Hypertherm XPR170 - Page 326

Diagnostics and Troubleshooting
8
326 810060 Instruction Manual XPR170
4. Pull up the N
2
regulator knob so the orange indicator is visible.
5. Go to Gas System in the XPR web interface.
6. Choose TEST PREFLOW.
7. While the gas flows, adjust the regulator until the shield inlet sensor (P4) on the XPR web
interface is 6.9 bar (100 psi).
Follow these steps to adjust the Ar regulator
1. Install 1 of the following sets of consumables:
 300 A O
2
/Air
 170 A O
2
/Air
2. Use the XPR web interface to choose 1 of the following processes:
 1205 for O
2
/N
2
mild steel
 1157 for O
2
/Air (Ar pierce assist) mild steel
3. Remove the cover for OptiMix gas connect console.
4. Pull up the Ar regulator knob so the orange indicator is visible.
5. Go to Gas System in the XPR web interface.
N
2
Ar
N
2
Ar