Voltage Sense PC Board Test | Lincoln Electric SVM172-A instruction

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F-17	TROUBLESHOOTING & REPAIR	F-17

VOLTAGE SENSE PC BOARD TEST

WARNING

Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and pre- cautions detailed throughout this manual.

If for any reason you do not understand the test procedures or are unable to per- form the test / repairs safely, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.

TEST DESCRIPTION

This test will help determine if the voltage sensing board is receiving the correct activa- tion signal from the control board and also if the voltage sensing board is processing arc voltage sensing information.

MATERIALS NEEDED

3/8 in. nut driver Volt-Ohm Meter

POWER FEED 10M SINGLE/DUAL

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Lincoln Electric SVM172-A service manual Voltage Sense PC Board Test, Test Description

Contents

Power Feed 10M SINGLE/DUAL Safety Electric Shock can kill Iii Welding Sparks can cause fire or explosion Sûreté Pour Soudage a L’Arc Précautions DE Sûreté Master Table of Contents for ALL Sections Installation Section Table of ContentsSection A-1 Welding Capacity Rating InstallationAmp Rating Duty Cycle Wire Drive Mounting See Figure A.1 Safety PrecautionLocation Mounting Weld Cable Sizing 4INSTALLATIONA-4Weld Cable Connection Table A.1 Coaxial Weld Cables Changing Electrode Polarity SettingNegative Electrode Polarity Control Cable Control Cable SpecificationsControl Cable Connections OFF Changing Drive Rolls Wire Wire Drive SystemsGuides Description Changing the GUN Receiver Bushing Drive Roll Pressure SettingTo change the gun bushing Set the drive roll pressure by GUN Receiver Bushing Welding GUNS, Torches and ACCES- Sories Changing the Gear Ratio Wire Feed Shut Down CircuitTo change the gear ratio Spindle Placement Wire Reel LoadingDIP Switch #8 Position Gear Ratio Loading 16 to 44 lb .3 20kg Spools 50-60 lb .7 27.2 kg Coil Mounting See Figure A.10 Using K1504-1 Coil Reel Figure A.11 Loading 30 lb .6 kg Readi-Reels See Figure A.11 Shielding GAS Connection INSTALLATIONA-14 Arclink Power Wave System Examples Connecting AN Bench Model Features Boom ConfigurationControl BOX Wire Drive CV Welding Pulse Welding or STT Welding Section B-1 Operation Section Operation Safety Precautions Common Welding Abbreviations Definitions of Welding Modes Product DescriptionRecommended Processes Additional Required Equipment Required EquipmentProcess Limitations Equipment Limitations Figure B.1- Case Front Controls Description Front Panel Controls and Connections Status LED Wire Feed SPEED/AMMETER DisplayOutput Knob Prior to Welding Volts / Trim Display and Output KnobSynergic CV Voltage Display Overview Mode Select Panel 4 MSP4LAYOUT-CONTROLS see Figure B.3 LAYOUT-DIGITAL Display Changing Weld Modes POWER-UP SequenceChanging ARC Wave Control Changing Weld Sequence Behavior Setup Features Menu Return Actuate while TIG welding, gas flow is manually Step / 4-STEP Trigger Switch Cold Feed / GAS Purge SwitchStep Trigger Step Trigger Operation See Figure B.4 Step Trigger OperationSequence of Operation Figure B.5 See Figure B.5 Figure B.6 Process Setup and Operation ARC Control Steel and Stainless Synergic GMAW-P Pulsed MIG Welding Migand GMAW-PP Pulse on Pulse Welding Aluminum Synergic GMAW-P PulsedPulse-on-Pulse Welding Machine Functionality by Weld Process CV GMAW/FCAW NON-SYNERGIC Process Weld Mode Gmaw Synergic Material Process GAS Wire Size030 035 045 052 Pulse and PULSE-0N-PULSE Modes STT and STT II Synergic 23OPERATIONB-23035 045 052 Transfer END Options Gtaw Touch Start TIG Welding Gtaw TIG WeldingARC Control Output Control Knobs Touch Start Using Procedure Memories Procedure Memory vs. User MemoryRecall a memory with memory buttons Recall a memory with the gun trigger High Limit Limit SettingLow Limit Attribute Section C-1 Accessories Section Optional Accessories Accessories Accessories Section D-1 Maintenance Section Safety Precautions Calibration Specification MaintenanceRoutine Maintenance Periodic Maintenance Figure D.1 Major Component Location Power Feed 10M SINGLE/DUAL Section AA Section AA-1 AA-2 Technical Specifications Power Feed 10M Dual Wire Feeder Available Cable Assemblies Electrode RoutingAA-3 Electrode