Lincoln Electric 11124, 11226 manual ARC Quality Problems

E-4			TROUBLESHOOTING				E-4
		Observe all Safety Guidelines detailed throughout this manual
		PROBLEMS			POSSIBLE		RECOMMENDED
		(SYMPTOMS)			CAUSE		COURSE OF ACTION
	Auxiliary receptacle is “dead”.			1.	Circuit breaker CB2 (on case	1.	Power down and reset CB2.
					front) may have tripped.
				2.	Circuit breaker CB3 or CB4 (in	2.	Power down and reset CB3 or
					reconnect area) may have		CB4.
					tripped.
		WELD		AND ARC QUALITY PROBLEMS
	General degradation of weld per-			1.	Wire feed problem.	1.	Check for feeding problems.
	formance						Make sure proper gear ratio
							has been selected.
				2.	Cabling problems.	2.	Check for bad connections,
							excessive loops in cable, etc.
						NOTE: The presence of heat in
							the external welding circuit
							indicates poor connections
							or undersized cables.
				3.	Verify weld mode is correct for	3.	Select the correct weld mode
					process.		for the application.
				4.	Machine calibration.	4.	The power source may
							require calibration. (current,
							voltage, WFS).
	Wire burns back to tip when the arc			1.	Voltage sense lead problem.	1.	Check sense lead connec-
	is initiated.						tions. Check DIP switch set-
							tings for sense lead configura-
							tion and arc polarity. Make
							sure Electrode and Work con-
							nections are not reversed.
				2.	Wire feed problem.	2.	Check for feeding problems.
							Make sure proper gear ratio
							has been selected.
	Wire burns back to tip at the end of			1.	Burnback Time	1.	Reduce burnback time and/or
	the weld.						work point.

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.

POWER WAVE® AC/DC 1000