18 Malfunctions and related solutions
MALFUNCTION CAUSE SOLUTION
MACHINE LACKING POWER
• The general switch is in the "OFF" position.
• The machine switch is defective
• The mains power supply switch is in the OFF position.
• The wiring is defective
• Place the main switch in the "ON" position.
• Replace the main switch.
• Place the main switch in the ON position.
• Check for any faulty connections.
NO WATER IN BOILER
• The water supply tap is closed.
• The cut-o tap of the automatic level device is in the
closed position.
• The pump lter is clogged.
• The motor pump is disconnected or jammed.
• The water lling solenoid valve is defective.
• The water inlet solenoid valve lter is clogged.
• Open the water supply tap.
• Open the automatic level device tap.
• Substitute the pump lter.
• Check the motor pump.
• Replace the water lling solenoid valve.
• Clean or replace the lter of the solenoid valve.
TOO MUCH WATER IN THE BOILER
• The solenoid valve of the automatic level device is
defective
• The level probe is out of order (clogged by lime scale)
• Replace the solenoid valve of the automatic level
device.
• Replace the level probe.
STEAM DOES NOT COME OUT OF NOZZLES
• The machine is o.
• The electrical heating element is faulty.
• The temperature probe is faulty.
• The nozzle sprayer is clogged.
• Fuse F7 is burned out.
• Turn on the machine.
• Replace the boiler's electrical heating element.
• Replace the temperature probe.
• Clean the steam nozzle sprayer.
• Replace fuse F7.
STEAM MIXED WITH WATER COMES OUT
OF THE NOZZLES
• The boiler level is too high.
• Check the status of the level probe: check if it is posi-
tioned correctly and check for any surface lime scale.
NO DELIVERY
• No water supply.
• The group solenoid valve is faulty.
• The pump is jammed.
• The control unit fuse F1 is burned out.
• The injector is clogged.
• The group solenoid valve is clogged or dirty.
• The group lter is clogged.
• The volumetric dosing device is blocked.
• The inlet and outlet taps of the dispenser are closed.
• Check that there is water in the mains.
• Replace the group solenoid valve.
• Replace the pump.
• Replace fuse F1.
• Clean or replace the injector.
• Clean or replace the solenoid valve.
• Clean or replace the lter.
• Check/replace the dosing device.
• Open the taps.
WATER LEAKS FROM THE APPLIANCE
• The pad does not drain.
• The drain pipe is broken or detached or the water
ow is obstructed.
• Hydraulic leaks in the hydraulic circuit.
• Check the sewer drain.
• Check and restore the connection of the drain pipe
to the pad.
• Identify and eliminate any hydraulic leaks.
COFFEE IS TOO COLD
• The electrical heating element of the coee boiler
is faulty.
• The wiring is faulty.
• Lime scale on the heating element.
• The heating element protection thermostat inter-
vened.
• Machine switch in “OFF” position.
• The control unit fuses F2-F3-F5-F6 are burned out.
• The safety thermostat of the boiler or group is
disabled.
• Replace the boiler's electrical heating element.
• Check for any faulty connections.
• Clean the machine.
• Reset the heating element protection.
• Place the main switch in the "ON" position.
• Replace the interrupted fuses.
• Reset the safety thermostat of the boiler or of the
group.
COFFEE IS TOO HOT
• The set temperature for the coee water is too high.
• The set temperature of the group is too high.
• Reduce the set coee water temperature.
• Reduce the group temperature.