Modes of operation Preliminary operations to be performed before using the machine: Make sure to place the machine on a surface stabile Make sure to connect the gear pump to the motor shaft, so as to deactivate the safety interlock that interrupts the circuit of alimentazione Connect the plug to the power supply (230VAC) Press the power button on the back of the machine to position 1 The machine can operate in the following modes of operation: POMPA DOSATORE CALIBRATION The machine can detect malfunctioning conditions, generating alarms that stop pump operation.