Bezzera BZ99 DE, Инструкция по эксплуатации

Страница: 15 / 16

MOD.
BZ 99
24
Problem Diagnostics/solution Suggestions
The coffee is too cold Possible causes:
1-The filter holders are cold.
2-The coffee grind is too fine.
3-The water circuit of the machine is dirty
(milestone).
In case 1, keep the filter hol-
der mounted on the group.
In case 2 change the coffee
grind.
In cases 3 call a skilled tech-
nician.
The coffee is tepid The coffee is tepid, although the pressure
is normal between 1 and 1,2 BAR.
In this case, the pressure measurement is
dummy.
Call a skilled technician
to check the relief valve.
Meanwhile, in order to use
the machine, open the steam
valve, the boiler pressure will
drop to zero: in this way, the
heat elements will be con-
nected and the temperature
will increase. Carry on this
operation every day when
turning on the machine.
The coffee is too hot Possible causes:
1-The boiler pressure is higher than 1,3
bar.
2-The machine is covered with something
that prevents its cooling.
3-The machine has been installed in a
position that prevents air circulation.
In case 1 call a skilled techni-
cian.
In cases 2-3 reset the machine
cooling conditions.
Coffee deposit on the
cup bottom
Possible causes:
1-The coffee grind is too fine.
2-The filter holder is dirtyinside, or the fil-
ter is damaged.
3-The grinder mills are worn, call a tech-
nician to replace them.
In case 1, it is necessary to
adjust the grinder correctly.
In case 2, clean the filter hol-
der or replace th filter.
In case 3 the technician’s in-
tervention is required.