Gullco GK-203-400-12 - Manual (Page 18)

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During tracking in auto mode the E.A.H.S. system unexpectedly goes out of tracking.
Possible cause(s): An unstable arc can momentarily cause a zero current condition which
is less than 10 amps causing the E.A.H.S. to stop tracking. Once the arc becomes stable
again it will recalibrate and track.
Possible solution(s): Verify welding parameters and that there is no wire feed issues (drive
wheel slippage) that would cause an unstable arc.