4.6
Choc dispenser submenu
Test portioner, choc valve is also activated
Test of the mixer motor
Test of the choc valve
4.7
External pressure pump
Activation of the external pressure-enhancing pump
(e.g., mobile station)
Display “water pressure” indicates the tank sensor’s
message “water in tank”. The machine’s internal water
pressure monitor is not used in mobile installations.
4.8
Espresso pump
During the test, the flow heater is automatically
depressurized via the brewing-valve. Thus the test can also
be run with the machine at operating temperature.
Brewer must be able to run!
Setpoint 7,5 +/- 0,5 bar
Pressure is displayed with the gauge that is attached to the
pump adapter.
4.9
Ground container
Indicates if the micro switch switches the 24 V.
4.10 Backup battery
During the test the battery is short-circuited, which
shortens battery life.
4.11 Power supply submenu
Switching the 24/30V on/off from the power supply
Message “Power failure” at the control unit
4.12 Fan
Tests function and current consumption
21
Service manual WMF bistro! Edition 08/2011
WMF bistro! Service manual
