Miele CVA 6401 Operating And Installation Instructions page 76

Frequently Asked Questions
Problem
During rinsing, no or
considerably less rins-
ing water than usual
comes out of the main
dispenser.
No or considerably less
coffee than usual
comes out of the main
dispenser. The displays
and preparation noises
are unchanged.
The waste unit contains
considerably more "cof-
fee water."
The descaling program
was started uninten-
tionally.
Loud noises are heard
during the descaling
program.
The display lights up
but the coffee system
does not heat up and no
drinks are made.
76
Possible cause and solution
The main dispenser is not correctly mounted.
 Make sure the main dispenser has been assem-
bled as described (see "Cleaning and care – Main
dispenser").
The cap is no longer sitting firmly on the main dis-
penser connector (see "Guide to the appliance").
 Check the cap of the main dispenser connector.
Grease the cap with the included silicone grease.
The cap of the main dispenser connector is damaged
or missing.
 Replace the cap with the provided spare part.
 Lubricate the cap with the included silicone
grease.
The descaling program cannot be stopped once the
OK button has been tapped.
Descaling must be continued through to completion.
This is a safety precaution to make sure the machine
is descaled correctly. This is important for the
longevity and functional efficiency of your coffee sys-
tem.
 Descale the coffee system (see "Descaling").
This is not a fault.
These noises occur when water is flushed through
the machine at a high pressure.
The Demo mode of the coffee system has been acti-
vated.
 Deactivate the Demo mode (see "Settings - Demo
mode").