Lincoln Electric GX 271 specifications Field Service Facility for technical

E-3	TROUBLESHOOTING	E-3
	Observe all Safety Guidelines detailed throughout this manual

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF MISADJUSTMENTS(S)

RECOMMENDED

COURSE OF ACTION

Engine will not idle down to low	1.	Idler switch in High idle position.	1.	Set switch to Auto.
speed.	2.	External load on welder or auxil-	2.	Remove all external loads.
		iary power.
	3.	Faulty PC board or idler solenoid.	3.	Contact your Local Lincoln Authorized
				Field Service Facility for technical
				troubleshooting assistance.
Engine will not go to high idle when	1.	Poor work lead connection to	1.	Make sure work clamp is tightly con-
attempting to weld.		work.		nected to clean base metal.
	2.	"Welding Terminals" switch is in	2.	Set to "Always On" when welding with-
		wrong position.		out a welding terminal control cable.
				Refer to Operations chapter for proper
				use of this switch.
	3.	Faulty PC board. Low idle speed	3.	Contact your Local Lincoln Authorized
		set too low.		Field Service Facility for technical
				troubleshooting assistance.
Engine will not go to high idle when	1.	Auxiliary power load is less than	1.	Idler may not respond with less than a
using auxiliary power.		100 watts.		100 watt load. Set idler to "High".
	2.	Faulty PC board.	2.	Contact your Local Lincoln Authorized
				Field Service Facility for technical
				troubleshooting assistance.
Engine does not develop full power.	1.	Fuel filter clogged.	1.	Replace.
	2.	Air filter clogged.	2.	Clean or replace.
	3.	Fouled spark plugs.	3.	Clean or replace.
	4.	Valves out of adjustment.	4.	Contact authorized engine service
				shop.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

GX 271 Chopper