Instruction/ maintenance manual of the product INVERTEC SVM199-A Lincoln Electric
Go to page of 145
SVM199-A July , 2010 Safety Depends on Y ou Lincoln arc welding and cutting equipment is designed and built with safety in mind. However , your overall safety can be increased by proper installation .
SAFETY i i INVERTEC® V450-PRO FOR ENGINE powered equipment. 1.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b.Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors.
SAFETY ii ii INVERTEC® V450-PRO FUMES AND GASES can be dangerous. 5.a. Welding may produce fumes and gases hazardous to health. Avoid breathing these fumes and gases.When welding, keep your head out of the fume. Use enough ventilation and/or exhaust at the arc to keep fumes and gases away from the breathing zone.
SAFETY iii iii INVERTEC® V450-PRO FOR ELECTRICALL Y powered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer ’s recommendations.
SAFETY iv iv INVERTEC® V450-PRO PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L’Arc 1.
SAFETY INVERTEC® V450-PRO Electromagnetic Compatibility (EMC) Conformance Products displaying the CE mark are in conformity with European Community Council Directive of 15 Dec 2004 on the approximation of the laws of the Member States relating to electromagnetic compatibility, 2004/108/EC.
SAFETY INVERTEC® V450-PRO Electromagnetic Compatibility (EMC) The size of the surrounding area to be considered will depend on the structure of the building and other activities that are taking place. The surrounding area may extend beyond the boundaries of the premises.
- MASTER T ABLE OF CONTENTS FOR ALL SECTIONS - I I INVERTEC® V450-PRO Page Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i-iv Installation .
T ABLE OF CONTENTS - INST ALLA TION SECTION A-1 A-1 INVERTEC® V450-PRO Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-1 T echnical Specifications .
INST ALLA TION A-2 A-2 INVERTEC® V450-PRO TECHNICAL SPECIFICA TIONS - INVERTEC® V450-PRO OUTPUT RECOMMENDED INPUT WIRE AND FUSE SIZES FOR MAXIMUM RA TED OUTPUT PHYSICAL DIMENSIONS TEMPERA TURE RANGES INPUT A T RA TED OUTPUT - THREE PHASE ONL Y INPUT VOL TS- FREQUENCY 208/230/460/575V - 60HZ.
INST ALLA TION A-3 A-3 INVERTEC® V450-PRO LIFTING Lift the machine by the lift bail only . The lift bail is designed to lift the power source only . Do not attempt to lift the V450-PRO with accessories attached to it. ST ACKING V450-PRO machines can be stacked to a maximum of 3 high.
INST ALLA TION A-4 A-4 INVERTEC® V450-PRO INPUT FUSE AND SUPPL Y WIRE CONSIDERA TIONS Refer to the T echnical Specifications at the beginning of this Installation section for recommended fuse and wire sizes.
INST ALLA TION A-5 A-5 INVERTEC® V450-PRO CABLE INDUCT ANCE, AND ITS EFFECTS ON PULSE WELDING For Pulse Welding processes, cable inductance will cause the welding performance to degrade. For the total welding loop length less than 50 ft.( 15.24m), tradi- tional welding cables may be used without any ef fects on welding performance.
INST ALLA TION A-6 A-6 INVERTEC® V450-PRO CONNECTIONS OF WIRE FEEDERS TO V450-PRO LF-72, 74 Connection Instructions • T urn the Invertec® power switch "off". • Connect the K1797-[ ] control cable from the LF-72, 74 to the 14-pin MS-style connector .
INST ALLA TION A-7 A-7 INVERTEC® V450-PRO LN-742 Connection Instructions • T urn the Invertec® power switch "off" • A K1819-1 Input cable assembly is required to con- nect the LN-742 to the Invertec®. • Connect the control cable from the LN-742 to the 14-pin MS-style connector .
NOTES A-8 A-8 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Maste.
T ABLE OF CONTENTS - OPERA TION SECTION B-1 B-1 INVERTEC® V450-PRO Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-1 Safety Precautions .
