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SMART MIG 350 MPV1
8.2. Troubleshooting in MIG/MAG
Malfunction phenomena
There is no response when
pushing the torch trigger and
the alarm indicator does not
illuminate.
When
the
torch
pushed, there is gas output, but
there is no output current, and
the alarm indicator does not
illuminate.
There is output current when
pushing the torch trigger to feed
gas, but the wire feeder does
not work.
The welding current is unstable.
Note: This product is under continuous improvements; therefore, there might be differences in some respects except
for functions and operation. Your understanding is much appreciated.
Gala Gar, S.L. c/ Jaime Ferrán, 19 (Políg. Cogullada) | Tel.: (+34) 976 47 34 10 - 50014 ZARAGOZA |
The welding torch is not well
connected with the wire feeder.
The torch trigger fails.
The
earth
trigger
is
connected with the workpiece.
The wire feeder or welding torch
fails.
The wire feeder is clogged.
The wire feeder fails.
The control PCB or wire feeding
power PCB inside the machine fails.
The pressure arm on the wire feeder
is not properly adjusted.
The drive roll does not match the
wire size being used.
The contact tip of the welding torch
is badly worn.
The
wire-feeding
welding torch is badly worn.
The electrode is of poor quality.
Cause analysis
cable
is
not
well
tube
of
the
31/69
Solutions
Reconnect it.
Repair or replace the welding
torch.
Reconnect it.
Repair the wire feeder or welding
torch.
Unclog it.
Repair it.
Replace it.
Adjust it to get proper pressure.
Make sure they match with each
other.
Replace it.
Replace it.
Use electrode of good quality.
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