Lincoln-electric INVERTEC SVM199-A User Manual

SVM199-AJuly, 2010Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind. However,your

INSTALLATIONA-2 A-2INVERTEC® V450-PROTECHNICAL SPECIFICATIONS - INVERTEC® V450-PROOUTPUTRECOMMENDED INPUT WIRE AND FUSE SIZES FOR MAXIMUM RATED OUTPUT

POWER BOARDCONTROL BOARDCOMPARTMENT COVERPOWER BOARDCONTROL BOARDCOMPARTMENT COVERFIGURE F.16 – BOARD LOCTIONCONTROL OR POWER BOARDREM

CONTROL OR POWER BOARDREMOVAL AND REPLACEMENT PROCEDURE (continued)INSTALLATION PROCEDURE1. Install either the power or control board to thePC board

NOTESF-62 F-62INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

FIGURE F.17 – INPUT RECTIFIER LOCATIONINPUT RECTIFIERREMOVAL AND REPLACEMENT PROCEDURE (continued)REMOVAL PROCEDURE1. Remove input power to the V450-

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

INPUTCONTACTOR601X4INPUTCONTACTOR601X4FIGURE F.18 – INPUT CONTACTOR LOCATIONINPUT CONTACTOR REMOVAL AND REPLACEMENT PROCEDURE (continued)REMOVAL PROCE

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

TRANSFORMER #23/8” MOUNTING SCREWS (2)P51P52P50TRANSFORMER #23/8” MOUNTING SCREWS (2)P51P52P50FIGURE F.19 – TRANSFORMER AND PLUG LOCATIONSAUXILIAR

AUXILIARY TRANSFORMER NO. 2 REMOVAL ANDREPLACEMENT PROCEDURE (continued)REPLACEMENT PROCEDURE1. Carefully place the transformer into the V450-P

INSTALLATIONA-3 A-3INVERTEC® V450-PROLIFTINGLift the machine by the lift bail only. The lift bail isdesigned to lift the power source only.

NOTESF-70 F-70INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

FIGURE F.20 – DOOR REMOVALAUXILIARY TRANSFORMER NO. 1 REMOVAL ANDREPLACEMENT PROCEDURE (continued)REMOVAL PROCEDURE1. Remove input power to the V450-

AUXILIARY TRANSFORMER NO. 1 REMOVAL ANDREPLACEMENT PROCEDURE (continued)8. Cut any necessary cable ties and clear theleads.9. Using the 3

NOTESF-74 F-74INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

Front Tilts ForwardCONTROL BOARD3/8” MOUNTING BOLTS (4)DISPLAY BOARD MODE BOARDFront Tilts ForwardCONTROL BOARD3/8” MOUNTING BOLTS (4)DI

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

CURRENTTRANSDUCERHEAVY LEADBOLTED CONNECTION(BEHIND CASE FRONT)3/8” SCREWS AT BOTTOM OFCASE FRONT (3) CURRENTTRANSDUCERHEAVY LEADBOLTED CONNECT

CURRENT TRANSDUCER REMOVAL AND REPLACEMENT PROCEDURE (continued)9. Using the Phillips head screwdriver, removethe screws and lock washers that hold t

INSTALLATIONA-4 A-4INVERTEC® V450-PROINPUT FUSE AND SUPPLY WIRE CONSIDERATIONSRefer to the Technical Specifications at the beginningof this Installat

NOTESF-80 F-80INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

SWITCH BOARDSWITCH BOARDFIGURE F.23 – SWITCH BOARD LOCATIONSWITCH BOARD AND FILTER CAPACITOR REMOVAL AND REPLACEMENT (continued)REMOVAL PROCEDURENOTE:

SWITCH BOARD AND FILTER CAPACITOR REMOVAL AND REPLACEMENT (continued)REPLACEMENT PROCEDURE1. If the filter capacitor is to be replaced, careful-ly s

RETEST AFTER REPAIRTROUBLESHOOTING AND REPAIRF-84 F-84INVERTEC® V450-PRORetest a machine:If it is rejected under test for any reason that requires you

TABLE OF CONTENTS - DIAGRAM SECTIONG-1 G-1INVERTEC® V450-PRO Electrical Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ELECTRICAL DIAGRAMSG-2INVERTEC® V450-PROWIRING DIAGRAM - COMPLETE MACHINE - (G4923)TMINVERTEC V450-PRO WIRING DIAGRAMTO J9202WORK202ATO R1TO TP6223221