OPERA TION B-2 B-2 INVERTEC® V450-PRO SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet clothing.
OPERA TION B-3 B-3 INVERTEC® V450-PRO 6. THERMAL • This status light indicates when the power source has been driven into thermal overload. If the output terminals were "ON", the "ON" light will blink indicating that the output will be turned back on once the unit cools down to an accept- able temperature level.
OPERA TION B-4 B-4 INVERTEC® V450-PRO • The Arc Control regulates the Arc Force to adjust the short circuit current. The minimum setting (-10) will produce a "soft" arc and will produce minimal spat- ter . The maximum setting (+10) will produce a "crisp" arc and will minimize electrode sticking.
OPERA TION B-5 B-5 INVERTEC® V450-PRO 8A. WELD MODE SELECT -FOR MACHINES EQUIPPED WITH OPTIONAL ADV ANCED PROCESS P ANEL (See Figure B.2 UPPER AND MIDDLE SECTION) See (WELD MODE DET AILS) in this section. T o program welding modes, the SELECT knob is used to Scroll through all welding modes.
OPERA TION B-6 B-6 INVERTEC® V450-PRO MEMOR Y SELECTIONS: (See Figure B.2 for location of controls) The MEMORY button and SELECT knob are used together to select a welding process and store it in memory (M1 thru M8). The SELECT knob scrolls through the welding process modes and memory M1 thru M8.
OPERA TION B-7 B-7 INVERTEC® V450-PRO WELD MODE DET AILS: Mode Range Comments Stick Soft 55 - 570 amps The stick soft mode is the best selection for general stick applications. Arc Control = Arc Force Hot Start = Initial hot start current (min = start a match set amps, Max.
OPERA TION B-8 B-8 INVERTEC® V450-PRO PULSE PROGRAMS: MODE IPM* .030 Steel 75 - 800 .035 Steel 50 - 800 .045 Steel 60 - 800 .052 Steel 60 - 750 1/16 Steel 60 - 600 .045 Metal Core 60 - 700 .052 Metal Core 60 - 500 1/16 Metal Core 60 - 500 .030 Stainless Ar Blends 100 - 800 .
OPERA TION B-9 B-9 INVERTEC® V450-PRO LN-10/DH-10 Wire Feeder Compatibility Note: The LN-10 and DH-10 feeders can be used to pulse weld and in the power mode with the panel. The displays on the LN-10 & DH-10 do not show the wire feed speed or power .
OPERA TION B-10 B-10 INVERTEC® V450-PRO T ypes of Remote WELD TERMINAL Control • The Invertec® V450-Pro’s Weld T erminals can be controlled from each of the MS-style connectors. The circuit has a nominal OCV of 15VDC and requires a dry contact closure (less than 100 ohms) to activate the output of the Invertec® V450-Pro.
T ABLE OF CONTENTS - ACCESSORIES SECTION C-1 C-1 INVERTEC® V450-PRO Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-1 Options/Accessories .
ACCESSORIES C-2 C-2 INVERTEC® V450-PRO OPTIONS / ACCESSORIES K857 Remote Output Control K814 Arc Start Switch K812 Hand Operated Amptrol K870 Foot Operated Amptrol NOTE: All of the above remote contr.
T ABLE OF CONTENTS - MAINTENANCE SECTION D-1 D-1 INVERTEC® V450-PRO Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D-1 Safety Precautions .
MAINTENANCE D-2 D-2 INVERTEC® V450-PRO VISUAL INSPECTION Clean interior of machine with a low-pressure air stream. Make a thorough inspection of all compo- nents. Look for signs of overheating, broken leads or other obvious problems. Many problems can be uncovered with a good visual inspection.
MAINTENANCE D-3 D-3 INVERTEC® V450-PRO 1. Case Front Assembly 2. Control Box & Horizontal Plate 3. Base, Lift Bale & Fan Assembly 4. Input Assembly 5. T ransformer & Output Assembly 6. Switch Board Heatsink Assembly 7. Covers Assembly Figure D.
