Miele CVA 4066 Operating And Installation Instructions page 60

Frequently asked questions
The machine does not rinse when turned on although the automatic rinse
feature is set to "On".
When the machine is still at a temperature of about 140°F (60°C). The machine
will not rinse when it is too hot.
The water (or milk) dispensing stops when programming the serving size.
Possible fault
– There was not enough water in the
tank or milk in the milk container. The
dispensed amount will not be saved.
– If the maximum amount is
dispensed, the flow stops
automatically. The maximum amount
is saved.
Water is in the waste unit.
Possible fault
This is not a fault.
"Coffee water" is in the waste unit.
Possible fault
– If the grind setting is too coarse, this
can result in too much coffee water
in the waste unit.
– The main dispenser cap is not
positioned correctly.
The descaling process was started accidently.
The descaling process cannot be canceled once it is started. The process
needs now to be completed. This is a safety feature to ensure the process will be
completed. It is important for best results and the longevity of the machine.
See "Descaling".
The machine makes loud noises during descaling
During a descaling cycle, the machine is relatively loud because water is being
forced through the lines at high pressure. This is not a fault.
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Solution
– Fill the water tank or milk container
before programming the serving
size.
Solution
This is residual water from the cleaning
process.
Solution
– Adjust the grind setting and/or
amount of coffee.
– Lubricate the cap with the supplied
silicone grease.
– If the cap is faulty, replace it with the
spare part supplied.