Lincoln Electric INVERTEC CV350-R Service Manual
  1. Manuals
  2. Brands
  3. Lincoln Electric Manuals
  4. Welding System
  5. INVERTEC CV350-R
  6. Service manual
Lincoln Electric INVERTEC CV350-R Service Manual

Lincoln Electric INVERTEC CV350-R Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SVM 7001
January, 2009
Rev. 1
INVERTEC™CV350-R
For use with machine Code 76035
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation and thoughtful
operation on you part. DO NOT
INSTALL, OPERATE OR REPAIR
THIS
EQUIPMENT
WITHOUT
READING THIS MANUAL AND
THE
SAFETY
PRECAUTIONS
CONTAINED
THROUGHOUT.
And, most importantly, think before
you act and be careful.
Copyright © 2008 The Shanghai Lincoln Electric Company
• World's Leader in Welding and Cutting•
THE SHANGHAI LINCOLN ELECTRIC COMPANY
No. 195, Lane 5008, Hu Tai Rd. Baoshan, Shanghai, PRC 201907
www.lincolnelectric.com.cn

Advertisement

Table of Contents
loading

Related Manuals for Lincoln Electric INVERTEC CV350-R

Summary of Contents for Lincoln Electric INVERTEC CV350-R

  • Page 1 THROUGHOUT. And, most importantly, think before you act and be careful. Copyright © 2008 The Shanghai Lincoln Electric Company • World’s Leader in Welding and Cutting• THE SHANGHAI LINCOLN ELECTRIC COMPANY No. 195, Lane 5008, Hu Tai Rd. Baoshan, Shanghai, PRC 201907...

  • Page 2: Safety

    SAFETY WARNING ARC WELDING CAN BE HAZADOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDREN AWAY. PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS. ELECTRIC AND ELECTRIC SHOCK can MAGNETIC FIELDS...
  • Page 3 SAFETY FUMES AND GASES WELDING SPARKS can be dangerous. can cause fire or explosion. 6.a Remove fire hazards from the welding area. If 4.a Welding may produce fumes and gases this is not possible, cover them to prevent the hazardous to health. Avoid breathing these welding sparks from starting a fire.
  • Page 4 SAFETY PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 7. Quand on ne soude pas, poser la pince à une endroit isolé de manuel aussi bien que les précautions de sûreté...

  • Page 5: Table Of Contents

    MASTER TABLE OF CONTENTS Content Page Safety …………………………………..………………………………………... i-iii Installation ……………………...……………………………………… Section A Operation …………………………...………………………………… . Section B Accessories ……………………..…………………………………….. Section C Maintenance …………………..………………………………………. Section D Theory of Operation ……………..…………………………………… Section E Troubleshooting and Repair …………………..……………………. Section F Electrical Diagram ……………………….…………………………… Section G Main Parts List ………………………..………………………………..
  • Page 6 TABLE OF CONTENTS - INSTALLATION Installation………………………..……………………………………………………..A-1 Technical Specifications…………………….……………….……………………..A-2 Safety Precaustions…………….…………………….……………………………..A-3 Select Suitable Location……………….…………….……………………………..A-3 Input Power And Grounding Connection………………..………………………A-3 Required Equipment…...………………………………….………………………..A-3 Output, Wire Feeder And Communication Connections.………….……………A-4 Wire Feeder Connection……………………………………………...……………A-4 Robotic Communication Cable Connection.……….……...……………………..A-4 Gun And Cable Installation……………….…………..……………………………A-4 INVERTEC CV350-R...

  • Page 7: Installation

    For any maintenance or repair operation it is recommended to contact the nearest technical service center or directly consult machine division of the Shanghai Lincoln Electric. Maintenance or repairs performed by unauthorized service center or personnel will void the manufacturer’s warrant.

  • Page 8: Safety Precaustions

    INSTALLATION SAFETY PRECAUTIONS INPUT POWER AND GROUNDING Read the entire installation section before starting CONNECTION installation. WARNING WARNING Only a qualified electrician should connect the ELECTRIC SHOCK can kill. input leads to the INVERTEC . Connections should • Only qualified personnel be made in accordance with the connection should...

