more to ensure there's no vinegar aftertaste. Your machine will now be clean and the CALC message should disappear. If not, post back with the Model # of your Krups coffee maker for further instructions. Some machines have a Descale or Self Cleaning option built into them.

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Here you have how to solve this issue. It has been obtained from the device's manual.
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