ELECTRICAL DIAGRAMSG-3INVERTEC® V450-PROSCHEMATIC - COMPLETE MACHINE - (G4875 SHEET 1)G4875INVERTEC V450-PROMACHINE SCHEMATICNONEG4421DO NOTSCALETHIS

ELECTRICAL DIAGRAMSG-4INVERTEC® V450-PROSCHEMATIC - COMPLETE MACHINE - (G4875 SHEET 2)G4875INVERTEC V450-PROMACHINE SCHEMATICNONEG4421DO NOTSCALETHIS

ELECTRICAL DIAGRAMSG-5INVERTEC® V450-PROSCHEMATIC - COMPLETE MACHINE - (G4875 SHEET 3)G4875INVERTEC V450-PROMACHINE SCHEMATICNONEG4421DO NOTSCALETHIS

INSTALLATIONA-5 A-5INVERTEC® V450-PROCABLE INDUCTANCE, AND ITS EFFECTSON PULSE WELDINGFor Pulse Welding processes, cable inductance willcause t

ELECTRICAL DIAGRAMSG-6INVERTEC® V450-PROSCHEMATIC - DIGITAL CONTROL PC BOARD - (G3789 SHEET 1)G3789-2FOINVERTER WELDERSCHEMATIC DIGITAL CONTROLNONEG37

ELECTRICAL DIAGRAMSG-7INVERTEC® V450-PROSCHEMATIC - DIGITAL CONTROL PC BOARD - (G3789 SHEET 2)G3789-2FOINVERTER WELDERSCHEMATIC DIGITAL CONTROLNONEG37

ELECTRICAL DIAGRAMSG-8INVERTEC® V450-PROSCHEMATIC - DIGITAL CONTROL PC BOARD - (G3789 SHEET 3)G3789-2FOINVERTER WELDERSCHEMATIC DIGITAL CONTROLNONEG37

ELECTRICAL DIAGRAMSG-9INVERTEC® V450-PROSCHEMATIC - DIGITAL CONTROL PC BOARD - (G3789 SHEET 4)G3789-2FOINVERTER WELDERSCHEMATIC DIGITAL CONTROLNONEG37

ELECTRICAL DIAGRAMSG-10INVERTEC® V450-PROSCHEMATIC - DIGITAL POWER SUPPLY PC BOARD - (G5631)G-10NOTE: This diagram is for reference only. It may not b

ELECTRICAL DIAGRAMSG-11INVERTEC® V450-PROSCHEMATIC - INPUT PC BOARD - (M19528)G-11NOTE: This diagram is for reference only. It may not be accurate for

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

ELECTRICAL DIAGRAMSG-13INVERTEC® V450-PROSCHEMATIC - SWITCH PC BOARD - (L11385)L11385-2D1PW-455SCHEMATIC,SWITCH PCBNONE-DO NOT SCALETHISDRAWINGEQUIPME

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

ELECTRICAL DIAGRAMSG-15INVERTEC® V450-PROSCHEMATIC - SPI / REMOTE CONTROL PC BOARD - (G4017)G-15NOTE: This diagram is for reference only. It may not b

INSTALLATIONA-6 A-6INVERTEC® V450-PROCONNECTIONS OF WIRE FEEDERS TO V450-PRO LF-72, 74 Connection Instructions• Turn the Invertec® power switch "

ELECTRICAL DIAGRAMSG-16INVERTEC® V450-PROSCHEMATIC - DISPLAY PC BOARD - (L11108)G-16NOTE: This diagram is for reference only. It may not be accurate f

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

ELECTRICAL DIAGRAMSG-18INVERTEC® V450-PROSCHEMATIC - LED POTENTIOMETER PC BOARD - (S25258)G-18NOTE: This diagram is for reference only. It may not be

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

ELECTRICAL DIAGRAMSG-20INVERTEC® V450-PROSCHEMATIC - LED SELECT PC BOARD - (S25259)G-20NOTE: This diagram is for reference only. It may not be accurat

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

INSTALLATIONA-7 A-7INVERTEC® V450-PROLN-742 Connection Instructions• Turn the Invertec® power switch "off"• A K1819-1 Input cable assembly

