I am a casual welder - bought this PP256 about 4 years ago new and have used it maybe on a dozen projects.

The last two times I tried to use the machine I have had problems with the HF start not working. Last time I fixed this by resetting the spark gap to .030"

This time I tried the same thing with no luck. At .030 there is no spark across the electrodes at any time. I can sometimes get it to scratch start, but mostly when I make contact with the workpiece the tungsten just sticks to it.

I have a paying job on my table and this unit has been so unreliable, I regret taking the job and also buying the PP256 at this point.

What other troubleshooting can I do? I checked all the electrical connections from the fusebox to the power switch inside the machine. All looked solid.

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