Kemppi FastMig KM400 User Manual

3.3.3 Control knobs
• Theleft-handcontrolknob(P8)allowsadjustmentofthespeedofwirefeeding.The
selected speed is shown on the display on the left-hand side (P2).
• Thecontrolknobontheright-handside(P9)allowsyoutoadjusttheweldingvoltage.The
selected voltage is shown on the right-hand display (P6).
Theseadjustersareusedalsoforselectingthevaluesofthemachine’soperationalparameters,
such as the MIG mode and set-up features. A parameter for adjustment is selected with the
left-hand knob knob (P8), while the value of the parameter is selected with the right-hand
knob (P9).
3.3.4 Adjustment of MIG dynamics (arc force)
When you press button P3, you can adjust the MIG welding dynamics of the machine by
means of the right-hand knob, P9. The welding dynamics setting aects the properties of the
weldingarcandtheamountofspatterasfollows:
• Thevalue0istherecommendedbasicsetting.
• Usevalues-1…-9ifyouwantasofterarcandlessspatter.
• Usevalues1…9ifyouwantarougherandmorestablearc.Thissettingisusefulwhen
you are using 100% CO₂-shielding gas when welding steel.
3.3.5 Gas test
The gas test button (P4) opens the gas valve without activating the wire feed or power source.
Bydefault,gasowsfor20seconds.Thegasowtimeremainingisshownonthedisplay.
Theright-handknob(P9)allowsyoutosetthedefaultgasowtime,between10-60seconds,
andstorethenewdefaultvalueinthemachine’smemory.Toabortthegastest,pressthestart
button or gun switch.
3.3.6 Wire Inch
When you press the Wire inch button, P5, the wire feeder engine starts but the gas valve does
not open and the power source is not activated. The default wire feed speed is 5 m/min, and
you can adjust the speed with the right-hand knob. When the button is released, the wire
feedingstops.Themachineautomaticallygoesbacktothenormalstateafterapproximately
ve seconds from release of the button or immediately when you press the start button.
3.3.7 Selection of liquid- or gas-cooled MIG gun
YoucanselectaMIGguncooledwithliquidorgasbypressingbuttons3and5simultaneously
and holding them down for at least one second.
• Whenthedisplayreads‘GAS’,youcanuseagas-cooledMIGgunwiththeequipment.
• Whenthedisplayreads‘COOLEr’,youcanusealiquid-cooledMIGgunwiththe
equipment.
YoucanchangethegunselectionbypressingbuttonsP3andP4again,asabove.Witha
liquid-cooled gun selected, the liquid cooling function is started when the power source is
startedthenexttime.
3.3.8 Retrieval of weld data
The weld data function allows you to return to the welding current and voltage used during
the previous session, with the weld data feature. To use the feature, press buttons P4 and P5
simultaneously.
3.3.9 Selection of control panel
Button P10 allows you to switch control between the control panels in the power source and
wire feeder. The indicator shows which of the control panels is in use.
• Whenthe‘LOCAL’lightison,thewirefeedingspeedandweldingcurrentaresetusing
knobs P8 and P9 of the power source control panel.
• Whenthe‘REMOTE’lightison,thewirefeedspeedandweldingcurrentaresetusingthe
control panel of the wire feeder. Control knobs of the power source are disabled in this
mode.
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FastMig KM 300, 400, 500 / © Kemppi Oy / 0901
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Kemppi FastMig KM400 Specifications

General

Brand	Kemppi
Model	FastMig KM400
Category	Welding System
Language	English