P250U00
11-2005
Technician Menu
1. FAILURES
1.1 FAILURE READING
1. Failures
1.1 Reading the failures
When the “Failure” function is displayed, press the confirm but-
ton “ ” to display the present failures.
If no failures are currently present, after pressing the confirm
button “ ” the message “End failures” will be displayed.
The possible failures are indicated in the following cases:
Water failure
Water failure
Water failure
Water failure
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 flow is restored.
Waste container full
Waste container full
Waste container full
Waste container full
Waste container full
This occurs after the liquid waste container float is triggered.
Air-break
Air-break
Air-break
Air-break
Air-break
The machine is locked if after 7 selections the micro-switch has
never signalled the lack of water.
No cups in the dispenser
No cups in the dispenser
No cups in the dispenser
No cups in the dispenser
No cups in the dispenser
When the empty cup stack micro-switch opens, the stack shift
motor is activated. If after one full turn of the cup dispenser the
micro-switch is not closed the machine locks.
Mobile spouts
Mobile spouts
Mobile spouts
Mobile spouts
Mobile spouts
If the spouts do not reach the dispensing position, the machine
is disabled.
Impeller
Impeller
Impeller
Impeller
Impeller
Failed computation of the volumetric counter within a maxi-
mum given time.
Boiler
Boiler
Boiler
Boiler
Boiler
The machine will lock if after 10 minutes of heating from the
machine start, or from the last selection, the boiler fails to reach
the operating temperature.
Machine control board
Machine control board
Machine control board
Machine control board
Machine control board
Failed dialogue between C.P.U. board and machine control board.
Coin mechanism
Coin mechanism
Coin mechanism
Coin mechanism
Coin mechanism
The machine is locked if it receives a pulse longer than 2 sec-
onds on a validator line or the communication with the serial
coin mechanism does not take place for more than 30 seconds
(Executive protocol) or 75 seconds (BDV protocol).
Coffee release
Coffee release
Coffee release
Coffee release
Coffee release
If after releasing the ground coffee dose the micro-switch of the
coffee doser unit indicates the presence of coffee in the dosing
chamber, all coffee-based selections are disabled.
Coffee unit
Coffee unit
Coffee unit
Coffee unit
Coffee unit
Due to mechanical blocking of the unit. The machine is not locked,
but all tea-based selections are disabled.
No coffee
No coffee
No coffee
No coffee
No coffee
If after a period of 15 seconds of grinding coffee a dose is not
obtained, all coffee-based selections are disabled.
Water failure
Waste container full
air-break
No cups
spouts
Volumetric counter
Boiler
Machine board
Coin mechanism
Coffee release
Coffee unit
No coffee
