Lincoln Electric SVM151-A service manual Function Problems

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F-7						F-7
TROUBLESHOOTING & REPAIR
TROUBLESHOOTING GUIDE				Observe Safety Guidelines
		detailed in the beginning of this manual.
PROBLEMS	POSSIBLE AREAS OF		RECOMMENDED
(SYMPTOMS)	MISADJUSTMENT(S)		COURSE OF ACTION
		FUNCTION PROBLEMS
The preset amps (CC mode) or	1.	The panel Output Control is dis-	1.	The Output Control (R1) may be
volts (CV mode) are not adjustable.		abled when a remote control		faulty.	Check or replace.	Also
		device is plugged into the 6-pin		check	associated leads	for
		remote receptacle.		loose or faulty connections.
			2.	Check all the plug connections
				to the Weld Control Board for
				loose	or faulty connections.
				See the Wiring Diagram.
			3.	The Weld Control Board may be
				faulty. Replace.
The preset range is not correct.	1.	The panel Output Control is dis-	1.	Make sure plug P3 is connected
		abled when a remote control		securely to receptacle J3 on the
		device is plugged into the 6-pin		Weld Control Board. See the
		remote receptacle.		Wiring Diagram. Make certain
				all the jumper leads are in place.
			2.	Check all the plug connections
				to the Weld Control Board for
				loose	or faulty connections.
				See the Wiring Diagram.
			3.	The Weld Control Board may be
				faulty. Replace.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 1-800-833-9353.

MULTI-WELD 350