20
6 Failure / Error messages
Always check whether an error message is shown in the display. If no error
message is shown and the machine does not work correctly, you may find the
possible cause and solution in the following table. For failures not mentioned in
this manual, contact the service engineer.
Error
message
Possible cause Solution
Brewer not in
position
Brewer has not completed
the cycle correctly.
Brewer defect.
Remove the brewer from the
machine and replace it again
conform the paragraph replace CoEx
brewer.
Make sure that the green handle is
moved down.
Consult the service engineer.
Temperature
to high
Temperature sensor or
heater are broken
Consult the service engineer.
No water
connected
1 No water flows out of the
water connection.
2 Inlet valve is broken.
3. expansion is valve broken
4. flow meter is broken
1. Switch the machine off, open the
water supply and switch the machine
on.
2. Consult the service engineer.
3. Consult the service engineer
4. Consult the service engineer
Not enough
water
Not enough water dosed in
the cup
Retry the selection.
If the message show up again it is
necessary to run a cleaning cycle.
Communication
error
A communication error
registrated.
Communication between IO board
and control board is not working.
Consult the service engineer.
Shortcut
temp.sensor
The temperature Sensor is
broken
Consult the service engineer
Temp.sensor
not connected
The temperature sensor is
disconnected or broken
Consult the service engineer
Sensor not
connected
The sensor connector is not
connected to the PCB
Consult the service engineer
Place cup left 1 There is no cup detected
on the left cup stand
2 Left cup sensor is broken
1 Place a cup on the left cup stand
2 Consult the service engineer
Place cup right 1 There is no cup detected
on the right cup stand
2 Right cup sensor is broken
1 Place a cup on the right cup stand
2 Consult the service engineer
Waste
bucket/drip
tray full
The Waste bucket/drip tray
full
Empty the waste bucket or drip tray
Filling boiler Boiler is filling Press the rinse button to fill the
boiler
Heating The boiler is heating
Clixon is switched off
Wait 2 minutes till the water is on
temperature
Consult the service engineer
Door open De machine door is not
closed
Close the machine door.