
MI03088-01
TROUBLE SHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
Power source stops
Overheating protection activated due
to overload
Protection automatically resets when
transformer has cooled (about 15 min)
No weld current
Rectifier blown
Replace rectifier
No weld current
Bad connection between clamp &
workpiece
Clean or grind contact surface and
weld area
Break in earth lead
Repair or replace earth lead
Break in torch lead
Repair or replace torch
Feed motor not working, lamp is on
Gear damaged or worn
Replace gears. (Contact service
agent)
Motor defective
Replace motor (Contact service agent)
Wire does not feed, feed roller rotates
Pressure roller improperly adjusted
Adjust tension
Dirt, copper, dust, etc, has collected in
torch liner
Clean the liner from the machine
forward.
Use compressed air. If too much dirt,
replace the liner.
Gas cup (Nozzle) or tip defective
Deformed wire
Check roller tension and adjust it if
necessary
Wire feeds unevenly
Dirt, etc, in liner
Clean the liner from the machine
forward
Gas cup (Nozzle) or Tip defective
Replace gas cup (nozzle) and/or tip
Gas cup (Nozzle) spattered
Clean or replace gas cup (nozzle)
Feed roller groove deformed
Replace feed roller
Feed roller groove deformed
Replace fedd roller
Pressure roller tensión improper
Adjust tension
Unestable arc
Incorrect settings
Check settings
Impurities in Weld area
Clean and/or grind workpiece
Worn or detfective gas cup (nozzle)
Rplace gas cup (nozzle)
Porous weld
No gas
Open gas cylinder, regulate gas flow
Gas cup clogged
Clean or replace cup (nozzle)
Draft blowing away shielding gas
Screen off weldind site or increase gas
flow
Rusty or dirty joints
Clean and/or grind workpiece
Torch too far from or at wrong angle to
work
The distance from gas cup to
workpiece should be 8- to 10mm
Gas leak
Check hoses, connections and torch
assembly. (Section 3.5).
Press the gas cup in correction
position
Faulty Electorvalve
Clean out or replace
Electrode sticking in gas cup (nozzle)
Worn or defective gas cup (nozzle)
gas cup (nozzle)
Electrode deformed
Check roller tension
Wire speed too slow
See recommendations for wire speed
Irregular weld bead
Torch incorrectly held
Use correct torch angle
Wire weaving in weld pool
Check roller tension and adjust as
needed.
Weld bead too narrow and raised
Weld current too low
Increase power and wire speed
Weld speed too high
Move torch slower and weave a little
more
Weld bead too wide
Weld current too hight
Decrease pwer and wire speed
Weld speed too low
Move torch faster and weave less
Arc too long
Bring torch closer to workpiece
Poor penetration
Weld current too low
Increase power and wire speed
Arc too long
Bring torch closer to workpiece
Excessive penetration
Weld current too high
Decrease power and wire speed
Weld speed too slow
Move torch faster
Incorrect distance of torch to
workpiece
Torch distance shoud be 8-10mm
Summary of Contents for SOLMIG 180
Page 1: ...MI03088 01 SOLMIG 180...