10. TROUBLESHOOTING
10.1. Signalling and solutions to the most common problems
PROBLEM
CAUSE
SOLUTION
No electrical power on the ma-
chine.
The on/off switch is placed to “0” position. Place the on/off switch to “I” position.
The on/off switch is damaged.
Replace the on/off switch.
The network switch is placed to OFF po-
sition.
Place the network switch to ON posi-
tion.
The connection to the electrical network
is defective.
Check for possible connection de-
fects.
No water in the boiler.
The valve of the water mains is closed.
Open the water mains valve.
The pump filter is clogged.
Replace the pump filter.
The power pump is disconnected or bloc-
ked.
Check the power pump.
The water inlet solenoid valve is dama-
ged.
Replace the water inlet solenoid
valve.
The filter of the water inlet solenoid valve
is clogged.
Clean or replace the solenoid valve
filter.
Too much water in the boiler.
The solenoid valve of the automatic level
device is damaged.
Replace the solenoid valve of the au-
tomatic level device.
The heat exchanger is perforated.
Replace the boiler.
The solenoid valve of the automatic level
device remains connected.
Check the level probe, the earth of
the frame and the operation of the
electronic control unit.
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 bre-
wing 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 clog-
ged or dirty.
Clean or replace the solenoid valve.
The flowmeter is jammed.
Check/replace the flowmeter.
22
Manual code 10066574 / Rel. 2.00 / February 2012
Maintenance manual for technical assistance
