Lincoln Electric 200 service manual Board Test. Replace if

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F-9	TROUBLESHOOTING & REPAIR			F-9
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS		POSSIBLE AREAS OF	RECOMMENDED
(SYMPTOMS)		MISADJUSTMENT(S)	COURSE OF ACTION
		OUTPUT PROBLEMS	1. Check the idler control switch
The engine will NOT go to high		1. Check the auxiliary power plug
speed when a load is applied to		and associated leads for loose	and associated leads for
the DC auxiliary receptacle. The		or faulty connections.	loose or faulty connections.
engine does go to high speed		2. The load may be too small.	See the Wiring Diagram.
when a load is applied to the			2. Check the CURRENT
welding output terminals. When		The load must be above 150	SENSING PC BOARD.
the engine is operating in the		watts.	Perform the Current Sense
high RPM condition, both			Board Test. Replace if
welding output and DC auxiliary			necessary.
are normal.			3. Perform the Idler Solenoid
			Test. (PERKINS 10929
			ONLY)
			4. Check for loose or faulty
			connections at the idler PC
			board (PERKINS) ECU in
			Kubota and Throttle Body
			Controller GM 3.0 liter.
			5. The idler PC board
			(PERKINS) ECU in Kubota or
			Throttle Body Controller -GM
			3.0 liter may be faulty.
			Contact the Lincoln Electric
			Service Dept. 1-888-935-
		1. Make sure the ignition switch	3877.
The engine “cranks” but will not			1. Check the ignition switch for
start.		is in the ON position.	proper operation. Check the
		2. Check for adequate fuel	associated leads for loose or
			faulty connections. See the
		supply.	Wiring Diagram.
			2. Check the fuel solenoid. Make
			sure it is opening when
			+12VDC is applied.(Except
			Kubota) See the Wiring
			Diagram.
			3. The idler PC board may be
			faulty (Perkins 10929)
			Replace, OR The ECU Kubota
			or Throttle Body Controller GM
			3.0 Liter may be faulty. Contact
			the Lincoln Electric Service
			Dept. 1-888-935-3877.

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.

PIPELINER® 200