NOTES D-4 D-4 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Maste.
T ABLE OF CONTENTS-THEOR Y OF OPERA TION SECTION E-1 E-1 INVERTEC® V450-PRO Theory of Operation ................................................................................................................................. Section E Block Logic Diagram .
THEOR Y OF OPERA TION E-2 E-2 INVERTEC® V450-PRO POWER SOURCE GENERAL DESCRIPTION The INVERTEC® V450-PRO is an inverter based welding power source that is designed to be a multi- process welding system. It is a high performance, dig- itally controlled inverter capable of complex, high- speed waveform control.
THEOR Y OF OPERA TION SWITCH BOARDS AND MAIN TRANSFORMER There are two switch boards in the INVERTEC® V450- PRO, each containing an input capacitor and insulated gate bipolar transistor (IGBT) switching circuitry .
THEOR Y OF OPERA TION E-4 E-4 INVERTEC® V450-PRO CONTROL BOARD & MODE SELECTION The control board performs the primary interfacing functions to establish and maintain output control of the INVERTEC® V450-PRO.
THEOR Y OF OPERA TION E-5 E-5 INVERTEC® V450-PRO OUTPUT RECTIFIER AND CHOKE The output rectifier receives the AC output from the main transformer secondary and rectifies it to a DC voltage level.
THEOR Y OF OPERA TION E-6 E-6 INVERTEC® V450-PRO THERMAL PROTECTION T wo normally closed (NC) thermostats protect the machine from excessive operating temperatures.
THEOR Y OF OPERA TION E-7 E-7 INVERTEC® V450-PRO INSULA TED GA TE BIPOLAR TRANSIST OR (IGBT) OPERA TION An IGBT is a type of transistor . IGBT are semiconduc- tors well suited for high frequency switching and high current applications. Example A in Figure E.
THEOR Y OF OPERA TION E-8 E-8 INVERTEC® V450-PRO PULSE WIDTH MODULA TION The term Pulse Width Modulation is used to describe how much time is devoted to conduction in the positive and negative portions of the cycle. Changing the pulse width is known as modulation.
T ABLE OF CONTENTS - TROUBLESHOOTING AND REP AIR F-1 F-1 INVERTEC® V450-PRO T roubleshooting and Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .F-1 How to Use T roubleshooting Guide .
TROUBLESHOOTING AND REP AIR F-2 F-2 INVERTEC® V450-PRO This T roubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below . Step 1. LOCA TE PROBLEM (SYMPTOM). Look under the column labeled “PROBLEM (SYMPTOMS)”.
TROUBLESHOOTING AND REP AIR F-3 F-3 INVERTEC® V450-PRO Sometimes machine failures appear to be due to PC board failures. These problems can sometimes be traced to poor electrical connections. T o avoid prob- lems when troubleshooting and replacing PC boards, please use the following procedure: 1.
OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not und.
OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not und.
OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not und.
OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not und.
Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test.
Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test.
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 perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
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.
NOTES F-12 F-12 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
CAPACITOR TERMINALS RESISTOR CAPACITOR TERMINALS RESISTOR CA PA CI TO R TE RM IN AL S RESISTOR CA PA CI TO R TE RM IN AL S RESISTOR FIGURE F .1 – CAP ACITOR TERMINAL LOCA TION INPUT FIL TER CAP ACIT OR DISCHARGE PROCEDURE (continued) PROCEDURE 1. Remove input power to the INVERTEC® V450- PRO.
Service and repair should only be performed by 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 .
VOL T AGE AND CURRENT CALIBRA TION PROCEDURE (continued) CALIBRA TION CHECK The calibration of the V450-PRO can be checked using a resistive load bank with the V450-PRO in mode 200.
VOL T AGE AND CURRENT CALIBRA TION PROCEDURE (continued) CURRENT CALIBRA TION PROCEDURE NOTE: If the Mode SELECT/MEMOR Y button is not pressed within 30 seconds after adjusting the Output Control knob the machine will leave the calibration mode and use the previous calibration settings.
