68
Please re-insert
Grouts container!
©
The message disappears automatically
when the container is re-inserted
Please proceed
cleaning cycle
©
The message disappears automatically
when cleaning is carried out
9.3
Information for the operator
Please bear in mind that this is a professional commercial coffee machine. A machine of this
type requires regular maintenance by our WMF Customer Service. The maintenance interval
depends on how heavily the machine is used, but maintenance should be carried out at least
once a year.
The displays listed below inform the operator of certain operating conditions.
READY
Pre-sel. 01
11:21
20.04.^
©
Machine is operational and the
heating is on “^”.
LOCKED
11:21
20.04.^
©
The display always alternates with a
“Message for the operator”.
Maintenance!
Call customer service
©
This display alternates with the
prompt “Heating!” after switching on
if the service interval or set number of
brews has been exceeded.
Filter Exchange!
Call customer service
©
This display alternates with the
prompt “Heating!” after switching on
when the set number of litres for the
WMF water filter has been reached.
You can now obtain further information on the next servicing date, the number of brews of your
WMF BISTRO and the condition of your WMF water filter.
For this purpose, turn the lock switch
4
to
“A”
(Accounting) and press first the
key and then
the
key. The following display appears for four seconds:
Info Mainten. 12.1998.
006347/030000 brew.
©
Next service due in December 1998.
The brewing unit must be serviced
after 30.000 brews, 6347 brews have
already been completed.
If a water filter is installed and the filter change display has been activated by the WMF customer
service technician, the following display will appear for four seconds:
Info Filter Exchange
01512 / 02500 Litres
©
The WMF water filter must be
replaced when 2500 litres of water
have passed through. 1512 litres have
already been used.
Note:
Scale deposits will form in the machine and cause hygiene problems if the filter is
not changed in good time.
10 WMF Customer service