Lincoln Electric SP-255 manual 6TROUBLESHOOTING

E-6TROUBLESHOOTING

Observe Safety Guidelines

detailed in the beginning of this manual.

TROUBLESHOOTING GUIDE

PROBLEMS	POSSIBLE AREAS OF		RECOMMENDED
(SYMPTOMS)	MISADJUSTMENT(S)		COURSE OF ACTION
		FEEDING PROBLEMS
Rough wire feeding or wire will not	1. The gun cable may be kinked or
feed but drive rolls are turning.		twisted.
	2.	The wire may be jammed in the
		gun cable, or gun cable may
		be dirty.
	3.	Check drive roll tension and
		position of grooves.
	4.	Check for worn or loose
		drive roll.	If all recommended possible areas
	5.	The electrode may be rusty or
		dirty.	of misadjustment have been
	6.	Check for damaged or incorrect	checked and the problem persists,
		contact tip.	contact your local Lincoln
			Authorized Field Service Facility.
There is no wire feed but arc	1. If the drive rolls are turning
voltage is present.		check the drive roll tension.
		Check for restrictions in the wire
		feeding path.
	2.	If the drive rolls are not turning
		when the gun trigger is pulled
		there is a problem within the
		SP-255.
	3.	If using a Spool Gun adapter kit,
		make sure transfer switch is in
		the correct position.

PROBLEMS	POSSIBLE AREAS OF		RECOMMENDED
(SYMPTOMS)	MISADJUSTMENT(S)		COURSE OF ACTION
		GAS FLOW PROBLEMS
Gas does not flow when gun trigger	1. The Process gas type may be
is pulled.		set to NONE for Innershield.
		Press Process key and enter
		correct process including gas.
	2.	Make sure gas supply is con-	If all recommended possible areas
		nected properly and turned “on”.	of misadjustment have been
	3.	If the gas solenoid does actuate	checked and the problem persists,
		when the gun trigger is pulled	contact your local Lincoln
		there may be a restriction in the	Authorized Field Service Facility.
		gas supply line.
	4.	The gun cable assembly may be
		faulty. Check or replace.
	5.	If using a Spool Gun adapter kit,
		make sure transfer switch is in
		the correct position.

CAUTION

If for any reason you do not understand the test procedures or are unable to Perform the tests/repairs safely, contact your

LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.

IDEALARC SP-255