Schematic SPI Display PC Board L11756 | Lincoln Electric SVM185-A

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G-7	ELECTRICAL DIAGRAMS	G-7
SCHEMATIC - SPI DISPLAY PC BOARD - (L11756)

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.

POWER FEED® 25M

Image 103

Lincoln Electric SVM185-A service manual Schematic SPI Display PC Board L11756

Contents

Power Feed 25M Power Feed 25M Safety Fumes and Gases Electric Shock can kill Iii For Electrically Sûreté Pour Soudage a L’Arc Précautions DE Sûreté Electromagnetic Compatibility EMC Safety Master Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Power Feed 25M K2536-1 Installation Location Safety Precautions High Frequency ProtectionElectric Shock can Kill Function Power Source Wire FeederWiring Digital Control CABLE, K1543-XX Coaxial Weld Cable Weld Cable SizeTable A.1 Build UP of Shielding GAS MAY Electrode Polarity Shielding GAS ConnectionGmaw Gtaw OFF Changing the Drive Motor Gear Ratio Procedure to Install Drive Rolls and Wire Guides Wire Drive Configuration Loading Spools of Wire Remote Sense Lead Specifications Typical System Configurations Table of Contents Operation Section Operation Safety Precautions Definition of Welding Terms General DescriptionDuty Cycle Recommended Processes Recommended Power SourcesEquipment Limitations Left Display window Connector for a remote control11. ON/OFF switch Pin connector Definition ON-OFF SwitchStatus LED Table B.1 Smaw Stick Welding Technology Power Sources7OPERATIONB-7 Making a Weld with Waveform MSP4 Operation Process Mode8OPERATIONB-8 Smaw Stick Welding Display Welding NON-SYNERGIC Gmaw and FcawThree non-synergic welding modes are available Non-Synergic Gmaw and Fcaw Welding Display Modes 5 MSP4 Operation Figure B.5 Gmaw MIG Synergic Welding 220 26.4 ARC Control Steel and Stainless Synergic GMAW-P Pulsed MIG Welding Stainless Steel Gmaw Migwelding 220 Pulse-on-Pulse Welding 16OPERATIONB-16Aluminum Synergic GMAW-P Pulsed Migand GMAW-PP Pulse on Pulse Aluminum Pulse Welding Aluminum GMAW-P and GMAW-PP Figure B.14 Aluminum GMAW-P and GMAW-PP Welding Aluminum Pulse and Pulse-On-Pulse Synergic Weld Display Figure B.15 GMAW-STT Welding GMAW-STT 109 Figure B.16 Tailout Touch Start Gtaw TIG WeldingTIG OFF Feed 10A SET-UP Features MenuPower Feed 10M All Models Quick Preflow time will not be accessible from the MSP4 Operation PROCEDURE/MEMORY Panel Opera User Memories Tion Limits may be set for LimitsParameter Range Units MSP4 Display Low Limit High LimitParameter Name Item D Escription Internal Controls Step Trigger Operation Cold FEED/GAS Purge SwitchLight Switch Heater Switch Weld 34OPERATIONPreflow Strike Figure B.20 Figure B.21 Upslope Postflow 37OPERATIONB-37 Figure B.23 Start Rear Controls Description Liter/Min Operation on Lincnet Power SourcesFlow Meter Scfh Table of Contents Accessories Section Drive Roll Kits Used AccessoriesFactory Installed Equipment Wire Type Electrode Size KP KIT K2593-xx #1 Co-Axial Power Cable Accessories K1500-5 Gun Receiver Bushing compatible Water cooling cover on the case front of the inner InstallationCooling KIT Use a 5/16 nut driver to remove the screws holding Figure C.1 Python Water Cooled Guns Power Feed 25M Table of Contents Maintenance Section Calibration Specification MaintenanceRoutine Maintenance Periodic Maintenance 1TABLE of CONTENTS-THEORY of Operation Section E-1 Figure E.2 General Physical Description Theory of Operation Figure E.3 GAS Solenoid Controls Power Feed 25M Control BOX User Interface Status Light States TroubleshootingComponent is causing the problem. By using the status Component Status Lights Status Light States CON’T 1TABLE of Contents Troubleshooting and Repair F-1 HOW to USE Troubleshooting Guide 2TROUBLESHOOTING and REPAIRF-2 PC Board Troubleshooting Procedures Troubleshooting and Repair See Setting DIP Switches Wire Drive Troubleshooting and Repair Output Problems Power Power source is functioning Make certain the Power Wave Setting Dip Switches in the Wire Troubleshooting and Repair Fault Code Description Possible Adjustments ArcLink System Error Codes Power Feed 25M Test Description Voltage Sense PC Board TestMaterials Needed Figure F.1 Plug J1 and J2 Locations Procedure Tach Feedback Test Blue RED Drive Motor Test #550 #551 Gear BOX and Drive Motor Removal and Replacement Procedure Gear BOX Removal and Drive Motor Figure F.4 Gear BOX and Drive Motor Removal and Replacement Replacement Procedures To Remove the Wire Drive Assembly from the Gear BOXTo Remove the Drive Motor from the Gear BOX Retest After Repair SET UP Table of Contents Diagram Section Wiring Diagram Complete Machine Code 11313 G5585 Electrical Diagrams G5638 Schematic Complete Machine Code 11313 G5638 Schematic 42 VAC & Arclink Feeder PC Board #1 G3883-2 Schematic 42 VAC & Arclink Feeder PC Board #2 G3883-2 Schematic MSP4 Optional Display PC Board G4456 Schematic SPI Display PC Board L11756 PC Board Assembly SPI Display L11757-1 Schematic Voltage Sense Select PC Board S24779 PC Board Assembly Voltage Sense Select M19540 Schematic Spool GUN PC Board L12008 PC Board Assembly Spool GUN M20159