NOTES F-18 F-18 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
CAPACITOR TERMINALS RESISTOR CAPACITOR TERMINALS RESISTOR CA PA CI TO R TE RM IN AL S RESISTOR CA PA CI TO R TE RM IN AL S RESISTOR FIGURE F .2 - CAP ACITOR TERMINAL LOCA TIONS MAIN SWITCH BOARD TEST PROCEDURE (continued) TEST PROCEDURE 1. Remove input power to the INVERTEC® V450-PRO.
Service and repair should only be performed by 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 .
FIGURE F .3 - INPUT RECTIFIER INPUT RECTIFIER TEST PROCEDURE (continued) PROCEDURE 1. Remove input power to the INVERTEC® V450-PRO. 2. Using the 3/8” nut driver , remove the case top. 3. Perform the Capacitor Discharge Procedure. 4. Locate the Input Rectifier and lead locations.
INPUT RECTIFIER TEST PROCEDURE (continued) 6. Use the analog ohmmeter to perform the tests detailed in T able F .1. 7. If the input rectifier does not meet the accept- able readings outlined in the table, the compo- nent may be faulty .
NOTES F-24 F-24 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
INPUT CONT ACTOR TEST PROCEDURE (continued) PROCEDURE 1. Remove input power to the INVERTEC® V450-PRO. 2. Using the 3/8” nut driver , remove the input access panel and case top. 3. Locate, mark, and remove the two leads (601, X4) that are connected to the input contactor coil.
INPUT CONT ACTOR TEST PROCEDURE (continued) 5. With the input contactor activated, check the continuity across the three sets of contacts. (Zero ohms or very low resistance is normal.) See Figure F .5. If the resistance is high, the input contactor is faulty .
NOTES F-28 F-28 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
INPUT BOARD TEST PROCEDURE (continued) TROUBLESHOOTING AND REP AIR F-30 F-30 INVERTEC® V450-PRO INPUT CONTACTOR 601 X4 J 60 J61 6 7 8 9 10 J61 1 2 3 4 5 6 7 8 1 2 3 4 5 J60 INPUT CONT ACTOR 601 X4 J 60 J61 6 7 8 9 10 J61 1 2 3 4 5 6 7 8 1 2 3 4 5 J60 FIGURE F .
INPUT BOARD TEST PROCEDURE (continued) TROUBLESHOOTING AND REP AIR F-31 F-31 INVERTEC® V450-PRO 6. Remove input power to the INVERTEC® V - 450 PRO. If any of the voltages are low or not present, perform the Input Contactor T est . If that checks out, the Input Board may by faulty .
INPUT BOARD TEST PROCEDURE (continued) TROUBLESHOOTING AND REP AIR F-32 F-32 INVERTEC® V450-PRO T ABLE F .2 – INPUT BOARD VOL T AGE CHECKS TEST POINTS PLUG J61 PIN 8 (H1D) TO PLUG J61 PIN 2 (612) P.
Service and repair should only be performed by 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 .
TRANSFORMER #2 3/8” MOUNTING SCREWS (2) P51 P52 P50 TRANSFORMER #2 3/8” MOUNTING SCREWS (2) P51 P52 P50 FIGURE F .7 – PLUGS P52 AND P54 AUXILIAR Y TRANSFORMER NO. 2 TEST (continued) TROUBLESHOOTING AND REP AIR F-34 F-34 INVERTEC® V450-PRO PROCEDURE 1.
Service and repair should only be performed by 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 .
TRANSFORMER #1 3 /8” MOUNTING SCREWS (2) PLUG P59 TRANSFORMER #1 3 /8” MOUNTING SCREWS (2) PLUG P59 FIGURE F .8 – TEST LEAD LOCA TIONS AUXILIAR Y TRANSFORMER NO. 1 TEST (continued) PROCEDURE 1. Remove the main input supply power to the INVERTEC® V450-PRO.