  • Page 9: Output, Wire Feeder And Communication Connections

    INSTALLATION OUTPUT, WIRE FEEDER AND ROBOTIC COMMUNICATION CABLE COMMUNICATION CONNECTIONS CONNECTION (See Figure A. 2) • Turn the INVERTEC power switch “OFF”. Connect a work lead of sufficient size and length (Per • Connect the K60036-5 communication cable from Table A.1) between the Negative Output terminal on the power source and the work.
  • Page 10 TABLE OF CONTENTS - OPERATION Operation……………………………………………………………..…………………B-1 Safety Precautions…………………………………………………………………..B-2 General Description……………………………….…………………...……………B-2 Recommended Processes...……………………….………………………...…….B-2 Operational Features and Controls………….…………………………….………B-3 Making A Weld………………………………..…………………………….………B-4 INVERTEC CV350-R...

  • Page 11: Operation

    OPERATION SAFETY PRECAUTIONS RECOMMENDED PROCESSES Read this entire section operating instructions before operating the machine. RECOMMENDED PROCESSES The INVERTEC CV350-R is recommended for multiple GMAW welding procedures for a variety of WARNING materials. The following non-synergic CV weld modes are included: ELECTRIC SHOCK can kill.

  • Page 12: Operational Features And Controls

    OPERATION OPERATIONAL FEATURES AND WARNING CONTROLS Do NOT operate the machine with this door open. FRONT Panel (PLEASE SEE FIGURE B.1) 6. POSITIVE AND NEGATIVE OUTPUT CONNECTIONS 1. ON/OFF POWER SWITCH The positive output connection is on the right when looking at the front of the machine.
  • Page 13 OPERATION REAR PANEL (PLEASE SEE FIGURE B.2) 9. GROUND CABLE CONNECTION Connect the input earth cable to the rear of the case. 10. INPUT BOX This insulation box is used to cover the input connections offering insulating protection to the operator.

  • Page 14: Making A Weld

    Also known as Inductance or Arc Control allows the beyond the control The Lincoln Electric operator to vary the arc characteristics from “soft” to Company affect the results obtained in applying “harsh” in all weld modes. It adjusts from -10.0 to +10.0 these programs.
  • Page 15 TABLE OF CONTENTS - ACCESSORIES Accessories………………………………………..……………………….…………..C-1 Factory Installed Options……………...…………………...………………………C-2 Field Installed Options………………………..…………..……..………………….C-2 INVERTEC CV350-R...

  • Page 16: Accessories

    ACCESSORIES OPTIONAL ACCESSORIES Factory Installed Options Instruction Manual Field Installed Options K60010-2-XXM Internal Cable, including welding cable, control cable and gas hose. “XX” is the length of Internal Cable. K60010 Internal Can be 2, 5, 10, 70mm 30, 40, 55m Cable K60027-2 Work Cable and Clamp...
  • Page 17 TABLE OF CONTENTS - MAINTENANCE Maintenance……………………………….……………………………………………D-1 Safety Precautions……………………………………...…………………………..D-2 Input Filter Capacitor Discharge Procedure………………..……………………D-2 Routine Maintenance……………………………………………………………….D-2 Thermal Protection………………………………………………………………….D-2 Major Component Locations………………………….……………………………D-3 INVERTEC CV350-R...

  • Page 18: Maintenance

    MAINTENANCE environment. Any noticeable damage should SAFETY PRECAUTIONS be reported immediately. Read the entire installation section before starting installation. • Check cables and connections integrity. WARNING Replace, if necessary. • Clean the power source inside by means of ELECTRIC SHOCK can kill.
  • Page 19 MAINTENANCE MAJOR COMPONENT LOCATIONS FIGURE D.1 MAJOR COMPONENT LOCATIONS Cover Fan and Rear Panel Main Transformer Input Rectifier Control Board Switch Board Front Panel Auxiliary Transformer Line Switch Base Frame with Choke INVERTEC CV350-R...
  • Page 20 TABLE OF CONTENTS - Theory of Operation Theory of Operation……………………...……………………………………………E-1 General Description……………………………………….…….…………………..E-2 Input Line Voltage and Auxiliary Transformer ………………..………………..E-2 Switch Board and Main Transformer………...………...……….…………………E-3 Control Board, Communications and Thermostats..………….….….…..………E-4 Output Rectifier and Choke………………………………………..……………….E-5 Insulated Gate Bipolar Transistor (IGBT) Operation…….……..……………….E-6 Pulse Width Modulation…………………………………………….………………E-7 INVERTEC CV350-R...

