Testing The Water Hardness; Clean The Water Tank - WMF 900 User Manual

Initial setup
2.3

Testing the water hardness

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Briefl y dip the provided Carbonate hardness-test strips (about 1 Second) into your tap water.
One minute later, you can read the degree of hardness with the help of the colour scale on the test strip
package.
Enter the value with the initial settings (Chapter 29 Initial settings).
2.4

Clean the water tank

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Remove the water tank from the automatic coffee machine.
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Remove all the accessories from the water tank.
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Thoroughly rinse the water tank with tap water and a mild cleaning agent.
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