Lincoln Electric IM10018-A manual Facility

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E-8	TROUbLESHOOTING	E-8

	Observe all Safety Guidelines detailed throughout this manual

PRObLEMS	POSSIbLE
(SYMPTOMS)	CAUSE

	OUTPUT PRObLEMS
Machine shuts off (input contactor	1. Remove all welding cables and
drops out) when the welder output	control cables from the DC 600.
terminals are made electrically	Jumper #2 to #4 at the terminal
"hot".	strip or set OUTPUT TERMI-
(#2 to #4 closure at terminal strip.)	NALS switch to ON position. If
or OUTPUT TERMINALS switch	the machine does NOT shut off
is in ON position.	and normal open circuit voltage
	is present at the welder output
	terminals the problem is exter-
	nal to the DC600. Either the
	remote leads #75, #76 or #77
	are grounded to the negative
	output cable or there is a short
	on the welding output terminals.
	2. If the machine still shuts off
	when all control and welding
	cables are removed then the
	problem is internal to the DC-
	600.

The DC600 will NOT shut off when	1. Contact your local	Lincoln
the Power Switch is turned to	Authorized Field	Service
OFF.	Facility.

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

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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 InstallationSelect Proper Location Stacking Hole Stacking PinsSafety Precautions Electric Shock can KillGround Connection Fuse and Wire SIzESInput Power Supply Connections Electrical Input ConnectionsSee Machine Rating Plate for Required Input Supply Voltage Reconnect ProcedureELECTRODE, Work and #21 Lead Connections Output ConnectionsTerminal Strip 2 T.S.2 Auxiliary Power and Control CONNections Terminal Strip 1 T.S.1ARC Rays can burn Electric Shock can killFumes and Gases can be dangerous Recommended Processes and EQUIP- Ment Design Features and AdvantagesOperation General DescriptionOutput Terminals OFF Input PowerOutput Control Output Voltage Current Nection Controls and SettingsInput Power ON/OFF Switch Power LightAuxiliary Power in MS-RECEP- Tacle For codes 11707 and above OVERLOAD, OVERCURRENT, and Fault ProtectionCC Mode Remote Control of Machine OperationWelding Procedure Recommendations CV ModeNA-3 Automatic Wire Feeder Operation Factory or Field Installed Options AccessoriesWire Feeders and Tractors Field Installed OptionsFigure C.2 MULTI-PROCESS Switch CAbLE Connections Accessories Routine and Periodic Maintenance 1MAINTENANCED-1Safety Precautions Electric Shock can Kill TROUbLESHOOTING Handle only at Board can be damaged by static electricityStatic-Sensitive DevicesOutput 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 GuideChecking Output Control RHEO- Stat on Machine R1 Checking Power ON/OFF Switch S1Connecting Remote Output Control Rheostat to the Machine BOARD TROUbLESHOOTING Guide VRD P.C. bOARDDiagrams 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