Security And Alarms - Carimali DIVA COF Technical Instructions

Table of Contents

FILLING UP TIME OUT

This alarm is visualized on display by code 32

Causes: the stage of boiler fillings has exceeded the maximum time of 7 minutes as a first filling, the others will take 2 minutes;

the level of the probe (SLC) has not been reached.

Result: the machine is OFF, and an alarm message appears on the display

Solution: carry out the following controls.

Level probe (SLC) is dirty, so isolated from the water (the complete filling of the boiler is checked)

no water from mains

low water pressure

faulty motor pump

faulty filler solenoid valve

incorrect electrical connections (level probe (SLC) check cord)

PC board relè

To reset the alarm switch the machine OFF and then ON again

2) STEAM TEMPERATURE

This alarm is visualized on display by code 38

Result: the machine is OFF, and an alarm message appears on the display

First case: the temperature inside the boiler has reached the limit value of 129°C (264.2°F) or more.

Result: boiler heating is interrupted and all dose buttons are disabled.

Solution: turn OFF the machine. Replace the electromagnetic switch as its contacts might get stuck. Turn the machine ON.

Second case: the temperature probe is defective. The probe sends the following signal to the pcb: 0 Ohm (short circuit)..

Result: boiler heating is interrupted and all dose buttons are disabled.

Solution: turn OFF the machine. Replace the temperature probe. Turn the machine ON.

Third case: the temperature probe is defective. The probe sends the following signal to the pcb: 154 Ohm (open circuit)

Result: boiler heating is interrupted and all dose buttons are disabled.

Solution: turn OFF the machine. Replace the temperature probe. Turn the machine ON.

3) FLOW METER

This alarm is visualized on display by code 42

Cause: the volume meter is not sending signals to the control unit within a time-out of 5 seconds.

Result: delivery continues up to a time-out of 240 seconds or until the selected key is pressed,

Solution: carry out the following controls.

1) No water from mains (coffee is not dispensed)

2) Clogged group (coffee is not dispensed)

3) Faulty group solenoid valve (coffee is not dispensed)

4) Clogged entrance filters (coffee is not dispensed)

5) Blocked or faulty flow meter (coffee dispensed continuously)

6) Faulty electrical connection (coffee dispensed continuously).

Note: If the coffee is dispensed continuously, use the machine as if it were manual: press the required key to start up the dose,

then press the same key to stop the dose being dispensed, after checking the amount in the cup.

If dispensing continues until the above mentioned time-out of 120 seconds, the dispensing will be stopped and display shows:

The message signals that a time-out problem of the flow meter occurred.

At the next dose the message will be cancelled if dispensing is carried out correctly.

LB.05099.02