Lincoln Electric SVM185-A service manual See Setting DIP Switches Wire Drive

Page 78

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F-4

TROUBLESHOOTING AND REPAIR

F-4

Observe Safety Guidelines detailed in the beginning of this manual.

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

FUNCTION PROBLEMS

 

 

The ammeter on the POWER

1. Make sure the DIP switches are

1. Perform the Current Transducer

FEED® 25M does not function

configured correctly for the weld-

Test in the Power Source

 

properly even though the STATUS

ing process and polarity used.

Service Manual.

 

LEDs are steady green.

 

See Setting DIP Switches in

 

 

 

 

the Wire Drive in the

2. The control board, located in the

 

 

Installation section of this manu-

power source, may be faulty.

 

 

 

al.

 

 

 

 

2. Check the following connections

 

 

 

 

on the POWER WAVE®

 

 

 

 

machine. Check for loose or

 

 

 

 

faulty connections between plug

 

 

 

 

J90 at the current transducer and

 

 

 

 

plug J21 on the Power Source

 

 

 

 

control board.

 

 

 

 

 

The display and/or indicator LEDs

1. Check for loose or faulty connec-

1. Check suspected potentiometer

do not change when their corre-

tions between the encoder panel

and/or switches for correct resis-

sponding switches and or knobs

and the Control Box control

tances and operation.

 

are activated or turned.

 

board.

2. Refer to machine schematics for

 

 

 

 

 

2. Check for loose or faulty connec-

lead numbers and voltages.

 

 

 

tions between the appropriate

 

 

 

 

switches and the Control Box

3. The Control Box control board

 

 

 

control board.

may be faulty.

 

 

 

 

 

The mode and/or settings change

1. Contact “powerwave software.com”

 

 

while welding under normal condi-

for the latest updated software.

 

 

tions.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

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

POWER FEED® 25M

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Contents Power Feed 25M Safety Power Feed 25MElectric Shock can kill Fumes and GasesFor Electrically IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcElectromagnetic Compatibility EMC Safety Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications Power Feed 25M K2536-1Safety Precautions High Frequency Protection LocationElectric Shock can Kill Digital Control CABLE, K1543-XX Power Source Wire FeederWiring FunctionWeld Cable Size Coaxial Weld CableTable A.1 Gtaw Electrode Polarity Shielding GAS ConnectionGmaw Build UP of Shielding GAS MAYChanging the Drive Motor Gear Ratio OFFWire Drive Configuration Procedure to Install Drive Rolls and Wire GuidesRemote Sense Lead Specifications Loading Spools of WireTypical System Configurations Table of Contents Operation Section Safety Precautions OperationGeneral Description Definition of Welding TermsDuty Cycle Recommended Power Sources Recommended ProcessesEquipment Limitations Pin connector Connector for a remote control11. ON/OFF switch Left Display windowTable B.1 ON-OFF SwitchStatus LED DefinitionMaking a Weld with Waveform Technology Power Sources7OPERATIONB-7 Smaw Stick WeldingSmaw Stick Welding Display Process Mode8OPERATIONB-8 MSP4 OperationNON-SYNERGIC Gmaw and Fcaw WeldingThree non-synergic welding modes are available MSP4 Operation Non-Synergic Gmaw and Fcaw Welding Display Modes 5Gmaw MIG Synergic Welding Figure B.5220 26.4 Steel and Stainless Synergic GMAW-P Pulsed MIG Welding ARC ControlStainless Steel Gmaw Migwelding 220 Migand GMAW-PP Pulse on Pulse 16OPERATIONB-16Aluminum Synergic GMAW-P Pulsed Pulse-on-Pulse WeldingAluminum GMAW-P and GMAW-PP Aluminum Pulse WeldingAluminum GMAW-P and GMAW-PP Welding Figure B.14Aluminum Pulse and Pulse-On-Pulse Synergic Weld Display GMAW-STT Welding Figure B.15109 GMAW-STTTailout Figure B.16Gtaw TIG Welding Touch StartTIG OFF 10M All Models SET-UP Features MenuPower Feed Feed 10AQuick 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 forHigh Limit Low LimitParameter Name Internal Controls Item D EscriptionHeater Switch Cold FEED/GAS Purge SwitchLight Switch Step Trigger OperationStrike 34OPERATIONPreflow WeldFigure B.20 Upslope Figure B.2137OPERATIONB-37 PostflowStart Figure B.23Description Rear ControlsScfh Operation on Lincnet Power SourcesFlow Meter Liter/MinTable of Contents Accessories Section Wire Type Electrode Size KP KIT AccessoriesFactory Installed Equipment Drive Roll Kits UsedK2593-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 innerPython Water Cooled Guns Figure C.1Power Feed 25M Table of Contents Maintenance Section Periodic Maintenance MaintenanceRoutine Maintenance Calibration Specification1TABLE of CONTENTS-THEORY of Operation Section E-1 Theory of Operation Figure E.2 General Physical DescriptionPower Feed 25M Figure E.3 GAS Solenoid ControlsControl BOX User Interface Component Status Lights TroubleshootingComponent is causing the problem. By using the status Status Light StatesStatus Light States CON’T 1TABLE of Contents Troubleshooting and Repair F-1 2TROUBLESHOOTING and REPAIRF-2 HOW to USE Troubleshooting GuideTroubleshooting and Repair PC Board Troubleshooting ProceduresSee Setting DIP Switches Wire Drive Troubleshooting and Repair Output Problems Power Make certain the Power Wave Power source is functioningSetting Dip Switches in the Wire Troubleshooting and Repair ArcLink System Error Codes Fault Code Description Possible AdjustmentsPower Feed 25M Voltage Sense PC Board Test Test DescriptionMaterials Needed Procedure Figure F.1 Plug J1 and J2 LocationsTach 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 MotorTo Remove the Wire Drive Assembly from the Gear BOX Replacement ProceduresTo Remove the Drive Motor from the Gear BOX SET UP Retest After RepairTable of Contents Diagram Section Electrical Diagrams Wiring Diagram Complete Machine Code 11313 G5585Schematic Complete Machine Code 11313 G5638 G5638Schematic 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
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