Electrolux CLASSIC 1 Service Manual page 21

K.1.3.2 Counting safety
During the infusion, the display shows
seconds. If the interruption of counting has only been momentary, the infusion will be stopped when the number of pulses counted
will correspond with the programmed number of pulses. Of course, the dose obtained will be greater. If the interruption is permanent,
the infusion is stopped automatically 105 seconds after the start of the infusion and the display will show:
"Continuous / Stop key" and the display will indicate
The volumetric doser has not sent the pulse to the electronic box of the group for more than 5 seconds.
The water is not running by the
coffee spout.
The water circuit is clogged,
check:
• The presence of water
upstream from the doser
• The cleanliness of the coffee
filters
• The grinding (too fine)
• The volumetric doser nozzle
• The actual opening of the group
solenoid valve
• The group nozzle
• The group filter
K.1.3.3 Doser safety
The display shows
The 9V supply of the doser is short-circuited: pin 30
(+) to earth
. this means that the doser has no longer sent pulses to the electronic box of the group for 5
.
The display shows
Run a coffee cycle.
Check the condition of the control LED located on the doser.
It is not flashing
The water is running by the coffee
The water is running by the coffee
spout. The doser is no longer
working, check:
• The wiring of the doser (power
supply + 9V)
• The free rotation of the turbine
• The state of cleanliness of the
magnets drowned in the turbine
• The doser (output signal)
If necessary replace the doser.
The group may be used by using the Continuous / Stop key
Check the doser wiring and the connector.
Replace the doser if necessary.
or .
spout.
The display shows
The power supply circuit of the 9V of the doser is
open: terminal 30 (+) or earth disconnected
or manually by the
It is flashing
• Either the fault has dis-
appeared and
everything works
normally.
• Either the wire of the
doser output signal is
disconnected (terminal:
32-out)
21