Lincoln Electric SVM194-A service manual System Voltage Tests

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F-13	TROUBLESHOOTING AND REPAIR				F-13
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS		POSSIBLE AREAS OF		RECOMMENDED
(SYMPTOMS)		MISADJUSTMENT(S)		COURSE OF ACTION
The engine will not crank when		FUNCTION PROBLEMS
			•	Check that the Engine Control
the start button is pressed.				Module (ECU) is getting
(Classic® 300D Kubota)				battery power and has a good
				ground connection (See
(Continued)				wiring diagram)
			• Check lead #52B between the
			•	start button and the ECU.
				Replace the ECU.
The engine cranks when the		Make sure the run/stop switch		Perform the Engine Fuel
start button is pressed, but will		is in the run position.		System Voltage Tests.
not start.		The run/stop switch may have
(Classic® 300G and Classic®		been left in the run position for
300D Perkins)		more that 30 seconds (60
		seconds for some models).
		Reset the engine protection
		system by moving the run/stop
		switch off, then on again.
		Check that the battery circuit
		breaker is not tripped.
		Check that there is an
		adequate supply of fresh clean
		fuel, and that the fuel shut-off
		valve is open.
		Check and if necessary,
		replace the fuel filter.
		(Classic® 300D Perkins only)
		If the machine is being used in
		a cold climate, the Glow Plugs
		may need to be used. See the
		welder operatorsʼ manual and
		the engine operatorʼs manual
		for detailed instructions.
		(Classic® 300D Perkins only)
		There may be air in the fuel
		system. See the engine
		manufacturerʼs manual and
		bleed all air from the fuel
		system.

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.

CLASSIC® 300D & 300G