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Fault display
：
OC light
When the welding load is overloaded and the output current of the machine is too large, the internal temperature of the
machine will become too high, and the machine fault light will come on. This is normal. The machine will recover after it
cools down and the temperature has returned to normal. If it does not, please shut the machine down and restart it. If the
machine is damaged, the fault light will be on, in this case, the machine needs maintenance, please contact the supplier.
3.3 Polarity Conversion Joint
This machine has the polarity conversion; There are positive and negative connector on the front panel. When using
solid wire with gas shielding, the polarity selection cable should be connected to the positive connector, the working
clamp cable should be connected to the negative connector; When using flux-cored wire the polarity selection cable
should be connected to the negative connector and the working clamp cable should be connected to positive connector.