T ABLE F .3 AUXILIAR Y TRANSFORMER NO. 1 TEST (continued) TROUBLESHOOTING AND REP AIR F-37 F-37 INVERTEC® V450-PRO NORMAL EXPECTED LEAD IDENTIFICA TION VOL T AGE X8 to 41B 28 V AC X 3 t o X 5 1 15 V .
NOTES F-38 F-38 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
J42 J41 J43 4 5 6 3 4 7 8 9 10 11 12 J42 J41 J43 1 2 3 1 2 1 2 3 4 5 6 J42 J41 J43 4 5 6 3 4 7 8 9 10 1 1 12 J42 J41 J43 1 2 3 1 2 1 2 3 4 5 6 POWER BOARD TEST (continued) TROUBLESHOOTING AND REP AIR F-40 F-40 INVERTEC® V450-PRO PROCEDURE 1. Remove input power to the INVERTEC® V -450 PRO.
POWER BOARD TEST (continued) TROUBLESHOOTING AND REP AIR F-41 F-41 INVERTEC® V450-PRO P O W E R B O A R D C O N N E C T O R P L U G J 4 1 P O W E R B O A R D C O N N E C T O R P L U G J 4 2 P O W E R.
NOTES F-42 F-42 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
CURRENT TRANSDUCER TEST (continued) TROUBLESHOOTING AND REP AIR F-44 F-44 INVERTEC® V450-PRO J8 216 211 212 213 P91 CURRENT TRANSDUCER 1234 CONTROL BOARD J8 5 6 7 8 1 2 3 4 J8 216 21 1 212 213 P91 CURRENT TRANSDUCER 1234 CONTROL BO ARD J8 5 6 7 8 1 2 3 4 FIGURE F .
CURRENT TRANSDUCER TEST (continued) TROUBLESHOOTING AND REP AIR F-45 F-45 INVERTEC® V450-PRO 5. Turn on the V -450 PRO. Check for the correct DC supply voltage to the current transducer at plug J8. See Figure F .10. A. Pin 2 (lead 212+) to pin 6 (lead 216-) should read +15 VDC.
NOTES F-46 F-46 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
THERMOST A T TEST – THERMAL PROTECTION (continued) TROUBLESHOOTING AND REP AIR F-48 F-48 INVERTEC® V450-PRO FIGURE F .1 1 – THERMOST A T CIRCUIT NOTE: Never run the V -450 PRO under load when any of the thermostats are bypassed. This is only a means of isolating the inoperative or open thermostat.
Service and repair should only be performed by 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 .
F AN CONTROL AND MOTOR TEST (continued) TROUBLESHOOTING AND REP AIR F-50 F-50 INVERTEC® V450-PRO TEST PROCEDURE 1. Remove the input power to the V450-PRO machine. 2. Using the 3/8” nut driver , remove the case top and control box cover . 3. Perform the Capacitor Dischar ge Pr ocedure.
Service and repair should only be performed by 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 .
OUTPUT OUTPUT MPS MPS A A OLTS O LTS V V REMOTE REMOTE LOCAL LOCAL CONTROL CONTROL SELECT SELECT SOFT CRIP HI-FREQ TIG TOUCH START TIG POSITIVE (+) OUTPUT TERMINAL NEGATIVE (-) OUTPUT TERMINAL OUTPUT .
Service and repair should only be performed by 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 .
CHOKE/IRON CHOKE/IRON FIGURE F .14 – CHOKE ASSEMBL Y CHOKE TEST PROCEDURE (continued) PROCEDURE 1 . Using an Ohmmeter , make sure that the choke windings are not grounded to the lamination (> 1megohm). TROUBLESHOOTING AND REP AIR F-54 F-54 INVERTEC® V450-PRO No windings or terminal connections should look burned or over-heated.
