Esab Rebel HF Start on AC issues

[DMK]

I tried to upload a video but it wouldn’t work...anyways I bought a rebel in December and the HF starts in AC tig mode are hit and miss. Some times it works for for 10 starts and other times it tries to establish as arc and can’t 10 times or so in a row until eventually it does start up. I’m using a 2% ceriated tungsten. Wondering if anyone else has had this issue?

[G-ManBart]

What size tungsten, what amperage range, and how are you grinding the tungsten?

[DMK]

3/32 2% ceriated 100-150 amps