EN
39
Display
Operating Procedure
Description
Programming Mode
GR1
Backflushing
1
When the espresso machine is on, to enable the washing procedure press and hold at the same time the buttons
T1
and T3
.
This activates the washing procedure of each group.
2
When activated, the water pump comes into operation, and the electric valve of the specific group being
washed will turn on and off the cycle. There are about 10 preset cycles with an interval of 4 seconds. To
manually stop the rinsing, press any key.
NOTE:
In order to properly rinse the groups, put a small amount of detergent in a blind portafilter basket and
insert it in the group to be rinsed before activating the rinsing process.
• This parameter allows the operator
to carry out the washing of the coffee
groups, in an automatic way, by running
multiple cleaning cycles.
• This espresso machine has a group
rinsing function (rinsing jets) integrated
in the electronics.
• The rinsing procedure is provided to give
the operator more flexibility and freedom
with regard to this operation.
• Do not perform the cleaning procedure
when other groups are dispensing
coffee.
Cleaning Cycles
Cleaning Cycles
GR1
Backflushing
MOST DETERGENTS CAUSE FOAMING DURING THE CLEANING PROCESS. THIS FOAM COLLECTS AT THE DRAIN
BOX AND CAN PROHIBIT WASTE WATER FROM DRAINING PROPERLY.
RINSING MULTIPLE GROUPS SIMULTANEOUSLY COULD CAUSE THE DRAIN BOX TO OVERFLOW.
WARNING
Summary of Contents for kb90 Series
Page 143: ...EN 143...
Page 144: ......