TROUBLESHOOTING AND REP AIR F-55 F-55 INVERTEC® V450-PRO CONTROL BOARD CHECK 1. Check the LED’s on the Control Board. Compare the pattern to Page 3 of the Machine Schematic . Normal operation will show 8 Green LED’s ON and both Red LED’s OFF . Green LED’s 1 through 8 indicate the pres- ence of the various DC supplies to the Board.
NOTES F-56 F-56 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
J33 J3 3 FIGURE F .15 - Plug J33 SPI CABLE RESIST ANCE AND VOL T AGE TEST PROCEDURE (continued) TEST PROCEDURE 1. Remove the input power to the V450-PRO. 2. Using the #2 Phillips screwdriver , remove the case front panel. 5. Locate and remove plug J33 from the control board.
Service and repair should only be performed by 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 .
POWER BOARD CONTROL BOARD COMPARTMENT COVER POWER BOARD CONTROL BOARD COMP ARTMENT COVER FIGURE F .16 – BOARD LOCTION CONTROL OR POWER BOARD REMOV AL AND REPLACEMENT PROCEDURE (continued) REMOV AL PROCEDURE 1. Remove input power to the V450-PRO. 2. Remove the case top, sides and front.
CONTROL OR POWER BOARD REMOV AL AND REPLACEMENT PROCEDURE (continued) INST ALLA TION PROCEDURE 1. Install either the power or control board to the PC board assembly and secure it in place.
NOTES F-62 F-62 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
FIGURE F .17 – INPUT RECTIFIER LOCA TION INPUT RECTIFIER REMOV AL AND REPLACEMENT PROCEDURE (continued) REMOV AL PROCEDURE 1. Remove input power to the V450-PRO. 2. Using the 3/8” nut driver , remove the case top, input access panel and sides. 3. Perform the Capacitor Discharge Procedure.
Service and repair should only be performed by 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 .
INPUT CONTACTOR 601 X4 INPUT CONT ACTOR 601 X4 FIGURE F .18 – INPUT CONT ACTOR LOCA TION INPUT CONT ACTOR REMOV AL AND REPLACEMENT PROCEDURE (continued) REMOV AL PROCEDURE 1. Remove input power to the V450-PRO. 2. Using the 3/8” nut driver , remove the case top, and input access panel.
Service and repair should only be performed by 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 .
TRANSFORMER #2 3/8” MOUNTING SCREWS (2) P51 P52 P50 TRANSFORMER #2 3/8” MOUNTING SCREWS (2) P51 P52 P50 FIGURE F .19 – TRANSFORMER AND PLUG LOCA TIONS AUXILIAR Y TRANSFORMER NO. 2 REMOV AL AND REPLACEMENT PROCEDURE (continued) REMOV AL PROCEDURE 1.
AUXILIAR Y TRANSFORMER NO. 2 REMOV AL AND REPLACEMENT PROCEDURE (continued) REPLACEMENT PROCEDURE 1. Carefully place the transformer into the V450- PRO. 2. Install the two mounting screws that hold the transformer to the machine base using the 3/8” nut driver .
NOTES F-70 F-70 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
FIGURE F .20 – DOOR REMOV AL AUXILIAR Y TRANSFORMER NO. 1 REMOV AL AND REPLACEMENT PROCEDURE (continued) REMOV AL PROCEDURE 1. Remove input power to the V450-PRO. 2. Using the 3/8” nut driver , remove the case top, and input access panel. 3. Perform the Capacitor Discharge Procedure.
AUXILIAR Y TRANSFORMER NO. 1 REMOV AL AND REPLACEMENT PROCEDURE (continued) 8. Cut any necessary cable ties and clear the leads. 9. Using the 3/8” nut driver , remove the two mounting screws that hold the transformer to the fan baffle and the machine base.
NOTES F-74 F-74 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
F r o n t Ti lt s F o r wa rd CONTROL BOARD 3/8” MOUNTING BOLTS (4) DISPLAY BOARD MODE BOARD F r o n t T i l t s F o r w a r d CONTROL BOARD 3/8” MOUNTING BOL TS (4) DISPLA Y BOARD MODE BOARD FIGURE F .21 – BOARD LOCA TIONS CONTROL, REMOTE, MODE OR DISPLA Y PC BOARD REMOV AL AND REPLACEMENT (continued) REMOV AL PROCEDURE 1.
