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12.
Press the locking pin on the underside of the
housing cover of the automatic double metering
unit
25
(Fig. 20).
Caution!
Cleaning solution now emerges and must be collected
in a vessel or drained off safely.
Fig. 20
13.
Always drain the urn via both the spout and the
double metering unit
25
so that all lines in contact
with coffee are actually cleaned.
14.
Rinse the storage urn with clear water.
15.
Close the spout and double metering unit
25
.
16.
Press the bar on the double metering electrodes
26
with a lintfree cloth (Fig. 21).
Fig. 21
When cleaning is necessary
The WMF PROGRAMAT GV records the operating
time starting from the first brewing after cleaning.
Once 26 hours have elapsed, there will be a
Cleaning warning:
Every time the button NORMAL or SPECIAL is
pressed, these buttons and the cleaning display
29
will
flash for approx. 2 seconds.
►
For units in continuous operation, cleaning must be
carried out within the next 24 hours. Otherwise
coffee brewing will be blocked.
►
For units that are switched off after a operating
time of 26 hours, a cleaning cycle must be run upon
switching on the machine. Only after that cleaning
program, brewing are possible.
Cleaning warning:
On switching on, the buttons NORMAL and SPECIAL
will flash quickly and continuously. The cleaning
display
29
will also flash.
26
