Hyundai
09
tig-
160/200
Fittings, welding materials, environment factor, supply powers maybe have something to do with
welding. User must try to improve welding environment.
A. Black welding spot
Welding spot is not protected from oxidizing. User may check as following:
1. Make sure the valve or argon cylinder open and its pressure is enough. Argon cylinder must be filled up to
enough pressure again if pressure of cylinder is below 0.5Mpa.
2. Check if the flow meter opens and has enough flow. User can choose different flow according to welding
current in order to save gas. But too small flow maybe cause black welding spot because preventive gas is
too short to cover welding spot. We suggest that flow of argon must be kept min 5 L/min.
3. Check if torch is in block.
4. If gas circuit is not air-tight or gas is not pure, it can lower welding quality.
5. If air is flowing powerfully in welding environment, that can lower welding quality.
B. Arc-striking is difficult and easy to pause
1. Make sure quality of tungsten electrode is high.
2. Grind end of the tungsten electrode to taper. If tungsten electrode is not grinded, that will be difficult to
strike arc and cause unstable arc.
C. Output current not to rated value
When power voltage departs from the rated value, it will make the output current not matched with rated
value; when voltage is lower than rated value, the max output may be lower than rated value.
D. Current is not stable when machine operates
It has some factors as following:
1. Electric wire net voltage has been changed.
2. There is harmful interference from electric wire net or other equipment.
E. When use MMA welding, too much spatter
1. Maybe current is too big and stick’s diameter is too small;
2. Output terminal polarity connection is wrong, it should apply the opposite polarity at the normal technics,
which means that the stick should be connected with the negative polarity of power source and work piece
should be connected with the positive polarity. So please change the polarity.
8. Troubleshooting
Summary of Contents for HYTIG-160
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