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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
Steam heating unit temperature
probe has overheated or short-cir-
cuited
Steam heating unit temperature
probe is disconnected or cut off
Cup warmer temperature probe
has overheated or short-circuited
Cup warmer temperature probe is
disconnected or cut off
The steam nozzle probe has short-
circuited
The steam nozzle probe is discon-
nected or cut off
Fillingup timeout warning
Warning data is corrupted
Change filter warning (90% worn)
Filter completely worn warning
Maintenance warning
Heating unit heating timeout
warning
Volumetric counter warning for
each group
TECHNICIANS' manual
CAUSE
• Heating unit temperature probe is discon-
nected or faulty.
• Heating unit temperature probe is discon-
nected or faulty.
• The cup warmer temperature probe is dis-
connected.
• The temperature probe has short-circuited.
• The cup warmer has overheated.
• The cup warmer temperature probe is dis-
connected.
• The temperature probe has short-circuited.
• The cup warmer has overheated.
• The steam nozzle temperature probe is dis-
connected.
• The steam nozzle temperature probe has
short-circuited.
• The steam nozzle temperature probe has
overheated.
• The steam nozzle temperature probe is dis-
connected.
• The steam nozzle temperature probe has
short-circuited.
• The steam nozzle temperature probe has
overheated.
• The heating unit did not fill up completely
within the maximum time.
• The level probe does not detect any water.
• A circuit board problem.
• The amount of water used by the machine
has almost been reached for the filter.
• The amount of water used by the machine
has been reached for the filter.
• The number of machine work cycles has
been reached, so maintenance is due.
• 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.
• The volumetric dosing device is not counting
the water.
ACTION
• Check the heating unit probe connection and
if necessary, replace it.
• Check the heating unit probe connection and
if necessary, replace it.
• Check the cup warmer probe connection and
if necessary, replace it.
• Check the cup warmer probe connection and
if necessary, replace it.
• Check the steam nozzle temperature probe
connection and if necessary, replace it.
• Check the steam nozzle temperature probe
connection and if necessary, replace it.
• Check the hydraulic circuit which fills the heat-
ing unit.
• Check that there is water in the water mains.
• Check the filling solenoid valve/pump filter.
• Check the control unit fuse.
• Contact the Manufacturer.
• Replace the water filter. To reset the warning
on the display, follow the instructions in para.
. 8.1.
• Replace the water filter. To reset the warning
on the display, follow the instructions in para.
. 8.1.
• Carry out the envisaged maintenance opera-
tions.
• 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.
• Check the volumetric dosing device connec-
tion.
• Check that there is water in the water mains.
• Check the pump filter / volumetric dosing de-
vice filter.
• Check the group jet.
• Check the volumetric dosing device jet.
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