Service and repair should only be performed by 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 .
CURRENT TRANSDUCER HEAVY LEAD BOLTED CONNECTION (BEHIND CASE FRONT) 3/8” SCREWS AT BOTTOM OF CASE FRONT (3) CURRENT TRANSDUCER HEA VY LEAD BOL TED CONNECTION (BEHIND CASE FRONT) 3/8” SCREWS A T BOTTOM OF CASE FRONT (3) FIGURE F .
CURRENT TRANSDUCER REMOV AL AND REPLACEMENT PROCEDURE (continued) 9. Using the Phillips head screwdriver , remove the screws and lock washers that hold the transducer to the front panel. 10. Remove the Current Transducer . 1 1. Remove the standoffs from the transducer and save them for reassembly with the new transducer .
NOTES F-80 F-80 INVERTEC® V450-PRO Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Mas.
Service and repair should only be performed by 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 .
SWITCH BOARD SWITCH BOARD FIGURE F .23 – SWITCH BOARD LOCA TION SWITCH BOARD AND FIL TER CAP ACITOR REMOV AL AND REPLACEMENT (continued) REMOV AL PROCEDURE NOTE: Observe all static electricity precautions. Lead and plug references below use a slash (/) to indicate machine right side/left side wire number differences.
SWITCH BOARD AND FIL TER CAP ACITOR REMOV AL AND REPLACEMENT (continued) REPLACEMENT PROCEDURE 1. If the filter capacitor is to be replaced, careful- ly slide the new capacitor into the mounting bracket. Position the capacitor so the correct polarity terminal is lined up with the correct hole on the switch board.
RETEST AFTER REP AIR TROUBLESHOOTING AND REP AIR F-84 F-84 INVERTEC® V450-PRO Retest a machine: If it is rejected under test for any reason that requires you to remove any part which could affect the machine’s electrical characteristics. OR If you repair or replace any electrical components.
T ABLE OF CONTENTS - DIAGRAM SECTION G-1 G-1 INVERTEC® V450-PRO Electrical Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .G-1 Wiring Diagram - Complete Machine - (G4923) .
ELECTRICAL DIAGRAMS G-2 INVERTEC® V450-PRO WIRING DIAGRAM - COMPLETE MACHINE - (G4923) TM INVERTEC V450-PRO W IRING DIAGRAM TO J 9 202 W ORK 202A TO R 1 TO TP6 223 221 206A 3R 3W 238 RE CT T HE RM 22.
ELECTRICAL DIAGRAMS G-3 INVERTEC® V450-PRO SCHEMA TIC - COMPLETE MACHINE - (G4875 SHEET 1) G4875 INVE RTE C V450-P RO MAC HI N E SC HEM ATIC NONE G4421 DO NO T SC AL E T HIS DR A WING EQ UIP M ENT TY.
ELECTRICAL DIAGRAMS G-4 INVERTEC® V450-PRO SCHEMA TIC - COMPLETE MACHINE - (G4875 SHEET 2) G4875 INVE RTE C V450-P RO MAC HI N E SC HEM ATIC NONE G4421 DO NO T SC AL E T HIS DR A WING EQ UIP M ENT TY.
ELECTRICAL DIAGRAMS G-5 INVERTEC® V450-PRO SCHEMA TIC - COMPLETE MACHINE - (G4875 SHEET 3) G4875 INVE RTE C V450-P RO MAC HI N E SC HEM ATIC NONE G4421 DO NO T SC AL E T HIS DR A WING EQ UIP M ENT TY.
ELECTRICAL DIAGRAMS G-6 INVERTEC® V450-PRO SCHEMA TIC - DIGIT AL CONTROL PC BOARD - (G3789 SHEET 1) G378 9- 2 FO INVERTER WELDER SCHEMATIC DIGITAL CONTROL NO NE G3789-1 E2 FEI . UNLESS OTHERWISE SPECIFIEDTOLERANCE M ANUF ACTURING TO L ER ANC E P ER E 2056 O N 2 P LAC E DE CIM AL S I S ± .
