Owner manual

After analyzing the refrigerant, a PASS or FAIL LED ashes:

a. A ashing PASS LED indicates the refrigerant is 95%

pure or better.

b. A ashing FAIL LED indicates the refrigerant is less

than 95% pure.

c. The EXCESS AIR LED will light with either a PASS or

FAIL LED if the unit has detected a large amount of air

in the refrigerant.

Note: The indication of excess air may be the result of oil or

other contaminants trapped in the brass lter.

9. Disconnect the sample hose from the vehicle to prevent

refrigerant loss.

10. Press the NEXT button.

11. The CALIBRATING LED ashes:

a. Fully squeeze the rubber calibration bulb ve (5) times.

b. The unit may now be disconnected from the vehicle;

or press the NEXT button to begin another gas test.

Operating Instructions cont’d