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3.8 Overheating

The system has a safety mechanism in case of failure in the temperature control that may cause

the pressure to increase in the boiler.

This safety mechanism is activated when, for whatever reason, the temperature of the boiler

surpasses the maximum temperature by more than two degrees, or when the programmed

temperature is lowered by more than two degrees.

At this moment the screen shows the text, “OVERHEATING, CALL SERVICE TECHNICIAN”,

although the machine can continue working, since the system has a parallel control, which will

maintain the machine in controlled working order until the Technical Service carries out the repair.

The screen disappears when the temperature drops to the maximum level and appears again

when the temperature surpasses the maximum temperature by two degrees again.

3.9 Programming

This screen is shown whenever in the portion programming cycle and disappears when leaving

this cycle.

3.10 Clean Groups

This screen appears when the quantity of coffees made reaches the programmed amount (see

point g in section 3 of “AUTHORISED PERSONNEL ONLY” screens.

This screen will only cease to appear when a cleaning cycle has been carried out and will never

appear if this function has not been authorised.

EQUIPMENT CLEANING CYCLE PROCEDURE

1.- Turn the general switch to the ZERO position

2.- Place a filter holder with a blind filter in each group.

3.- Keeping the key pressed for 2 LARGE coffees of any group, turn on the general switch to position

ONE. The indicator of the above-mentioned key will light up and after about 4 seconds the

cleaning cycle will start up showing a screen with the message “GROUP CLEAN CYCLE START”.

When the cycle has finished it will show a message on the screen: “GROUP CLEAN CYCLE

FINISHED”.

4.- To leave the group cleaning cycle and erase the message displayed on the screen, turn the

general switch to the ZERO position.