  • Page 21: Theory Of Operation

    Theory of Operation FIGURE E.1 – INPUT LINE VOLTAGE AND AUXILIARY TRANSFORMER GENERAL DESCRIPTION switch is switched ON, and will not stop until it is The INVERTEC CV350-R is an inverter based welding power source that offers constant voltage (CV) switched OFF.

  • Page 22: Switch Board And Main Transformer

    Theory of Operation FIGURE E.2 – SWITCH BOARD AND MAIN TRANSFORMER this section). SWITCH BOARD AND MAIN The Switch Board detects welding voltage and current TRANSFORMER feedback and uses them to regulate the welding output. At the same time, both actual arc voltage and current - Switch Board: The Switch Board controls the welding are sending back to the Control PC Board.

  • Page 23: Control Board, Communications And Thermostats

    Theory of Operation FIGURE E.3 – CONTROL BOARD, COMMUNICATIONS AND THERMOSTATS speed. The motor speed is fed back to the Control CONTROL BOARD, COMMUNICATIONS, Board by the Tach Interface Board. MOTOR DIRECTION AND THERMOSTATS Control Board drives the status LED. Control Board and Communications Motor Direction The Control Board is the interface to the robot controller...

  • Page 24: Output Rectifier And Choke

    Theory of Operation FIGURE E.4 – OUTPUT RECTIFIER AND CHOKE OUTPUT RECTIFIER AND CHOKE The output rectifier receives the AC output from the main transformer secondary and rectifies it to a DC voltage level. Since the output choke is in series with the positive leg of the output rectifier and also in series with the welding load, a filtered DC output is applied to the machine’s output terminals.

  • Page 25: Insulated Gate Bipolar Transistor (Igbt) Operation

    Theory of Operation FIGURE E.5 – IGBT OPERATION POSITIVE VOLTAGE APPLIED GATE GATE SOURCE SOURCE BODY REGION BODY REGION DRAIN DRIFT REGION DRAIN DRIFT REGION BUFFER LAYER BUFFER LAYER INJECTING LAYER INJECTING LAYER DRAIN DRAIN PASSIVE ACTIVE INSULATED GATE BIPOLAR TRANSISTOR (IGBT) OPERATION An IGBT is a type of transistor.

  • Page 26: Pulse Width Modulation

    Theory of Operation FIGURE E.6 – PULSE WIDTH MODULATION MINIIMUM OUTPUT 31 µsec 2 µsec 33 µsec MAXIMUM OUTPUT 31 µsec 33 µsec PULSE WIDTH MODULATION The term PULSE WIDTH MODULATION is used to MAXIMUM OUTPUT describe much time devoted conduction in the cycle.
  • Page 27 Troubleshooting and Repair Troubleshooting and Repair……………….…………...……………………………F-1 How to use troubleshooting guide……………….…….…………………………..F-2 PC board troubleshooting procedures………….…….…….…..…………………F-3 Troubleshooting guides……………………………...……..……………………….F-4 Case cover removal procedure………..………….………………………………..F-6 Input rectifier removal procedure…………….….……..………………………….F-9 Switch board removal procedure……………….……..………………………….F-11 Output rectifier removal procedure…………….….……..……………………….F-15 Control PC board removal procedure…………….…….…..……………………F-17 Tach interface board removal procedure……………..………………………..F-21 Input rectifier test……………….…………….….……..………………………….F-24 Main switch board test……………….…………….….……..…………………….F-27 Output rectifier test……………….…………..….……...………………………….F-30...

