Hypertherm Powermax125 Service Manua - Manual (Page 130)

130 Powermax125 Service Manual 808070
8 – Troubleshooting and System Tests
Run a gas test
Gas test mode is referenced in the system tests. The following procedure describes how to put your power supply into
gas test mode.
1. Display the service screen by simultaneously pressing the automatic/manual and current/gas mode selectors for
approximately 2 seconds.
2. Select the gas test field by pressing the current/gas mode selector until the asterisk (*) is next to the “G.”
(See Figure 18.)
3. Use the adjustment knob to set the gas test field from 0 to 1.
Figure 18
4. Use the adjustment knob to set the gas test field back to 0.
5. Simultaneously press the automatic/manual and current/gas mode selectors to exit the service screen.
WARNING!
Point the torch away from you before performing a gas test. Always keep hands, clothes, and objects
clear of the torch tip, and never point the torch toward yourself or others.