Lincoln Electric SVM185-A specification

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G-6	ELECTRICAL DIAGRAMS	G-6
SCHEMATIC - MSP4 OPTIONAL DISPLAY PC BOARD (G4456)

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

POWER FEED® 25M

Image 102

Lincoln Electric SVM185-A service manual Schematic MSP4 Optional Display PC Board G4456

Contents

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