Au3Tech HW980 - Machine Fault Diagnosis and Solutions

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Supply voltage: DC 24V
Power: 72W
Wire feeding speed range: 1mm/S-55mm/S (adjustable) (the upper limit can be increased as
needed)
Motor type: DC24V stepper motor, reduction ratio 8
Speed regulation method: digital open loop speed control
Applicable welding wire diameter: 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm
Dimensions: length 520*width 245*height 420
Weight: 13KG
3. Machine fault diagnosis and solutions:
Serial
numb
er
Fault phenomenon
Fault cause
Solutions
1
The power indicator
light does not light up
when powering on
Power cord broken
Replace input power cord
The 24VDC switching power
supply has no voltage
Replace switching power supply
The internal wiring is loose
Check and plug back
2
No wire feeding by
pressing the welding
gun switch
Poor welding/disconnection of the
internal wire of the welding gun
switch plug
Replace the plug and check the
connecting wire