14 User Instructions
This chapter provides various general instructions on how to use the device.
14.1 How to Connect to the Vehicle Air Conditioning System
In order to carry out A/C system recharging operations you are required to connect the device to
the vehicle.
Proceed as follows:
1. Place the device near the A/C system you wish to check.
2. Connect the service tubes to the vehicle A/C system.
14.2 Visual Warnings
The control panel/display on the device has a series of LEDs that provide information on the status
of the device and on the phase in progress at a specific time.
LED Name Color Indicates Blink Code
REC Green Recycling Phase
ON: phase selected or complete.
Flashing: phase being selected or carried out.
OFF: phase not carried out.
VAC Blue Vacuum Phase
INJ Orange Injection Phase
REF Red Recharging Phase
14.3 Audible Warnings
The control panel/display on the device has an electronic buzzer.
The operator is informed of any errors or warnings regarding the service, not only via messages
that appear on the display, but also via a "beep".
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