ELECTRICAL DIAGRAMS G-7 INVERTEC® V450-PRO SCHEMA TIC - DIGIT AL CONTROL PC BOARD - (G3789 SHEET 2) G378 9- 2 FO INVERTER WELDER SCHEMATIC DIGITAL CONTROL NO NE G3789-1 E2 FEI . UNLESS OTHERWISE SPECIFIEDTOLERANCE M ANUF ACTURING TO L ER ANC E P ER E 2056 O N 2 P LAC E DE CIM AL S I S ± .
ELECTRICAL DIAGRAMS G-8 INVERTEC® V450-PRO SCHEMA TIC - DIGIT AL CONTROL PC BOARD - (G3789 SHEET 3) G378 9- 2 FO INVERTER WELDER SCHEMATIC DIGITAL CONTROL NO NE G3789-1 E2 FEI . UNLESS OTHERWISE SPECIFIEDTOLERANCE M ANUF ACTURING TO L ER ANC E P ER E 2056 O N 2 P LAC E DE CIM AL S I S ± .
ELECTRICAL DIAGRAMS G-9 INVERTEC® V450-PRO SCHEMA TIC - DIGIT AL CONTROL PC BOARD - (G3789 SHEET 4) G378 9- 2 FO INVERTER WELDER SCHEMATIC DIGITAL CONTROL NO NE G3789-1 E2 FEI . UNLESS OTHERWISE SPECIFIEDTOLERANCE M ANUF ACTURING TO L ER ANC E P ER E 2056 O N 2 P LAC E DE CIM AL S I S ± .
ELECTRICAL DIAGRAMS G-10 INVERTEC® V450-PRO SCHEMA TIC - DIGIT AL POWER SUPPL Y PC BOARD - (G5631) G-10 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
ELECTRICAL DIAGRAMS G-11 INVERTEC® V450-PRO SCHEMA TIC - INPUT PC BOARD - (M19528) G-11 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric.
ELECTRICAL DIAGRAMS G-13 INVERTEC® V450-PRO SCHEMA TIC - SWITCH PC BOARD - (L11385) L11385-2D1 PW- 455 SCHEM ATI C , SW IT CH P CB NO NE - DO N OT S CA LE TH IS D RAW ING EQU IP ME NT TYPE : SU BJ EC.
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric.
ELECTRICAL DIAGRAMS G-15 INVERTEC® V450-PRO SCHEMA TIC - SPI / REMOTE CONTROL PC BOARD - (G4017) G-15 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
ELECTRICAL DIAGRAMS G-16 INVERTEC® V450-PRO SCHEMA TIC - DISPLA Y PC BOARD - (L1 1108) G-16 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric.
ELECTRICAL DIAGRAMS G-18 INVERTEC® V450-PRO SCHEMA TIC - LED POTENTIOMETER PC BOARD - (S25258) G-18 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric.
ELECTRICAL DIAGRAMS G-20 INVERTEC® V450-PRO SCHEMA TIC - LED SELECT PC BOARD - (S25259) G-20 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric.
An important point after buying a device Lincoln Electric INVERTEC SVM199-A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lincoln Electric INVERTEC SVM199-A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lincoln Electric INVERTEC SVM199-A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lincoln Electric INVERTEC SVM199-A you will learn all the available features of the product, as well as information on its operation. The information that you get Lincoln Electric INVERTEC SVM199-A will certainly help you make a decision on the purchase.
If you already are a holder of Lincoln Electric INVERTEC SVM199-A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lincoln Electric INVERTEC SVM199-A.
However, one of the most important roles played by the user manual is to help in solving problems with Lincoln Electric INVERTEC SVM199-A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lincoln Electric INVERTEC SVM199-A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
