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8.3b Metering safety system
During the infusion process,
impulses to the unit electronic box for 5 seconds.
If the metering interruption is only temporary, the infusion cycle will stop as soon as the number of metered
impulses matches the number of programed impulses.
Obviously the obtained dose will be heavier.
If the metering interruption is permanent, the infusion will stop automatically 105 seconds after
the cycle has started and
Or stop manually by pressing the Continu/Stop key.
Display of
impulses to the unit electronic box for more than 5 seconds.
Check the control LED located on the dosing device.
It does not flash
The water does not run
through the spout
The hydraulic circuit is
blocked
Check:
- There is water above
the dosing device
- Coffee filters are clean
- The grind is not too
fine
- The device nozzle is
all right
- The unit valve is
opened
- The unit nozzle
- The unit filter.
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cd
is displayed. This means that the dosing device has been no longer transmitting
ct
is displayed.
Display of
ct
cd
or
. The dosing device has stopped transmitting
Start a coffee cycle.
The water runs through
the spout
The dosing device no longer
works
Check:
- The device cables
(power supply + 9V)
- The free rotary move-
ment of the turbine
- The magnets drowned
in the turbine are clean
- The dosing device
(outgoing signal)
Replace the dosing device, as
necessary.
- 15 -
cd
It flashes
- Either there is no more
problem and it all nor-
mally works.
- Or the outgoing signal
wire of the device is dis-
connected.
(terminal: 32-out)
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