Lincoln Electric SVM204-A service manual Troubleshooting and Repair

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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
		OUTPUT PROBLEMS
(Continued)		8. Observe the oil level indicator	Reconnect P4/J4 to shut the
		light while cranking the engine.	engine down.
		If the light is blinking while	Attempt to start the engine
		cranking the engine, the oil level
			using the recoil starter; if the
		may be low, or the oil level
			engine starts, check lead #212
		system may be faulty. Contact
			for faulty insulation. If lead
		the engine manufacturer.
			#212 is good, replace the PC
			board.
			If the engine fails to start, have
			the engine and oil level system
			checked by a qualified engine
			service technician.
The engine will not shut down.			1. Place the engine switch in the
			“stop” position and check for
			battery voltage at the PC board
			pin J3-10. (lead #211)					If
			voltage is present, the switch is
			defective.
			2. Locate		and	ground		the
			brown/white			lead	from	the
			engine ignition magneto. If the
			engine still will not shut down,
			the engine ignition magneto
			may be defective. Contact a
			qualified engine technician.
			3. If the engine shuts down when
			the	brown/white			lead	is
			grounded, check wiring and
			connections at leads #212,
			GND-I, GND-J, and the brown
			leads between connector J4/P4
			and	the	engine		ignition
			magneto. If these leads and
			connections are good, replace
			the PC board.

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.

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