When you pull the triger on the gun the wire dose not feed the feed rollers do not move. the wire dose not ark
Release the wire feed rollers,turn the wire feed dial up to maximum ensure you are well away from the earth clamp, pull the triger, you should hear the relay click in, if it dosn't check the 5 mil anti serge fuse positioned on either the front of the set or on the control panel near the wire feed rollers inside the cabinet. usualy covered by a plastic screwed knob, make sure the unit is unpluged before any testing.
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Check for a bad connection at the front of the welder where the trigger plugs in.
replace your lead or if possible just the trigger
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