Lincoln Electric IM869-D manual Troubleshooting

E-4		TROUBLESHOOTING	E-4
	Observe all Safety Guidelines detailed throughout this manual
	PROBLEMS	POSSIBLE	RECOMMENDED
	(SYMPTOMS)	CAUSE	COURSE OF ACTION
		FUNCTION PROBLEMS
Welding current too great or too		1. “Current Control” shaft and han-	1. With current control against the
small compared to indication on the		dle may have turned slightly in	minimum stop, set pointer to with-
dial.		the insulated bushing of the cur-	in 1/8” of the last scale division.
		rent control brushholder, caused
		by turning handle too hard against
		one of the stops.
		2. Exciter output low causing low	2. Check for shorts in exciter arma-
		output compared to dial indica-	ture with growler.
		tion.
		3. “Current Control” set to minimum	3. Check to see that series field is
		and welder output so great that	properly connected and not short-
		engine stalls when arc is struck.	ed.

Welder has output and no control	1. Local/Remote switch is in wrong	1. Place switch in “LOCAL” position
	position.	to control output at the welder.
		Place switch in “REMOTE” posi-
		tion to control output remotely.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

SAE-400