4. It may be that the feedback circuit is open.
Tungsten needle burnt
seriously
The duty cycle is adjusted too much to reduce the duty cycle.
Can not break the oxide film
when welding aluminum
1. The welding gear selection is incorrect;
2. The duty cycle adjustment is too small;
3. The secondary inverter has field tube damage.
13.EXPLOSIVE VIEW
1 Control PCB 14 Quick connector socket 27 Inverter board 2
2 clapboard 15 Electromagnetic valve 28 Fan
3 Pressure gauge
connector
16 Electromagnetic valve
stand
29 Wire buckle
4 Display board 17 Arc ignition coil 30 Power switch
5 Front panel 18 Hinge 31 Rear panel
6 Inverter board 1 19 Bottom board 32 Down rear plastic panel
7 Upper front plastic
panel
20 Water separator 33 Gas inert
8 Quick air connector 21 Fixed bracket 34 pressure regulating
valve
9 Down plastic front panel 22
Radiator 1 35 Power PCB board
10 Pressure gauge mount 23 Radiator 2 36 Handel
11 Pressure gauge 24 Radiator 3 37 Metal casing
12 Gas and electricity
integrated connector
25 Temperature Switches 38 High frequency PCB
board
13 Insulation socket 26 IGBT 39 Rectifier bridge
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