20 ml for sugar. Return the machine to standby mode and vend an espresso (no
sugar) selection. Carefully measure the amount of water dispensed. If the
dispensed amount is less or more than 60 ml, return to the Water Compensation
menu as described above and enter the Esp Compensation sub menu - default
value 160. Enter a value higher (e.g. 165) or lower (e.g. 155), return to standby,
vend a second espresso selection and measure the amount of water dispensed.
Continue increasing/decreasing the water compensation amount until a measured
value of 60 ml is dispensed.
7. Grinder Calibration: This sub menu allows the engineer to calibrate the grinder
settings (stored in the machines memory) to the type of coffee beans dispensed and
converts gram settings to seconds. This procedure must always be carried out by the
engineer before the Genesis B2C machine is used for the first time, when the type of
beans dispensed is changed, before adjusting the water compensation or after the
grinder mechanism has been removed/repaired.
Important: Before commencing the following procedure, ensure that you have a set
of accurate gram scales and a cup with which to catch the ground coffee. Using the
‘tare’ function, calibrate the empty cup with the gram scales. Ensure that the CoEx®
brewer is removed from the machine, the brewer waste bucket is in position, the bean
container contains beans and the container outlet slide is open. To configure the
Grinder Calibration, proceed as follows:
1. From the Product Configuration menu highlight
Grinder Calibration and press the ↵ (Edit) key to
access the menu screen as shown. This displays
the current calibration setting in seconds, eg 2.0
grams of ground coffee (factory default) will be
dispensed per second of grinder operation.
2. Press the START key on the drink selection
keypad to begin the calibration process. The
machine displays the menu screen as shown.
Press the START key. The machine will pause for
3 seconds before priming the grinder. Ensure
that the waste bucket is placed correctly in the
machine to catch dispensed ground coffee.
3. The LCD will now display the menu screen as
shown opposite. Place the calibrated cup under
the grinder outlet and press the START key. The
grinder will run and dispense dry ground coffee
into the cup.
33
Technical Manual
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