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but there is no output
current, and the
alarm indicator does
not illuminate.
The torch trigger fails. Repair or replace the welding torch.
There is output
current when
pushing the torch
trigger to feed gas,
but the wire feeder
does not work.
The wire feeder is clogged. Unclog it.
The welding current
is unstable.
The wire feeder fails. Repair it.
The control PCB or wire
feeding power PCB inside the
machine fails.
Replace it.
The pressure arm on the wire
feeder is not properly
adjusted.
Adjust it to get proper pressure.
The drive roll does not match
the wire size being used.
Make sure they match with each other.
The contact tip of the welding
torch is badly worn.
Replace it.
The wire-feeding tube of the
welding torch is badly worn.
Replace it.
The electrode is of poor
quality.
Use electrode of good quality.
WIRING DIAGRAM
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