Lincoln Electric IM10018-A manual Poor arc characteristics in all processes

Page 38

E-11	TROUbLESHOOTING	E-11

	Observe all Safety Guidelines detailed throughout this manual

PRObLEMS (SYMPTOMS)

Poor arc characteristics in all processes.

POSSIbLE

CAUSE

WELDING PRObLEMS

1.Check for the correct input volt- ages on the three- phase input lines at the IDEALARC® DC-600 VRD.

2.Make sure the proper welding procedures are being used. (wire feed speed, arc voltage and wire size).

3.Check the welding cables for loose or faulty connections.

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 38

Contents Safety Depends on You Idealarc DC-600 VRDSafety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiSafety Please Examine Carton and Equipment For Damage Immediately On-Line Product RegistrationTAbLE of Contents TAbLE of Contents Installation Technical Specifications Idealarc DC-600 VRDElectric Shock can Kill Stacking Hole Stacking PinsSafety Precautions Select Proper LocationElectrical Input Connections Fuse and Wire SIzESInput Power Supply Connections Ground ConnectionReconnect Procedure See Machine Rating Plate for Required Input Supply VoltageOutput Connections ELECTRODE, Work and #21 Lead ConnectionsTerminal Strip 1 T.S.1 Auxiliary Power and Control CONNections Terminal Strip 2 T.S.2ARC Rays can burn Electric Shock can killFumes and Gases can be dangerous General Description Design Features and AdvantagesOperation Recommended Processes and EQUIP- MentOutput Terminals OFF Input PowerOutput Control Output Voltage Current Power Light Controls and SettingsInput Power ON/OFF Switch NectionAuxiliary Power in MS-RECEP- Tacle OVERLOAD, OVERCURRENT, and Fault Protection For codes 11707 and aboveCV Mode Remote Control of Machine OperationWelding Procedure Recommendations CC ModeNA-3 Automatic Wire Feeder Operation Field Installed Options AccessoriesWire Feeders and Tractors Factory or Field Installed OptionsFigure C.2 MULTI-PROCESS Switch CAbLE Connections Accessories Routine and Periodic Maintenance 1MAINTENANCED-1Safety Precautions Electric Shock can Kill TROUbLESHOOTING Devices Board can be damaged by static electricityStatic-Sensitive 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 BOARD TROUbLESHOOTING Guide Control P.C. bOARDBOARD TROUbLESHOOTING Guide VRD P.C. bOARD Checking Power ON/OFF Switch S1Connecting Remote Output Control Rheostat to the Machine Checking Output Control RHEO- Stat on Machine R1Diagrams Diagrams Diagrams Diagrams Connection of LN-742 to the DC-600 VRD Power Source FeederConnection of LN-7 to the DC-600 VRD Power Source Connection of LN-8 or LN-9 to the DC-600 VRD Power Source 600Control 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