NOTESA-8 A-8INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Ma

TABLE OF CONTENTS - OPERATION SECTIONB-1 B-1INVERTEC® V450-PROOperation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATIONB-2 B-2INVERTEC® V450-PROSAFETY PRECAUTIONSELECTRIC SHOCK can kill.• Do not touch electrically live parts orelectrode with skin or wet clothi

OPERATIONB-3 B-3INVERTEC® V450-PRO6.THERMAL• This status light indicates when the power source has beendriven into thermal overload. If the output te

SAFETYi iINVERTEC® V450-PROFOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work

OPERATIONB-4 B-4INVERTEC® V450-PRO• The Arc Control regulates the Arc Force to adjust theshort circuit current. The minimum setting (-10) willproduc

OPERATIONB-5 B-5INVERTEC® V450-PRO8A. WELD MODE SELECT-FORMACHINES EQUIPPED WITH OPTIONALADVANCED PROCESS PANEL(See Figure B.2 UPPER AND MIDDLE SECTIO

OPERATIONB-6 B-6INVERTEC® V450-PROMEMORY SELECTIONS: (See Figure B.2 for location of controls)The MEMORY button and SELECT knob are usedtogether

OPERATIONB-7 B-7INVERTEC® V450-PROWELD MODE DETAILS:Mode Range Comments Stick Soft 55 - 570 amps The stick soft mode is the best selection for general

OPERATIONB-8 B-8INVERTEC® V450-PROPULSE PROGRAMS:MODE IPM*.030 Steel 75 - 800.035 Steel 50 - 800.045 Steel 60 - 800.052 Steel 60 - 7501/16 Steel 60 -

OPERATIONB-9 B-9INVERTEC® V450-PROLN-10/DH-10 Wire Feeder Compatibility Note:The LN-10 and DH-10 feeders can be used to pulse weld andin the power mod

OPERATIONB-10 B-10INVERTEC® V450-PROTypes of Remote WELD TERMINAL Control• The Invertec® V450-Pro’s Weld Terminals can becontrolled from each

TABLE OF CONTENTS - ACCESSORIES SECTIONC-1 C-1INVERTEC® V450-PROAccessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ACCESSORIESC-2 C-2INVERTEC® V450-PROOPTIONS / ACCESSORIESK857 Remote Output ControlK814 Arc Start SwitchK812 Hand Operated AmptrolK870 Foot Operated A

TABLE OF CONTENTS - MAINTENANCE SECTIOND-1 D-1INVERTEC® V450-PROMaintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SAFETYii iiINVERTEC® V450-PROFUMES AND GASEScan be dangerous.5.a. Welding may produce fumes and gaseshazardous to health. Avoid breathing thesefu

MAINTENANCED-2 D-2INVERTEC® V450-PROVISUAL INSPECTIONClean interior of machine with a low-pressure airstream. Make a thorough inspection of all compo

MAINTENANCED-3 D-3INVERTEC® V450-PRO1. Case Front Assembly2. Control Box & Horizontal Plate3. Base, Lift Bale & Fan Assembly4. Input Assem

NOTESD-4 D-4INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Ma

TABLE OF CONTENTS-THEORY OF OPERATION SECTIONE-1 E-1INVERTEC® V450-PROTheory of Operation ...

THEORY OF OPERATIONE-2 E-2INVERTEC® V450-PROPOWER  SOURCE GENERAL DESCRIPTIONThe INVERTEC® V450-PRO is an inverter basedwelding power source

THEORY OF OPERATIONSWITCH BOARDS AND MAINTRANSFORMERThere are two switch boards in the INVERTEC® V450-PRO, each containing an input capacitor and in

THEORY OF OPERATIONE-4 E-4INVERTEC® V450-PROCONTROL BOARD & MODESELECTIONThe control board performs the primary interfacingfunctions to est

THEORY OF OPERATIONE-5 E-5INVERTEC® V450-PROOUTPUT RECTIFIER AND CHOKEThe output rectifier receives the AC output from themain transformer

THEORY OF OPERATIONE-6 E-6INVERTEC® V450-PROTHERMAL PROTECTIONTwo normally closed (NC) thermostats protect themachine from excessive operati

THEORY OF OPERATIONE-7 E-7INVERTEC® V450-PROINSULATED GATE BIPOLARTRANSISTOR (IGBT) OPERATIONAn IGBT is a type of transistor. IGBT are semiconduc-

SAFETYiii iiiINVERTEC® V450-PROFOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working o

