INSTRUCTION MANUAL FOR THE INSTALLER
LSI 001 -EN- REV. 06
45
BOILER WASH CYCLE
It is possible to change the water in the boiler automatically.
For the operations to be performed, please refer to the “USE AND MAINTENANCE MANUAL” for
the appliance.
NOTE.
The water level control in the boiler can be carried out using a conduction probe (S) or a magnetic reed
(floater) (R).
On the control-board, it is possible to select the kind of control according to the system used arranging for
the connections R-0-S (see the chapter “Diagrams for electronic board connection” on page 62).
R 0 S Water level control by magnetic reed (floater)
R 0 S Water level control by conduction probe
4.3
ALARM CONTROL – EK MODEL
Damaged water refill system (21-19 on and 20-18 flashing)
This alarm is a blocking one and is viewed when the automatic refill for the boiler has been in operation for
more than
4 minutes. To restore the standard operating phase, switch the appliance off for a while using
the main switch (3): if the problem is still there, check the automatic water refill system of the boiler.
Damaged flow meter (the LED corresponding to a group that is on delivery mode, is flashing) after
5 seconds
This alarm can be viewed when, while during coffee delivery, there is a failure in the flow meter operation
of the group that is on delivery mode, or if the grinding degree is too fine.
Damaged transformer (20-18 on and 21-19 flashing)
This alarm is a blocking one and is viewed when there is no power (24V) to the transformer secondary
feeding the solenoid valves of the groups and the automatic refill system of the boiler.
Stop on p5 (LED corresponding to the group on delivery mode)
This alarm is viewed when delivery performed using the manual delivery button
has been in
operation for more than
4 minutes.
To cancel the alarm, press the button
again.
Loss of data (21-18 on and 20-19 flashing)
This alarm is viewed when the data preset by the operator are lost and default data are restored. To cancel
the alarm press the cup warmer button (24). If the problem persists, replace the control board.
