See first
troubleshooting
section above.
2.
Incorrect contact tip size:
Replace with the proper tip for the wire size used.
3.
Incorrect wire feed speed:
Adjust wire feed speed to achieve a more stable arc.
4.
Loose torch cable or ground cable:
Check to ensure that all connections are tight.
5.
Damaged torch or loose connection within torch:
Have a qualified technician inspect and repair/replace as necessary.
TROUBLESHOOTING (continue)
IMPORTANT!
BE CERTAIN
to shut off the Welder, disconnect it from power, and discharge the
torch to ground before adjusting, cleaning, or repairing the unit.
Welder does not function when switched on
Possible causes and solutions
1.
tripped thermal protection device:
Shut the welder’s switch to off and allow it to cool for at least 20 minutes.
Reduce duration or frequency of welding periods to help reduce wear on the welder.
Refer to
Duty Cycle
section on page 8.
2.
Faulty or improperly connected control Switch:
Have a technician check and secure/replace Control Switch.
3.
Internal fuse blown:
Have a qualified technician check/replace.
Weak arc strength
Possible causes and solutions
1.
Incorrect line voltage:
Check the line voltage and, if insufficient, have a licensed electrician remedy the
situation.
Wire Feeds, but arc does not ignite
Possible causes and solutions
1.
Improper ground connection:
Make certain that the work piece is contacted properly by the Ground Clamp and that
the work piece is properly cleaned near the ground clamp and the welding location.
2.
Improperly sized or excessively worn contact tip (51b):
Verify that Contact Tip (51b) is the proper size for the welding wire used. Check that
the hole in the tip is not deformed or enlarged. Also, check that the tip is not dirty;
this would prevent a good connection. If needed, replace Contact Tip (51b) with
proper size and type.
Summary of Contents for MIG-200
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