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Lincoln 300/300 AC problem

sneebot

Stainless
Joined
May 14, 2001
Location
Massachusetts
I have a Lincoln 300/300 TIG welder that I'm having an issue with. It has
worked fine in the past but I have not used it for welding aluminum for
awhile.

When in AC mode the arc pulses-- like it's only getting powered half
the time. Arc turns on, completely off and cycles in this manner.
I'm not sure what would cause this. Any pointers for what I might
look at?
 
Sounds like you have pulsing turned on. Turn the pulsing off.

Did that once on my Precision Tig 225. Accidentally turned the pulsing on. Drove me crazy till I found it and shut it off. Comes in handy when you need it......
 








 
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