Glad you figured it out. You might plan to install a another pressure gauge closer to your cutter. It will tell you two things:
- Has there been any changes to the expected pressure (such as someone changing a regulator upstream); and
- If you have both upstream and downstream gauges, and you start cutting and see a tremendous drop of the downstream gauge, you might assume one of your filters (such as Motorgard) may need a new element.
Here is a topic that was started a few months ago, discussing where to buy Hypertherm consumables: