Trouble Shooting; Problem / Diagnostics/Solution / Advice - Bezzera UNICA Manual De Instrucciones

MOD. BEZZERA UNICA

7 - TROUBLE SHOOTING

Problem
The red light does not turn on.
The machine does not reach the
ideal temperature.
No coffee is made.
Lack of steam distribution from
the pipe.
Leakage from the filter holder.
Difficult positioning of the filter
holder on the coupling ring.
Incorrect positioning of the filter
holder after placing it on to the
group.
The coffee dispenses insuffi-
ciently.
Diagnostics/solution
The machine is not powered.
The safety thermostat was trig-
gered.
No water in the tank.
The steam pipe nozzle is ob-
structed, clear it by using a pin.
This problem depends on the
introduction of the spout into
the milk.
Possible causes:
1- The lower bowl gasket is
worn or encrusted.
2- The filter holder is positioned
incorrectly on the group.
3- The filter into the filter holder
is damaged.
The problem depends on the
excessive coffee dose inside the
filter holder.
The filter holder handle, after
fixing it to the group, is turned to
the right more than usual. The
lower bowl gasket is worn.
The coffee dispenses drop by drop,
the dispensing time is too long, the
quality of the coffee is not good
and presents a dark cream.
Possible causes:
1- The coffee grind is too fine.
2-The coffee into the filter
holder is too pressed.
3- The dose into the filter holder is
excessive.
4- The small douche of the group
is obstructed.
5- The filter into the filter holder is
obstructed.
30
Advice
Make sure the plug is correctly
inserted and that the power
cord is not damaged.
Have the machine serviced by
a specialised technician to dis-
cover the cause.
Fill the tank.
Clean the steam spout after us-
ing it.
In all above-mentioned cases,
call a skilled technician.
Decrease coffee quantity in the
filter holder.
Contact a skilled technician to
replace the lower bowl gasket.
In cases 1-2-3, it is necessary to
adjust the grinder correctly.
In case 4,it is necessary to call a
technician.
In case 5,clean the filter or re-
place it.