Kemppi FastMig X 450 Operating Manual

Also see for FastMig X 450: Quick guide Quick guide Service manual

EN3. OPERATION CONTROL3.1 Main switch I/OWhen you turn the on/off switch into position I, the pilot warning lamp is illuminated and themachine is ready for use. Always turn the machine on and off with the power source mainsswitch. Never use the mains plugs as a switch.3.2 Pilot lampsThe pilot lamps of the machine report its operational state:When the green pilot lamp is on, it indicates that the machine is switched on and ready foruse.When the orange pilot lamp is on, it indicates that the machine is overheated due to higherthan normal working loads that exceed the rated duty cycle. The cooling fan will continue torun and cool the machine down. When the lamp is off the machine is again ready to weld.3.3 Operation of cooling fanFastMig X 450 power sources incorporate two simultaneously operating fans.• The fan is started momentarily when the main switch is turned into position I.• The fan will start during welding as the machine reaches operational temperature, andit will run for 1 to 10 minutes after the welding has stopped, depending on the weldingcycle completed.3.4 Manual Metal Arc WeldingMMA electrode welding is a standard feature of FastMig X 450 power source. To use it youneed to connect the electrode holder to the power source positive pole (+) and select theMMA welding mode either from the power source or from the wire feeder:• In power source control panel, select MMA/CC/CV Mode from the main menu list.– OR –• in wire feeder control panel, select MMA/CC/CV option with a long press of thecorresponding up-down-arrow.NOTE! There must be an MMA memory channel defined before you can use these modes. To createa memory channel, see the Control panel section of this manual.3.5 Using external devices with CC and CV modesFastMig X 450 is a CC (constant current) and CV (constant voltage) power source. With thisfunction you can use it as a power source for the voltage sensing wire feeder ArcFeed and TIGwelding device MasterTig LT 250.To use the CC/CV function you select MMA/CC/CV Mode option from the main menu of thepower source control panel.NOTE! There must be a CC or CV memory channel defined before you can use these modes. Tocreate a memory channel, see the Control panel section of this manual.FastMig X 45010