Kemppi WFX 200 User Manual

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© Kemppi Oy / 1736
EN
4. BASIC TROUBLESHOOTING
NOTE! The problems listed and the possible causes are not denitive, but serve to suggest some
standard and typical situations that may present during normal environmental use when using
the MIG/MAG process with FastMig X 350 or X 450 and WFX wire feeders.
Problem Check the following
Machine won’t work
• Check mains plug is connected correctly
• Check mains power distribution is switched on
• Check the mains fuse and or circuit breaker
• Check power source 0/I switch is ON
• Check interconnection cable set and connectors between the power source and wire feed unit
are correctly fastened. See the manual schematic
• Check earth return lead is connected
• Check control panels are switched on.
Dirty, poor quality
weld
• Check shielding gas supply
• Check and set gas ow rate
• Check gas type for application
• Check gun/electrode polarity
• Check correct welding program selected
• Check correct channel number selected on wire feeder control panel
• Check power supply – Phase down?
Variable welding
performance
• Check wire feed mechanism is correctly adjusted
• Check correct drive rolls are tted
• Check wire spool overrun tension is correctly adjusted
• Check gun liner is not blocked, replace if necessary
• Check correct gun liner is tted for the ller wire size and type
• Check contact tip for size, type and wear
• Check gun is not over heating in application
• Check cable connections and earth return clamp
• Check welding parameter settings.
Filler wire won’t feed
• Check that pressure arms are closed and adjusted in wire feed mechanism
• Check welding gun switch function
• Check Euro gun collar is correctly fastened
• Check gun liner is not blocked
• Check contact tip, size, type, wear
• Check and try alternative gun
High spatter volume
• Check welding parameter values
• Check inductance/Dynamics values
• Check cable compensation value if long cables are tted
• Check gas type and ow
• Check welding polarity – cable connections
• Check ller material selection
• Check correct welding program selected
• Check correct channel number selection
• Check ller wire delivery system
• Check power supply – 3-phase present?

Kemppi WFX 200 Specifications

General

Brand	Kemppi
Model	WFX 200
Category	Welding System
Language	English