  • Page 28: Troubleshooting And Repair

    HOW TO USE TROUBLESHOOTING GUIDE WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 29: Pc Board Troubleshooting Procedures

    Troubleshooting and Repair PC BOARD TROUBLESHOOTING PROCEDURES dissipative. WARNING - Remove the PC Board from the static-shielding bag and place it directly into the equipment. ELECTRIC SHOCK Don’t set the PC Board on or near paper, plastic kill. or cloth which could have a static charge. If the •...
  • Page 30 CAUTION If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 86-21-6673-4530. INVERTEC CV350-R...
  • Page 31 CAUTION If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 86-21-6673-4530. INVERTEC CV350-R...
  • Page 32 CASE COVER REMOVAL PROCEDURE WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 33: Case Cover Removal Procedure

    Troubleshooting and Repair CASE COVER REMOVAL PROCEDURE (CONTINUED) FIGURE F.1 – TOP AND RIGHT PANEL SCREW LOCATIONS Self Tapping Screws Self Tapping Screws INVERTEC CV350-R...
  • Page 34 Troubleshooting and Repair CASE COVER REMOVAL PROCEDURE (CONTINUED) PROCEDURE Disconnect power to the INVERTEC CV350-R. Using a Philips head screwdriver removes the four Note: The type of two rear down side screws is self screws on top panel, and the six screws on both tapping.
  • Page 35 INPUT RECTIFIER REMOVAL PROCEDURE WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 36: Input Rectifier Removal Procedure

    Troubleshooting and Repair F-10 F-10 INPUT RECTIFIER REMOVAL PROCEDURE (CONTINUE) FIGURE F.3 – INPUT RECTIFIER LEADS LOCATION 5 (207) 4 (209) M5 Screw M5 Screw 3 (21) 2 (20) 1 (19) PROCEDURE Disconnect power to the INVERTEC CV350-R. main switch board faulty. Re-label them if necessary. Perform the Case Cover Removal Procedure.
  • Page 37 SWITCH BOARD REMOVAL PROCEDURE WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 38: Switch Board Removal Procedure

    Troubleshooting and Repair F-12 F-12 SWITCH BOARD REMOVAL PROCEDURE (CONTINUE) FIGURE F.4 – SWITCH BOARD SOCKETS J 11 J 10 J 12 J 13 PROCEDURE Disconnect power to the INVERTEC CV350-R. Perform the Case Cover Removal Procedure. WARNING Pull out harness plugs from socket J12, J13, J10 and J11 one by one.
  • Page 39 Troubleshooting and Repair F-13 F-13 INVERTEC CV350-R...
  • Page 40 Troubleshooting and Repair F-14 F-14 SWITCH BOARD REMOVAL PROCEDURE (CONTINUE) FIGURE F.5 – SWITCH BOARD TERMINALS 207 (-) 209 (+) Using a Philips Screwdriver to disconnect cable 207 and 209 from Switch Board as Then disconnect cable 201 and 204 from shown in Figure F.5.
  • Page 41 Troubleshooting and Repair F-14 F-14 SWITCH BOARD REMOVAL PROCEDURE (CONTINUE) FIGURE F.6 – SWITCH BOARD REMOVAL Self Tapping Screws Hex Head Screws Using a Philips Screwdriver to loosen the two out of the machine. screws on top of Switch Board Assembly as shown in Figure F.6.
  • Page 42 OUTPUT RECTIFIER REMOVAL PROCEDURE WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 43: Output Rectifier Removal Procedure

    Troubleshooting and Repair F-16 F-16 OUTPUT RECTIFIER REMOVAL PROCEDURE (CONTINUE) FIGURE F.7 – OUTPUT RECTIFIER LEADS LOCATION Input Lead M5 Screw X 4 Input lead PROCEDURE Disconnect power to the INVERTEC CV350-R. Loosen four hex head screws as show in Figure Perform the Case Cover Removal Procedure.
  • Page 44 CONTROL PC BOARD REMOVAL PROCEDURE WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 45: Control Pc Board Removal Procedure

