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DISPLAY
LHF
4. Digital Display Function LED
This LED indicates what function the digital display is indicating – Volts, Amps, or Air Pressure
(bar)
5. V/A Button
By pressing this button, the digital display will indicate Volts or Amps. The display will stay on for
a few seconds and then shut off.
6. Air Button (bar)
By pressing this button, the air circuit will open and allow adjustment of the air pressure at the
regulator. The digital display will indicate the air pressure (in bar).
7. Current Adjustment Knob
By turning the knob, you can adjust the cutting current from minimum (10 amps) to the maximum
power for your unit.
8. ON-OFF Switch
The main ON-OFF switch is on the back of the unit. When switched ON, the switch will light up.
When the unit is turned OFF, the internal fan will continue to run for several minutes to fully cool
the unit. Do not unplug or disconnect the unit until the fan has shut off.
9. Air Regulator
To adjust the air pressure, lift the knob on the regulator to release it from its locked position, press
the "bar" button on the front of the unit, and turn the regulator knob to adjust to the proper
temperature. Press down on the regulator knob to lock it in place.
PLASMA TORCH OPERATION
The torch is designed to be held comfortably in most positions. The trigger is on the bottom of the
torch. When pressed, within a fraction of a second air will begin to flow through the cutter and the
torch. if air pressure and flow are correct, a plasma arc will be established at the end of the torch.
When the trigger is released, the plasma arc will be shut off, but the air may continue to flow for a few
seconds to cool the torch.
The cutting arc can be restarted during this cooling air flow by depressing the trigger again and the arc
will be reestablished within 1-2 seconds.
ERROR or PROBLEM
Inverter error/malfunction
16
CORRECTION/RESET
Turn the unit OFF and then ON again. If
this condition persists, contact Technical
Service
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