Troubleshooting, Tigweld® 250 ex – Longevity TIGWELD 250 EX User Manual
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TIGWELD® 250 EX
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Troubleshooting
If your unit is not properly functioning, please call us immediately toll free at 1-877-566-4462
for support. We have included a small table here to diagnose most common problems.
Problems, Causes, and Solutions
Problems
Causes/
Solutions
Machine will not turn
on.
Check cords and breaker. If nothing is found, contact LONGEVITY
The machine runs, but
nothing is happening
Check to see if you are in the right mode tig or stick. Check the torches and
your ground.
O.C. Over Current
LED Lights
The unit has reached its DUTY Cycle. Leave power of the machine on and
allow fans to cool the machine. You can also turn the machine off to properly
cool it. Do not continue to weld until light is off.
Issue Not Listed
Contact LONGEVITY Toll Free 1-877-566-4462 or via email at
Unit Will Not Weld
Check ground connection, torch setup, and check if you are in the proper
mode ARC/TIG. If you are TIG Welding check to see if you have the proper
TUNGSTEN and FILLER ROD.
Tungsten is Melting or
Being Consumed
Quickly
Low Argon Gas flow. Check the Argon Gas flow. Turn up post flow.
Incorrect Tungsten or Incorrect Tungsten Size. Possible small size shield cup.
Read selecting the right tungsten on
Contaminated
Tungsten
If the Tungsten is dipping or melting inside the weld. Use larger tungsten
and fewer amps on the unit. Sharpen tungsten.
Poor Weld Quality
Remember to clean welding material prior to welding with acetone. Practice
on the form and technique. Use the right tungsten and filler rod.
STICK Welder
Having a Hard Time
Striking an Arc
Check the ground. Check the workpiece and clean it. Increase the Arc Force
on the unit.
STICK Welder
Producing Poor
Quality Welds
Use the proper rod and polarity.