Faema E71 E Engineer's Manual page 37

: Method 1: manual setting of Qref.
1. disable grinder control, if in use.
2. connect the machine to the grinder/dispenser via blue-
tooth and enable dialogue in the manner already in use.
3. set and calibrate the machine and grinder/dispenser as
desired.
4. dispense into the test square all the types of beverages
to be used (double coffee, single coffee and any special
blend - third magnum key on demand).
5. write down the satisfactory flow values of the coffees for
each of the possible three types of beverage.
6. go to the grinder control panel and perform reset.
7. set the flow values for each of the beverages.
8. enable grinder control.
: Method 2: setting of Qref in fully self-learning mode.
1. Disable grinder control, if in use.
2. Connect the machine to the grinder/dispenser via blue-
tooth and enable dialogue in the manner already in use.
3. Programme and calibrate the machine and grinder/
dispenser as desired, dispensing the beverages until a
satisfactory cup result is achieved.
4. Go to the grinder control panel and perform reset.
5. Enable grinder control.
6. Exit programming.
7. Dispense double coffees (5 or more) until the message
Qref OK appears on the services display (with audible
sound).
8. Dispense single coffees (5 or more) until the message
Qref OK appears on the services display (with audible
signal).
9. Dispense any special blend coffees (5 or more) until the
message Qref OK appears on the services display (with
audible sound).
10. Enter programming and check that the Qref values set
are present.
Grinder control parameters configuration
Repeat the entire procedure for the second grinder/dis-
penser if present.
The machine is ready to work with the grinder control on.
In the event of problems, dispensing can be performed
in the test square with the grinder control in use to see if
the symbol * is present beside the flow. Remember that
dispensing is deemed valid only if it lasts more than 10
seconds.
Other symbols are used in the test square:
>
if the flow is too high compared to the reference, above
the upper limit
< if the flow is too low compared to the reference, below
the lower limit
*
flow within the acceptable range
-
dispensing too brief (at least 8 s but less than 10 s)
(3) number of remaining coffees to be dispensed and de-
ducted from the count
32 EN