3
WMF presto Service manual edition 08/2007
4.9 Display illumination 18
4.10 Grounds container 18
4.11 Fan 18
4.12 Power status 18
4.13 submenu choc dispenser / topping 18
5 Software service routines
5.1 Service routines overview 19
5.2 First Run up 19
5.3 Idling current grinder 20
5.4 Filling the boiler 20
5.5 Filling the steam boiler 20
5
.6 Exchanging control battery at F 157 21
5.7 Depressurization 21
5
.8 Descaling 21
5.9 Filter replacement 21
5.10 Filter rinse 21
6. Beverage data
6.1 Beverage data overview 22
Overview of beverage data main menue.g. cappuccino. . . . . . . . . . . . . . . . . . . . . . . . . 22
Overview of beverage data main menue.g. hot water . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.2 Additional laptop setting options (KonfigTool) 22
7 Error messages and events
7.1 Display messages 23
7.2 Error list 24
7.3 Reasons for reset 28
7.4 Standby causes 28
8 Mechanical settings
8.1 Grinder setting (coarse - fine) 29
8.2 Setting pressure reducer 30
9 Maintenance schedules
9.1 Customer check-up 31
Customer check-up routine
9.2 Service-maintenance 31
9.2.1 Maintenance sets (Service level 2)for service-maintenance 2/30.000 . . . . . . . . . . . 31
9.2.2 Service/maintenance routine 2/30.000 (Service level 2) . . . . . . . . . . . . . . . . . . . . . . . 33
Machine with fresh milk, withoutchoc/topping, water tank model
Additional work for machines with choc/topping
Additional work for worn grinding-disks
9.3 Revision 34
9.3.1 Maintenance sets for revision 6/90.000(Service level 3). . . . . . . . . . . . . . . . . . . . . . . 34
9.3.2 Revision routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
9.3.3 Coffee machine revision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
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