23
Unstable welding current
1.Please make sure power network is normal.
2.Connect different power input cables if there are other
equipments of strong interferences.
No HF discharge when pull the torch
trigger
1.Please check whether OCV is normal
（
DC62V
）；
2.Please make sure torch trigger control loop is normal
（
LED3 will
light up when pull torch trigger
）；
3.Please check whether HF control loop is normal;
Display indicates E10
1.Restart machine.
2.Check if flat cable between front PCB and top PCB is well
connected.
3.If it is not fixed, the circuit fails. Please contact your distributor.
Display indicates E61
1.The thermistor is not well connected to control board.
2.The thermistor is damaged. Please replace it.
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