Are you using a foot pedal, or is the machine set up to use one?I am just now trying the Hitbox HBT250P ac-dc.trying to weld aluminum. The dial for amp dosnt change. Stays on 10a.
Foot pedalAre you using a foot pedal, or is the machine set up to use one?
You correct. That's it.that was going to be my guess... if its in foot pedal mode the amp display likely wont do anything.