Sense Polarity Output CABLES, Connections and LimitationsAA-4 Table AA.1 Extremely high welding outputs may occur AA-5 Work Voltage Sensing AA-6Electrode Voltage Sensing Gear Ratio Change Procedure Changing the Wire Drive Gear RatioGear Ratio Recognition Table AA.3 Procedure to Install Drive Rolls and Wire Guides Wire Feed Drive Roll KitsAA-8 Gmaw Shielding GAS General GUN Connection GuidelinesAA-9 Cylinder may explode if damaged Wire Feed Shut Down Circuit Optional Wire Spindle PlacementWater Connections for Water Cooled Guns AA-10 AA-11 Examples of Connecting AN Arclink Power Wave SystemHard Automation System AA-12 Section BB Section BB-1 Definitions of Welding Modes Common Welding Abbreviations Safety PrecautionsBB-2 Wear eye, ear and body protec- tion Recommended Processes and Equipment Product DescriptionRecommended Equipment BB-3 Wire Feed Speed WFS / AMP Meter Operational FeaturesControls BB-5 Dual Procedure / Dual Head Select W/MEMORY PanelOutput Controls BB-6 BB-7 Unsecured Parameters BB-8 BB-9 BB-10 Left MSP4 button to exit 104 Hardware Version BB-11 BB-12 OPERATIONBB-12 Dual Procedure / Head Select Dual Head / Dual Procedure with MemoryBB-13 Memory Step / 4 Step Operation BB-15 Cold FEED/GAS Purge SwitchWFS vs. Work point Waveform HOT Inch Wire Reel Loading READI-REELS, Spools or CoilsFoot Amptrol Electrode Polarity Figure BB.5 Figure BB.4 Drive Roll Pressure Setting Feeding Electrode and Brake AdjustmentProcedure for Setting Angle of Feedplate GAS Guard Regulator Setting BB-19 Making a Weld Status Light States Component Status LightsBB-20 BB-21 Status Light States CON’T Memory Value High Limit Low Limit BB-22 Section CC-1 Table CC.1 Drive Roll and Guide Tube Kits ACCESSORIESCC-2 Field Installed K162-1 Wire Spindle AdapterOPTIONS/ACCESSORIES K1504-1 Coil Adapter K363P READI-REEL Adapter K435 Coil AdapterK438 READI-REEL Adapter Guns and GUN Adapters Conduit Adapters Dual Procedure Switch Options K1556-1 Light Duty Caster KIT K659-1 GAS Guard RegulatorK1555-2 Insulated Lift Hook K1546-1 Conduit Adapter Section DD Section DD-1 Maintenance Figure DD.1 Major Component Location DD-3 DD-4 Section E Theory of Operation Power Feed 10M Feed Head Control BOX User Interface Power Feed 10M SINGLE/DUAL Section F-1 Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & Repair PC Board Troubleshooting Procedures 455M power source is func Make certain the Power WaveTioning correctly Function Problems Function Problems Troubleshooting & Repair Troubleshooting & Repair Powerfeed 10M Welding Problems Err 003 Err 001Err 004 Err 005 Err 100 Err 020Err 200 Err 201 Err 212 Err 211Three dashes Problems Possible Problems Possible Recommended Power Feed 10M SINGLE/DUAL Test Description Voltage Sense PC Board Test Test Procedure Tach Feedback Test Troubleshooting and Repair Black RED Test ProcedureBlue J84 Drive Motor Test Figure F.3 Drive Motor Test Procedure Gear BOX and Drive Motor Removal and Replacement Figure F.4- Gear BOX and Drive Motor Removal and Replacement To Remove the Wire Drive Assembly from the Gear BOX Replacement ProceduresTo Remove the Drive Motor From the Gear BOX Retest a machine SET UP Section G-1 Electrical Diagrams Section Power Feed 10M SINGLE/DUAL Wiring Diagram Power Feed 10M Dual Wiring Diagram Entire Machine Code 11086, 11216 G4439 Wiring Diagram Power Feed 10M Single Feed Head Wiring Diagram Entire Machine Code 11193 G4439-1 Wiring Diagram Power Feed 10M Single Boom Feeder G4320 Schematic Entire Machine Code 10962 G4320-1 Schematic Entire Machine Code 11086, 11216 G4440 Return to Section Section TOC Schematic Entire Machine Code 11193 G5002 G5003 Schematic Entire Machine Code 11194 G5003 Schematic Wire Drive PC Board G3883 Sheet Schematic Wire Drive PC Board ALL Codes G3883 Sheet PC Board Assembly Wire Drive ALL Codes G3884-2F0 Schematic Voltage Sense PC Board ALL Codes S24779-3C0 PC Board Assembly Voltage Sense ALL Codes M19540-3 Schematic MSP4 Display PC Board ALL Codes G4456 PC Board Assembly MSP4 Display ALL Codes L12116-1B0 Schematic Display PC Board ALL Codes L11756 PC Board Assembly Display ALL Codes L11757-1 Schematic Spool GUN PC Board ALL Codes L12008-3E0 PC Board Assembly Spool GUN ALL Codes M20159-3 Schematic Filter PC Board ALL Codes M19487-2B0 PC Board Assembly Filter ALL Codes M19488-2