    Troubleshooting and Repair F-18 F-18 CONTROL PC BOARD REMOVAL PROCEDURE (CONTINUE) FIGURE F.8 – CONTROL PC BOARD LOCATION Control PC Board Front PROCEDURE Disconnect power to the INVERTEC CV350-R. The control PC board is located behind front plate, and only can be accessed from internal. See Perform the Case Cover Removal Procedure.
  • Page 46 Troubleshooting and Repair F-19 F-19 CONTROL PC BOARD REMOVAL PROCEDURE (CONTINUE) FIGURE F.9 – CONTROL PC BOARD SOCKETS Disconnect harness plugs from socket J81, J82, backside of the board on the cross in turns. See J83, J84, J85 and J88 one by one, there is nothing Figure F.10.
  • Page 47 Troubleshooting and Repair F-20 F-20 CONTROL PC BOARD REMOVAL PROCEDURE (CONTINUE) FIGURE F.10 – CONTROL PC BOARD REMOVAL INVERTEC CV350-R...
  • Page 48 TACH INTERFACE BOARD REMOVAL PROCEDURE WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 49: Tach Interface Board Removal Procedure

    Troubleshooting and Repair F-22 F-22 TACH INTERFACE BOARD REMOVAL PROCEDURE (CONTINUE) FIGURE F.11 – TACH INTERFACE BOARD LOCATION Tach Interface Board Front PROCEDURE Disconnect power to the INVERTEC CV350-R. The Tach Interface Board is located behind front plate, and only can be accessed from internal. See Perform the Case Cover Removal Procedure.
  • Page 50 Troubleshooting and Repair F-23 F-23 TACH INTERFACE BOARD REMOVAL PROCEDURE (CONTINUE) FIGURE F.12 – TACH INTERFACE BOARD REMOVAL J 800 J 801 Pull out harness plugs from socket J800 and J801. Using Philips screwdriver to loosen three M5 hex Be care for not mix them up while reconnect the head screws from backside of the board.
  • Page 51 INPUT RECTIFIER TEST WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 52: Input Rectifier Test

    Troubleshooting and Repair F-25 F-25 INPUT RECTIFIER TEST (CONTINUE) FIGURE F.13 – TERMINAL SCHEMATIC 5 (207) 4 (209) 3 (21) 2 (20) 1 (19) + 4 (209) 380V 3~ AC 1 (19) 2 (20) 3 (21) - 5 (207) PROCEDURE Disconnect power to the INVERTEC CV350-R.
  • Page 53 Troubleshooting and Repair F-26 F-26 INPUT RECTIFIER TEST (CONTINUE) TABLE F.1 – INPUT RECTIFIER TEST POINT DIGITAL MULTI-METER TEST POINT TERMINALS DIODE MODE + PROBE - PROBE ACCEPTABLE READINGS 0.43 ± 0.1V 1 (19) 0.43 ± 0.1V 2 (20) 4 (209) 0.43 ±...
  • Page 54 MAIN SWITCH BOARD TEST WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 55: Main Switch Board Test

    Troubleshooting and Repair F-28 F-28 MAIN SWITCH BOARD TEST (CONTINUE) FIGURE F.14 – MAIN SWITCH BOARD LEAD LOCATION 207 (-) 209 (+) PROCEDURE Disconnect power to the INVERTEC CV350-R. Locate the Main Switch Board. See Figure F.14. Perform the Case Cover Removal Procedure. Using a Phillips head screwdriver, remove leads 201, 204, 207, 209 from the main switch board.
  • Page 56 Troubleshooting and Repair F-29 F-29 MAIN SWITCH BOARD TEST (CONTINUE) TABLE F.2 – MAIN SWITCH BOARD TEST POINT DIGITAL MULTI-METER TEST POINT TERMINALS DIODE MODE + PROBE - PROBE ACCEPTABLE READINGS 0.35 ± 0.1V None None 0.35 ± 0.1V None 0.35 ±...
  • Page 57 OUTPUT RECTIFIER TEST WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 58: Output Rectifier Test

    Troubleshooting and Repair F-31 F-31 OUTPUT RECTIFIER TEST (CONTINUE) FIGURE F.15 – OUTPUT RECTIFIER LEAD LOCATION PROCEDURE Disconnect power to the INVERTEC CV350-R. NOTE: RTV is applied to snubber and terminals as Perform the Case Cover Removal Procedure. environmental protection, after reconnecting the output rectifier and snubber, RTV needs to be reapplied.
  • Page 59 Troubleshooting and Repair F-32 F-32 OUTPUT RECTIFIER TEST (CONTINUE) TABLE F.3 – OUTPUT RECTIFIER TEST POINT DIGITAL MULTI-METER TEST POINT TERMINALS DIODE MODE + PROBE - PROBE ACCEPTABLE READINGS 0.2 ± 0.1V 0.2 ± 0.1V None None Use the digital multi-meter in diode check mode to If the output rectifier is faulty, replace.
  • Page 60 AUXILIARY TRANSFORMER TEST WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 61: Auxiliary Transformer Test

