Lincoln Electric IM10018-A manual TROUbLESHOOTING

Page 33

E-6	TROUbLESHOOTING	E-6

	Observe all Safety Guidelines detailed throughout this manual

PRObLEMS	POSSIbLE
(SYMPTOMS)	CAUSE

			OUTPUT PRObLEMS
	Machine has maximum weld out-	1.	LOCAL/REMOTE Switch (S3)
	Machine has maximum weld out-	1.	LOCAL/REMOTE Switch (S3)
	put and no control.		in wrong position.
		2.	LOCAL/REMOTE Switch (S3)
			is faulty, or an open lead going
			to the LOCAL/REMOTE Switch
			(S3).

	VRD passes self test and green	1.	Too much cable inductance.
	light is on, but machine will not
	Weld.		• Uncoil output cables, shorten
			cable length, or wrap work and
			electrode cables together.
		2.	Too much cable.
			• Maximum cable length (work
			and electrode) is approximately
			300 feet.
		3.	Buildup on stick electrode.
			Clean or replace electrode.
		4.	Possible shorted bridge rectifier,
			if pilot light is off.
		5.	Fault detected after self test.
			Cycle power to reset machine.

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.

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

Image 33

Contents Idealarc DC-600 VRD Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSafety On-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTAbLE of Contents TAbLE of Contents Technical Specifications Idealarc DC-600 VRD InstallationSafety Precautions Stacking Hole Stacking PinsElectric Shock can Kill Select Proper LocationInput Power Supply Connections Fuse and Wire SIzESElectrical Input Connections Ground ConnectionSee Machine Rating Plate for Required Input Supply Voltage Reconnect ProcedureELECTRODE, Work and #21 Lead Connections Output ConnectionsNections Auxiliary Power and Control CONTerminal Strip 1 T.S.1 Terminal Strip 2 T.S.2Electric Shock can kill Fumes and Gases can be dangerousARC Rays can burn Operation Design Features and AdvantagesGeneral Description Recommended Processes and EQUIP- MentOFF Input Power Output Control Output Voltage CurrentOutput Terminals Input Power ON/OFF Switch Controls and SettingsPower Light NectionAuxiliary Power in MS-RECEP- Tacle For codes 11707 and above OVERLOAD, OVERCURRENT, and Fault ProtectionWelding Procedure Recommendations Remote Control of Machine OperationCV Mode CC ModeNA-3 Automatic Wire Feeder Operation Wire Feeders and Tractors AccessoriesField Installed Options Factory or Field Installed OptionsFigure C.2 MULTI-PROCESS Switch CAbLE Connections Accessories 1MAINTENANCED-1 Safety Precautions Electric Shock can KillRoutine and Periodic Maintenance TROUbLESHOOTING Static-Sensitive Board can be damaged by static electricityDevices Handle only atOutput PRObLEMS TROUbLESHOOTING LOCAL/REMOTE Switch TROUbLESHOOTING Check all Three-Phase input Facility PRObLEMS Symptoms Welding PRObLEMS Poor arc characteristics in all processes Control P.C. bOARD BOARD TROUbLESHOOTING GuideConnecting Remote Output Control Rheostat to the Machine Checking Power ON/OFF Switch S1BOARD TROUbLESHOOTING Guide VRD P.C. bOARD Checking Output Control RHEO- Stat on Machine R1Diagrams Diagrams Diagrams Diagrams Feeder Connection of LN-742 to the DC-600 VRD Power SourceConnection of LN-7 to the DC-600 VRD Power Source 600 Connection of LN-8 or LN-9 to the DC-600 VRD Power SourceControl Cable Connection of NA-5/-5R to the DC-600 VRD Power Source Lincoln Wire DC-600 VRD Dimension Print with K817P Undercarriage DC-600 VRD Dimension Print with K842 Undercarriage Precaucion Warnung