CUTTING TORCH
Position Checking keys Remarks
Switch
Press the torch switch, no gas comes out. Check switch.
Press the torch switch, arc cannot be
started.
Check switch.
Extend tip,
Electrode
Cutting power is reduced. Replace.
5.3 Cutting problems and resolution
The phenomenon listed below may happen due to relevant accessories used, cutting material, surroundings and power
supply. Pleas improve surroundings and avoid these problems.
Arc starting difficulty. Arc interruption happens easily:
Examine whether grounding wire clamp contacts with the work pieces well.
Examine whether each joint has improper contact.
The output current fails to reach rated value:
The deviation of power voltage from rated value may cause that the output current does no accord with adjusted value.
When the power voltage is lower than rated value, the maximum output current may be lower than rated value.
The current can not keep stable during operation:
This situation may relate to the following factors:
The voltage of electric power network changes;
Serious interference from electric power network or other electric facilities.
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