Lincoln Electric 11226, 11124 manual Weld

E-5		TROUBLESHOOTING				E-5
	Observe all Safety Guidelines detailed throughout this manual
	PROBLEMS		POSSIBLE			RECOMMENDED
	(SYMPTOMS)		CAUSE			COURSE OF ACTION
	WELD	AND ARC QUALITY PROBLEMS
Cannot weld AC.		1.	Improper	Ethernet	I/O	1. Verify Ethernet board DIP Switch
			Configuration.			settings.
		2.	AC Switch Problem.			2. If major physical or electrical
						damage is evident when the
						sheet metal cover is removed
						from the AC Switch (lower sec-
						tion of the machine).Contact your
						local authorized Lincoln Electric
						Field Service facility for technical
						assistance.
Machine output shuts down during a		1.	Secondary current limit has been			1. Adjust procedure or reduce load
weld.			exceeded, and the machine			to lower current draw from the
			shuts down to protect itself.			machine.
		2.	Single phase input (loss of L2).			2. Single phase input (loss of L2). A
						single phase input (loss of L2)
						will reduce the secondary current
						limit and cause secondary over
						current shutdown at lower output
						levels. Check the input fuses and
						supply lines.
		3.	Re-strike Time exceeded.			3. Adjust the process parameters to
						avoid excessive arc loss time or
						increase the re-strike time.
Machine won’t produce full output.		1.	Input voltage may be too low,			1. Make certain that the input volt-
			limiting output capability of the			age is proper, according to the
			power source.			Rating Plate located on the rear
						of the machine.
		2.	Machine calibration.			2. Calibrate secondary current and
						voltage.
Excessively long and erratic arc.		1.	Voltage sensing problem.			1. Check for proper configuration
						and implementation of voltage
						sensing circuits.
		2.	Machine calibration.			2. Calibrate secondary current and
						voltage.

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