Panasonic YD-500KR Operating Instructions Manual

Also see for YD-500KR: Operating instructions

35INITIAL TROUBLE DIAGNOSISErrorBlock and check itemWire feeder Adaptability of the feed Roller and SUS tube wire Diameter Crack, choked groove, or tipping ofthe feed roller Excessive/insufficient clamping ofthe pressure rod Accumulation of wire powder aroundthe SUS tube inlet○ ○ ○ ○ ○Welding torch andtorch cable Overlapped winding of the torchcable, bending at an acute angle Wire diameter adaptability, wear,clogging, and deformation of the chipand conduit tube○ ○ ○ ○Torch body andsurroundings Slackness of the chip, nozzle, andinsulated cylinder Insertion/clamping of the torch bodyto the connector○ ○Welding torch powercable and torchswitch contro1 cable Snapping of the cable (bendingfatigue) Trace of a drop of a heavy substance○ ○ ○ ○ ○Surface condition ofthe base metal andwire projectionlength (Distancebetween the chip andbase metal) Oil, contamination, rust, paintingfilm Too much wire projection○ ○ ○ ○ ○Output cable Insufficient sectional of area ofcable Loose connection of the "+" or "-"output cable Improper power source to the basemetal○ ○ ○Extension cable Insufficient sectional area of thecable Overlapped winding of the cable inuse○ ○ ○ ○Welding conditions Reconfirmation or the weldingcurrent and voltage, torch angle,welding speed, wire projection length,etc.○ ○ ○ ○ ○Blow HoleWire Burningup to TipWire Thrustinginto Base MetalDirty BeadUnstable ArcImproper Arc StartNo Wire Coming outNo Gas ProducedNo Arc Produced