T
EST MODE 1
In this level the operation of the brew unit and the
capsule release coil are tested
B
y pressing UP the gear motor drives the
brew unit to the upper position (working
position).
Upon reaching this position, on the line 2
of the display, the number 1 will appear.
By pressing DOWN the gear motor dri-
ves the brew unit to the lower position
(resting position).
Upon reaching this position, on the line 2
of the display, the number 2 will appear.
During the motion of the brew unit, the
force acting on it, will appear on the line 4.
The number displayed does not correspond with a mea-
sure unit but is proportional to the current used by the
motor.
Press CANCEL to activate the coil of
the capsule release.
By pressing the enter button the next
test mode level is reached (level 2).
TEST MODE 2
In this level the operation of the pump, the coffee
solenoid valve, the steam solenoid valve are chec-
ked (the last two only for De Luxe model)
By pressing UP the steam solenoid
valve is activated
By pressing DOWN the coffee solenoid
valve is activated.
Press CANCEL to activate the pump; on
the line 4 of the display the flow rate in
pulse/sec will appear.
By pressing the enter button the next
test mode level is reached (level 3).
TEST MODE 3
In this level the operation of the boiler heating ele-
ments is checked.
By pressing UP the main heating element
of the boiler is activated.
By pressing DOWN the secondary hea-
ting element of the boiler is activated.
Some faults are indicated regarding the
temperature sensor as (sensor short cir-
cuit or sensor open circuit)
The temperature is always displayed.
28
Manual code 10083445 / Rel. 0.00 / April 2010
Maintenance manual for technical assistance LB 2300-2301-2302-2311-2312
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