16
Northern Industrial Welder
Operating Instructions and Parts Manual
MIG 130
Trouble shooting Chart
Symptom (s)
Possible Causes(s)
Corrective Action(s)
Welder does not
work when the
main switch is
turned on
1.No power input
2. Power cord or power plug is
broken
3.Main switch is broken
4.Transformer is broken
1.Check circuit or fuse of
power source
2.Replace power cord
3.Replace switch
4.Replace transformer
Will not weld
1.Incorrect power input
2.Inadequate current at output
3.Poor connection of output
cable
4. Dirty surfaces
5. Wrong welding wire
1.Check the power
source
2.Check for proper
grounding to the work
piece.
3.Check output
connection
4. Clean surfaces
5. Use correct wire
Blown fuse or
tripped circuit
breaker
Inadequate fuse or circuit
breaker
Check the fuse in power
source should be 20amp
Arc is hard to
start
1. The wrong welding wire
2. Base metal not grounded
reliable
1.Use correct one
2.Make sure the
connection is good
Inconsistent arc
or wire feed
1. Not enough drive roller
pressure
2. Spool hub tension too tight
or loose
3. Contact tip worn or wrong
size
4. Rusty or corroded wire
1. Tighten the drive
tension adjustor on wire
feeder
2. Adjust the wing nut
on the spool holder
3. Replace contact tip
4. Replace wire.
Misc
Call technical help