400
T
5.10 ALARM MANAGEMENT
The machines of this series signal possible malfunctions through symbols on the control panel and touchpads.
1. LED CORRESPONDING TO THE COFFEE DOSE BEING delivered FLASHING AFTER 5-6 SECONDS:
Too fine grinding.
Failed reading of the pulses sent by the flow meter to the delivery group.
After checking grinding, if the problem continues, contact an authorised Service Centre.
2. ALL DOSE SYMBOLS ON ALL TOUCHPADS FLASHING AND TEMPERATURE SYMBOLS SWITCHED OFF:
The automatic refill system for the boiler has been operating for longer than 3 minutes (total block of all machine functions).
To return to normal operation, turn off the machine with the ON/OFF switch (12).
If the problem persists, switch off the appliance and contact an authorised Service Centre.
3. “125 °C” SYMBOL ON AND BLINKING; ALL OTHER SYMBOLS SWITCHED OFF:
When the temperature taken by the sensor is above 140°C (total block of all machine functions).
To return to normal operation, turn off the machine with the ON/OFF switch (12).
If the problem persists, switch off the appliance and contact an authorised Service Centre.
Then the display shows the counters again.
Take note!
It’s not possible to reset the total counter.
Fig. 16
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