Maintenance manual for technical assistance
Manual code 10066846 / Rel. 0.00 / March 2012
24
PROBLEM
CAUSE
SOLUTION
Steam mixed with water comes
out from pipes
The boiler level is too high.
check the level probe for correct po-
sition and presence of any surface
lime scale.
The machine does not dispense.
no water mains.
check that there is water in the
mains.
The solenoid valve of the brewing unit is
defective.
Replace the solenoid valve of the
brewing unit.
The pump is jammed.
Replace the pump.
The fuse of the control unit is burnt out.
Replace the solenoid valve protection
fuse (1a).
The injector is clogged.
clean or replace the injector.
The brewing unit solenoid valve is
clogged or dirty.
clean or replace the solenoid valve.
The flowmeter is jammed.
check/replace the flowmeter.
Water leaks from the machine.
The drain tray does not discharge.
check the sewer drain.
The drain pipe is broken or detached or
clogged.
check and restore the connection of
the drain pipe to the drain tray.
Water leaks in the hydraulic circuit.
check and eliminate any hydraulic
leaks.
coffee is cold.
The heating element is damaged.
Replace the electrical heating
element.
The electrical connection is defective.
check for possible defects on the
connection.
lime scale on the exchangers and/or the
heating element.
clean the machine.
The pressure switch contacts are
oxidized.
clean or replace the pressure switch
contacts.