THEORY OF OPERATIONE-8 E-8INVERTEC® V450-PROPULSE WIDTH MODULATIONThe term Pulse Width Modulation is used to describehow much time is devoted to con

TABLE OF CONTENTS - TROUBLESHOOTING AND REPAIRF-1 F-1INVERTEC® V450-PROTroubleshooting and Repair . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING AND REPAIRF-2 F-2INVERTEC® V450-PROThis Troubleshooting Guide is provided tohelp you locate and repair possible machinemalfunctio

TROUBLESHOOTING AND REPAIRF-3 F-3INVERTEC® V450-PROSometimes machine failures appear to be due to PCboard failures. These problems can som

OUTPUT PROBLEMSObserve Safety Guidelines detailed in the beginning of this manual.PROBLEMS(SYMPTOMS)POSSIBLE AREAS OFMISADJUSTMENT(S)RECOMMENDEDCOURSE

OUTPUT PROBLEMSObserve Safety Guidelines detailed in the beginning of this manual.PROBLEMS(SYMPTOMS)POSSIBLE AREAS OFMISADJUSTMENT(S)RECOMMENDEDCOURSE

OUTPUT PROBLEMSObserve Safety Guidelines detailed in the beginning of this manual.PROBLEMS(SYMPTOMS)POSSIBLE AREAS OFMISADJUSTMENT(S)RECOMMENDEDCOURSE

OUTPUT PROBLEMSObserve Safety Guidelines detailed in the beginning of this manual.PROBLEMS(SYMPTOMS)POSSIBLE AREAS OFMISADJUSTMENT(S)RECOMMENDEDCOURSE

Observe Safety Guidelines detailed in the beginning of this manual.PROBLEMS(SYMPTOMS)POSSIBLE AREAS OFMISADJUSTMENT(S)RECOMMENDEDCOURSE OF ACTIONIf fo

Observe Safety Guidelines detailed in the beginning of this manual.PROBLEMS(SYMPTOMS)POSSIBLE AREAS OFMISADJUSTMENT(S)RECOMMENDEDCOURSE OF ACTIONIf fo

SAFETYiv ivINVERTEC® V450-PROPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûret

Observe Safety Guidelines detailed in the beginning of this manual.If for any reason you do not understand the test procedures or are unable to perfor

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 Dep

NOTESF-12 F-12INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

CAPACITORTERMINALSRESISTORCAPACITORTERMINALSRESISTORCAPACITORTERMINALSRESISTORCAPACITORTERMINALSRESISTORFIGURE F.1 – CAPACITOR TERMINAL LOCATIONINPUT

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

VOLTAGE AND CURRENT CALIBRATION PROCEDURE (continued)CALIBRATION CHECKThe calibration of the V450-PRO can be checkedusing a resistive load bank with t

VOLTAGE AND CURRENT CALIBRATION PROCEDURE (continued)CURRENT CALIBRATION PROCEDURENOTE: If the Mode SELECT/MEMORY button isnot pressed within 30 s

NOTESF-18 F-18INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

SAFETYINVERTEC® V450-PROElectromagnetic Compatibility (EMC)ConformanceProducts displaying the CE mark are in conformity with European Community Counci

CAPACITORTERMINALSRESISTORCAPACITORTERMINALSRESISTORCAPACITORTERMINALSRESISTORCAPACITORTERMINALSRESISTORFIGURE F.2 - CAPACITOR TERMINAL LOCATIONSMAIN

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

FIGURE F.3 - INPUT RECTIFIERINPUT RECTIFIER TEST PROCEDURE (continued)PROCEDURE1. Remove input power to the INVERTEC® V450-PRO.2. Using the 3/8” nut

INPUT RECTIFIER TEST PROCEDURE (continued)6. Use the analog ohmmeter to perform the testsdetailed in Table F.1.7. If the input rectifier does no

NOTESF-24 F-24INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

INPUT CONTACTOR TEST PROCEDURE (continued)PROCEDURE1. Remove input power to the INVERTEC® V450-PRO.2. Using the 3/8” nut driver, remove the i

INPUT CONTACTOR TEST PROCEDURE (continued)5. With the input contactor activated, check thecontinuity across the three sets of contacts.(Z

NOTESF-28 F-28INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

SAFETYINVERTEC® V450-PROElectromagnetic Compatibility (EMC)The size of the surrounding area to be considered will depend on the structure of the build

