Lincoln Electric IM10018-A manual LOCAL/REMOTE Switch

E-5	TROUbLESHOOTING	E-5
	Observe all Safety Guidelines detailed throughout this manual

PRObLEMS	POSSIbLE
(SYMPTOMS)	CAUSE

		OUTPUT PRObLEMS
Machine input contactor operates	1.	Place OUTPUT TERMINAL
but machine has no weld		Switch to “ON”, or install a
output.Fan runs and pilot light		jumper from #2 to #4 on
glows.		machine terminal strip. If
		machine weld	output	is
		restored the problem is in the
		wire feeder or control cable.
	2.	If remote control is not being
		used make certain		the
		LOCAL/REMOTE	SWITCH
		(SW3) is in the "Local" position.
	3.	Check 42V Circuit Breaker in
		the front panel. Reset if neces-
		sary.
	4.	Check for loose or faulty weld
		cable connections.
	5.	Trigger circuit not working.
	6.	If machine functions properly in
		CV modes but not in CC mode,
		check for loose connections at
		VRD P.C. board.
	1.	Check for faulty mode switch.
Red and Green lights do not come
on for approximately 5 seconds	2.	Check for loose connections at
when switching to or powering up		VRD P.C. board.
in CC mode.
	3.	Possible bad VRD P.C. Board.
	1.	Check to make sure output is
Both red and green lights stay on		not shorted (electrode touching
in CC mode well past the 5 second		work).
pretest time.
	2.	If using an across the arc Wire
		Feeder, remove the clamp from
		the output stud until after the 5
		second pretest is complete.

RECOMMENDED

COURSE OF ACTION

If all recommended possible areas of possible cause have been checked and the problem persists,

Contact your local Lincoln Authorized Field Service Facility.

3. Uncoil output cables.

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.

IDEALARC® DC-600 VRD