Lincoln Electric SVM161-A service manual Perform the Input Filter Board

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F-5	TROUBLESHOOTING AND REPAIR									F-5
Observe Safety Guidelines detailed in the beginning of this manual.
	PROBLEMS		POSSIBLE AREAS OF					RECOMMENDED
	(SYMPTOMS)		MISADJUSTMENT(S)					COURSE OF ACTION
			FUNCTION PROBLEMS
No or low output. Error code “E11”		1. “E11” is an		indication	that the		1. If the correct input			voltage
is flashing on the digital display.			input voltage being applied is too					230VAC or 115VAC is being
			high. Check for the correct input					applied to the machine the Input
			voltage. 230VAC or 115VAC.					Filter Board may be faulty.
								Perform the Input Filter Board
								Test.
							2. The Main IGBT Inverter Board
								May be Faulty. Perform the
								Main IGBT Inverter Board Low
								Voltage Supply Test.
No or low output. Error code “E12”		1.	“E12” is an indication that the				1.	If the correct input voltage
is flashing on the digital display.			input voltage being applied is too					230VAC or 115VAC is being
			low. Check for the correct input					applied to the machine, the
			voltage. 230VAC or 115VAC.					Input Filter Board may be
								faulty. Perform the Input Filter
								Board Test.
							2. The Main IGBT Inverter Board
								May be Faulty. Perform the
								Main IGBT Inverter Board
								Low Voltage Supply Test.
No output. Error code “E10” is		1.	The welding application may be				1.	One of the thermal devices may
flashing on the digital display. The			exceeding	the recommended				be faulty.	Check and replace if
thermal indicator light is on.			duty cycle.					necessary.	See the	Wiring
								Diagram.
		2. Dirt and dust may have clogged
			the cooling channels inside the				2. The Main IGBT Inverter Board
			machine.	Refer	to	the		may be faulty.
			Maintenance Section		in	this
			manual.
		3. The air intake and exhaust lou-
			vers may be blocked due in inad-
			equate clearance around			the
			machine.
		4. Make sure		the cooling fan is
			operating correctly.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-888-935-3877.

INVERTEC® V205-T AC/DC™