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EX-TRAFIRE
®
55SD
Operator Manual, Revision T-3
4-31
OPERATION
Front view
Front control panel
Front control panel
Work clamp connector
Torch connector
1� Cutting current regulator knob�
2� Display - Cutting current display - when fault
occures, error code will display�
3� Over-Current (OC), Over-Temperature (OT) alarm
indicator�
4� Power ON/OFF indicator�
LED illuminates - the power supply is turned ON�
5� Multifunctional indicator�
LED illuminates - pressure alarm indicator - when
the gas pressure is lower than 2�4 bar�
LED blinks - torch is not connected or improperly
connected to the power supply�
Loose or missing retaining cap�
6� LED illuminates - arc transfer to the work piece�
LED blinks - nozzle or electrode are missing and
short circuit alarm�
7� CUT/GRID – mode switch� Selects normal cutting
or grid cutting�
3
1
4
5
6
7
2