    Troubleshooting and Repair F-34 F-34 AUXILIARY TRANSFORMER TEST (CONTINUE) FIGURE F.15 – AUXILIARY TRANSFORMER LEADSLOCATION OUTPUT INPUT PROCEDURE Disconnect power to the INVERTEC CV350-R. WARNING Perform the Case Cover Removal Procedure. High voltage is present at primary of Auxiliary Locate the Auxiliary Transformer. See Figure F.15. Transformer.
  • Page 62 Troubleshooting and Repair F-35 F-35 AUXILIARY TRANSFORMER TEST (CONTINUE) TABLE F.4 – AUXILIARY TRANSFORMER TEST POINT INPUT VOLTAGE/FREQUENCY: AC 400V ±10%, 50Hz LEAD IDENTIFICATION NOMAL EXPECTED OCV 230 ± 3 V 4 to 5 38.2 ± 1 V 6 to 7 12.6 ±...
  • Page 63 VOLTAGE AND CURRENT CALIBRATION PROCEDURE WARNING Service and repair should be performed by only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 64: Voltage And Current Calibration Procedure

    Troubleshooting and Repair F-37 F-37 VOLTAGE AND CURRENT CALIBRATION PROCEDURE (CONTINUE) FIGURE F.16 – CONNECTION PATH FOR CALIBRATION 1. Connection Path Please refer to FIGURE F. 16. 2. Setting steps: • Program G3894-1 Ethernet board with “S25216-12_Ethernet” software including setting up IP address such as 10.12.23.2.
  • Page 65 Troubleshooting and Repair F-38 F-38 VOLTAGE AND CURRENT CALIBRATION PROCEDURE (CONTINUE) • Set up the shortcut of test software including inputting the IP address of G3894-1 Ethernet board. • Run the shortcut of the test software. INVERTEC CV350-R...
  • Page 66 Troubleshooting and Repair F-39 F-39 VOLTAGE AND CURRENT CALIBRATION PROCEDURE (CONTINUE) 3. Operation instruction Click to start connection; Tap “ System Info ” to verify software version; Tap “ Feeder” to test feeder: Setting up the WFS in “ Cold Inch Speed ”, and tap “Inch Forward ” or “ Inch Back ” to watch the feeder run; Tap “...

  • Page 67: Retest After Repair

    Troubleshooting and Repair F-40 F-40 RETEST AFTER REPAIR Should a machine under test be rejected for any reason requiring the removal of any mechanical part that could affect the machine’s electrical characteristics, or if any electrical components are repaired or replaced, the machine must be retested.

  • Page 68: Electrical Diagram

    Electrical Diagram Electrical Diagrams………….…………..…………….………………………………G-1 Wiring Diagram……………………...…………….……………….………………..G-2 INVERTEC CV350-R...
  • Page 69 Electrical Diagram INVERTEC CV350-R...

  • Page 70: Main Parts List

    Main Parts List FIGURE H.1 - MAIN PARTS LIST INVERTEC CV350-R...
  • Page 71 Main Parts List TABLE H.1 – MAIN SPARE PARTS LIST QTY Used per Item Description Part Number Production Unit 1A Switch PC Board S27344-1 1B PZ Drive Screw S25930-8 1C Lock Washer S26339-11 2A Control PC Board S27357-04 2B Hex Head Screw (M5) S26641-6 2C Plain Washer (M5) S26638-3...
  • Page 72 Note • World’s Leader in Welding and Cutting• THE SHANGHAI LINCOLN ELECTRIC COMPANY No. 195, Lane 5008, Hu Tai Rd. Baoshan, Shanghai, PRC 201907 www.lincolnelectric.com.cn INVERTEC CV350-R...

This manual is also suitable for:

76035

Table of Contents