P285U00
05 - 2007
TECHNICIAN MENU
10
1 - FAIlURES
1.1 - FAIlURE READING
NO WATER
WASTE CONT. FUll
AIR-BREAk
VOlUM. COUNTER
INSTANT BOIlER
MACHINE CONTROl BOARD
1.
faIlureS
1.1
readIng the faIlureS
When the “Failure” function is displayed, press the conrm button
“
” to display the present failures.
If no failures are currently present, after pressing the conrm but-
ton “
” the message “End failures” will be displayed.
The possible failures are indicated in the following cases:
Water failure
If the air-break micro-switch is closed for more than one minute,
the water inlet solenoid valve will remain energized until the water
ow is restored.
If the machine is equipped with an internal water supply tank the
pump will be switched off.
Waste container full
The espresso coffee based selections are disabled when reaching
the number of used coffee doses that the solid waste tray can hold.
Air-break
The machine is locked if after 10 selections the micro-switch has
never signalled the lack of water.
Volumetric Counter
The machine is locked in the event of failed computation of the
volumetric counter (ow-meter) within a max. given time.
Instant Boiler
The machine will lock if after 20 minutes of heating from the
machine start, or from the last selection, the instant boiler fails
to reach the operating temperature set at point 2.3.1 of the
Technician Menu.
Machine control board
The machine will lock in the event of failed communication be-
tween C.P.U. board and machine control board.
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