TECHNICIANS' manual 75 of 104
9. DISPLAY WARNINGS
Select the button to see the machine's current warn-
ings.
The table below lists the probable causes and solutions for
each warning.
If the problem cannot be resolved, switch off the
machine and contact the Manufacturer.
WARNING CAUSE ACTION
Steam heating unit temperature
probe has overheated or short-cir-
cuited
• Heating unit temperature probe is discon-
nected or faulty.
• Check the heating unit probe connection and
if necessary, replace it.
Steam heating unit temperature
probe is disconnected or cut off
• Heating unit temperature probe is discon-
nected or faulty.
• Check the heating unit probe connection and
if necessary, replace it.
Cup warmer temperature probe
has overheated or short-circuited
• The cup warmer temperature probe is dis-
connected.
• The temperature probe has short-circuited.
• The cup warmer has overheated.
• Check the cup warmer probe connection and
if necessary, replace it.
Cup warmer temperature probe is
disconnected or cut off
• The cup warmer temperature probe is dis-
connected.
• The temperature probe has short-circuited.
• The cup warmer has overheated.
• Check the cup warmer probe connection and
if necessary, replace it.
The steam nozzle probe has short-
circuited
• The steam nozzle temperature probe is dis-
connected.
• The steam nozzle temperature probe has
short-circuited.
• The steam nozzle temperature probe has
overheated.
• Check the steam nozzle temperature probe
connection and if necessary, replace it.
The steam nozzle probe is discon-
nected or cut off
• The steam nozzle temperature probe is dis-
connected.
• The steam nozzle temperature probe has
short-circuited.
• The steam nozzle temperature probe has
overheated.
• Check the steam nozzle temperature probe
connection and if necessary, replace it.
Fillingup timeout warning
• The heating unit did not ll up completely
within the maximum time.
• The level probe does not detect any water.
• Check the hydraulic circuit which lls the heat-
ing unit.
• Check that there is water in the water mains.
• Check the lling solenoid valve/pump lter.
• Check the control unit fuse.
Warning data is corrupted • A circuit board problem. • Contact the Manufacturer.
Change lter warning (90% worn)
• The amount of water used by the machine
has almost been reached for the lter.
• Replace the water lter. To reset the warning
on the display, follow the instructions in para.
. 8.1.
Filter completely worn warning
• The amount of water used by the machine
has been reached for the lter.
• Replace the water lter. To reset the warning
on the display, follow the instructions in para.
. 8.1.
Maintenance warning
• The number of machine work cycles has
been reached, so maintenance is due.
• Carry out the envisaged maintenance opera-
tions.
Heating unit heating timeout
warning
• The heating unit's heating circuit is discon-
nected.
• The heating unit's heating element has
burned out.
• The safety thermostat is open.
• The fuse has burned out.
• Check the heating unit's heating: heating el-
ement; safety thermostat; fuses and control
unit; main switch; connection for the three-
phase version.
• If necessary, replace the faulty components.
Volumetric counter warning for
each group
• The volumetric dosing device is not counting
the water.
• Check the volumetric dosing device connec-
tion.
• Check that there is water in the water mains.
• Check the pump lter / volumetric dosing de-
vice lter.
• Check the group jet.
• Check the volumetric dosing device jet.