mark. Before use, use a cable with a section larger than 6mm2 to reliably ground the welder's
casing to discharge static electricity or prevent accidents due to electric leakage.
10.2.6 If the welder exceeds the standard load continuation rate during operation, the welder
may suddenly enter the protection state and stop working. This means that the welder exceeds
the standard load continuation rate. Excessive heat energy triggers the temperature control
switch, causi
ng the welder to stop working while being in front. The red indicator light on the
panel lights up. In this case, you do not have to unplug the power supply so that the cooling fan
can continue to work to cool the welder. When the red indicator light goes out, the temperature
drops to the standard range and the welding can be restarted.
11.QUESTIONS TO BE RUN INTO DURING CUTTING
The phenomena listed here may be related to the accessories, gases, environmental factors, and
power supply conditions you are using. Please try to improve the environment and avoid such
situations.
11.1 the solder joint is black
In such cases, the solder joint is not protected well and is oxidized. You can check as follows:
11.1.1 Confirm that the valve of the argon cylinder is open and has sufficient pressure. If the
pressure inside the bottle is less than 0.5MPa, it is nece
ssary to refill the cylinder.
11.1.2 Check that the argon flow is on and has sufficient flow. To save gas, you can choose
different flow rates depending on the welding current process, but too small a flow rate may
result in insufficient shielding gas to cover the solder joints. We recommend that you do not let
the argon flow rate be less than 3l / min, no matter how small the current is.
11.1.3 The easiest way to check if there is gas is to use the hand to feel the gas flow from the
nozzle
of the torch, check whether the gas path of the torch is blocked.
11.1.4 The gas path has a problem of poor sealing, or the purity of the gas is not high, which may
cause welding quality problems.
11.1.5 If the environment has strong air flow, it may also cause the welding quality to drop.
11.2 Difficut to ignite arc, and easy to break the arc:
Confirm that the tungsten you are using is of good quality. The discharge capacity of a poor
quality tungsten electrode may not meet the requir
ements.
A tungsten electrode that has not been sharpened is also less prone to arcing and causes arc
instability.
11.3 the output current does not reach the rated value:
Deviation of the supply voltage from the rated value will cause the output current value to be
inconsistent with the set value; when the supply voltage is lower than the rated value, the
maximum output current of the welder may also be lower than the rated value.
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