INPUT BOARD TEST PROCEDURE (continued)TROUBLESHOOTING AND REPAIRF-30 F-30INVERTEC® V450-PROINPUTCONTACTOR601X4J60J616 7 8 9 10 J611 2

INPUT BOARD TEST PROCEDURE (continued)TROUBLESHOOTING AND REPAIRF-31 F-31INVERTEC® V450-PRO6. Remove input power to the INVERTEC® V-450 PRO. If any

INPUT BOARD TEST PROCEDURE (continued)TROUBLESHOOTING AND REPAIRF-32 F-32INVERTEC® V450-PROTABLE F.2 – INPUT BOARD VOLTAGE CHECKSTEST POINTSPLUG J61

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

TRANSFORMER #23/8” MOUNTING SCREWS (2)P51P52P50TRANSFORMER #23/8” MOUNTING SCREWS (2)P51P52P50FIGURE F.7 – PLUGS P52 AND P54AUXILIARY TRANSFORMER

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

TRANSFORMER #13/8” MOUNTING SCREWS (2)PLUG P59TRANSFORMER #13/8” MOUNTING SCREWS (2)PLUG P59FIGURE F.8 – TEST LEAD LOCATIONSAUXILIARY TRANSFORM

TABLE F.3AUXILIARY TRANSFORMER NO. 1 TEST (continued)TROUBLESHOOTING AND REPAIRF-37 F-37INVERTEC® V450-PRONORMAL EXPECTEDLEAD IDENTIFICATION VOL

NOTESF-38 F-38INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

- MASTER TABLE OF CONTENTS FOR ALL SECTIONS -I IINVERTEC® V450-PROPageSafety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

J42J41J434 5 63 47 8 9 10 11 12J42J41J431 2 31 21 2 3 4 5 6 J42J41J434 5 63 47 8 9 10 11 12

POWER BOARD TEST (continued)TROUBLESHOOTING AND REPAIRF-41 F-41INVERTEC® V450-PROPOWER BOARD CONNECTOR PLUG J41POWER BOARD CONNECTOR PLUG J42POWER BOA

NOTESF-42 F-42INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

CURRENT TRANSDUCER TEST (continued)TROUBLESHOOTING AND REPAIRF-44 F-44INVERTEC® V450-PROJ8216211212213P91CURRENTTRANSDUCER1234CONTROL BOARDJ85 6

CURRENT TRANSDUCER TEST (continued)TROUBLESHOOTING AND REPAIRF-45 F-45INVERTEC® V450-PRO5. Turn on the V-450 PRO. Check for the correctDC supply vol

NOTESF-46 F-46INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

THERMOSTAT TEST – THERMAL PROTECTION (continued)TROUBLESHOOTING AND REPAIRF-48 F-48INVERTEC® V450-PROFIGURE F.11 – THERMOSTAT CIRCUITNOTE: Never r

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

TABLE OF CONTENTS - INSTALLATION SECTIONA-1 A-1INVERTEC® V450-PROInstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FAN CONTROL AND MOTOR TEST (continued)TROUBLESHOOTING AND REPAIRF-50 F-50INVERTEC® V450-PROTEST PROCEDURE1. Remove the input power to the V450-P

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

OUTPUTOUTPUTMPSMPSAAOLTSOLTSVVREMOTEREMOTELOCALLOCALCONTROLCONTROLSELECTSELECTSOFTCRIPHI-FREQTIGTOUCHSTARTTIGPOSITIVE (+)OUTPUTTERMINALNEGATIVE (-)OUT

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

CHOKE/IRONCHOKE/IRONFIGURE F.14 – CHOKE ASSEMBLYCHOKE TEST PROCEDURE (continued)PROCEDURE1. Using an Ohmmeter, make sure that thechoke winding

TROUBLESHOOTING AND REPAIRF-55 F-55INVERTEC® V450-PROCONTROL BOARD CHECK1. Check the LED’s on the Control Board. Comparethe pattern to Page 3 of th

NOTESF-56 F-56INVERTEC® V450-PROReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result

J33J33FIGURE F.15 - Plug J33SPI CABLE RESISTANCE AND VOLTAGE TEST PROCEDURE (continued)TEST PROCEDURE1. Remove the input power to the V450-PRO.2. Usin

Service and repair should only be performed by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result