FABOOL Laser CO2(2019~) Manual
Take the  Tester out of the package.
Remove the battery cover screw with a phillips head screwdriver.
Pull out the battery cable.
Connect the battery cable to the battery.
Insert the connected battery.
Close the battery cover and retighten the screw with a phillips head screwdriver.
Connect the test pins to the  Tester. The black one into “COM”, and the red one into “VΩｍA”.
Turn the center dial from the original position to the “”buzzer”” position (circled in red in the photo).
Try touching the tips of the test pins together to make sure the buzzer sounds.
Referring to the picture, touch the test pins to the ground wires of the  Ground(S) Cable and  Radiator Unit. Conduction is confirmed when the buzzer sounds.
* In case the buzzer doesn’t sound, there is the possibility that screws need to be tightened or the wiring is wrong. Try the tester again after tightening the screws firmly and re-checking the wiring.
Check conduction by touching the test pin to the ground wire of the  Radiator Unit and the ground prong of the  AC-Main Cable power socket.
Check conduction by touching the test pin to the black wire (marked FG) of the  AC-Laser Cable and the ground prong of the  AC-Main Cable power socket.