19
Fig. 4-4-1: Sub menu operation
Press and hold the selection knob and TIG/SMAW selection button at same time for 5
seconds to exit the sub menu interface.
4-5 Other function
4-5-1 Switch between gas cooling/water cooling mode
When using water-cooling torch, press and hold the selection knob and adjustment
knob at same time for 3 seconds, the machine will display "E0A" code and set to water-
cooling state. Start the water-cooling unit and the "E0A" code will disappear
automatically as soon as the water-cooling unit operates properly (Fig. 4-5-1).
When using gas-cooled torch, press and hold the selection knob and adjustment knob
at same time for 3 seconds, the " E0A" code disappears and the machine is set to gas-
cooling state. When using gas-cooled torch, welding machine does not show water
shortage protection. (Fig. 4-5-1).
Fig. 4-5-1: Switch between gas cooling/water cooling