Related Manuals for Lincoln Electric CITOLINE i250
Summary of Contents for Lincoln Electric CITOLINE i250
- Page 1 SVM 3183 Rev.00 09-2022 CITOLINE i250 & i300 For use with machines having code numbers: 50623 - 50624 LINCOLN ELECTRIC EUROPE www.lincolnelectric.eu...
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Page 2: Table Of Contents
INDEX OF CONTENTS TECHNICAL SPECIFICATIONS ............................3 MAJOR COMPONENTS LOCATION ..........................18 TROUBLESHOOTING AND REPAIR SECTION ......................20 SIDE PANELS REMOVAL AND DC BUS CAPACITORS DISCHARGE PROCEDURE ..........24 INVERTER BOARD RESISTANCE TEST ........................27 RECTIFICATION BOARD RESISTANCE TEST ......................29 INVERTER BOARD VOLTAGE TEST ........................... -
Page 3: Technical Specifications
TECHNICAL SPECIFICATIONS NAME INDEX CITOLINE i250 W100000317 CITOLINE i300 W100000318 INPUT Input Voltage U EMC Class Frequency CITOLINE i250 400V ± 10%, 3-phase 50/60Hz CITOLINE i300 Input Power at Rated Process Input Amperes I 1max Cycle (40°C) 13,5 kVA @ 35% Duty... - Page 4 WELDING VOLTAGE REGULATION RANGE GMAW FCAW CITOLINE i250 16,5 V ÷ 26,5 V 16,5 V ÷26,5 V CITOLINE i300 16,5 V ÷29 V 16,5 V ÷29 V WIRE FEED SPEED RANGE / WIRE DIAMETER WFS Range Drive Rolls Drive roll diameter CITOLINE i250 1.5 ÷...
- Page 5 WARNING Provided that the public low voltage system impedance at the point of common coupling is lower than: 58 mΩ for the CITOLINE i250 59,9 mΩ for the CITOLINE i300 This equipment is compliant with IEC 61000-3-11 and IEC 61000-3-12 and can be connected to public low voltage systems.
- Page 6 Failure to follow the instructions in this manual could cause serious personal injury, loss of life, or damage to this equipment. Read and understand the following explanations of the warning symbols. Lincoln Electric is not responsible for damages caused by improper installation, improper care or abnormal operation.
- Page 7 WELDING SPARKS CAN CAUSE FIRE OR EXPLOSION: Remove fire hazards from the welding area and have a fire extinguisher readily available. Welding sparks and hot materials from the welding process can easily go through small cracks and openings to adjacent areas. Do not weld on any tanks, drums, containers, or material until the proper steps have been taken to insure that no flammable or toxic vapors will be present.
- Page 8 Introduction The welding machines CITOLINE i250 and The complete package contains: Work lead with ground clamp – 3m, CITOLINE i300 can be used for welding in below Gas hose – 2m, methods: GMAW Drive roll V0.8/1.0 for solid wire (assembly in the wire ...
- Page 9 1. EURO Socket: For connecting a welding gun (for dup lica ted to o ther p arties or u sed for a ny p urpose w it hout the exp ress written perm ission of Lincoln Electric Euro pe. L E Ere v A 2 8 /0 2/2 01 7 C A D -dft fi rs t s a v e d 12 .1 0 .2 02 1...
- Page 10 T his docum ent contains proprietary information o wned b y Lincoln Electric Europe a nd may not be commu nicated , dup lica ted to o ther p arties or u sed for a ny p urpose w it hout the exp ress written perm ission of Lincoln Electric Euro pe.
- Page 11 20. Wire Diameter or Manual Mode Selection Button: Sets 24. Run-In WFS Button: Allow to show and set the Run-in the diameter of the welding wire for Synergic Mode or wire feed speed value (for Synergic and Manual choose Manual Mode. Mode): Process Symbol Description...
- Page 12 27. Torch Trigger Mode Button (2-Step/4-Step): Change 28. Welding Process Selection Button: Allow to choose the function of the torch trigger. the welding process: Process Symbol Description Symbol Description 2-Step trigger operation GMAW/FACW welding mode. turns welding on and off as direct response to the trigger.
- Page 13 Arc dynamics ARC FORCE safety at welding, welding can be begun. Welding GMAW, FCAW Process CITOLINE i250, CITOLINE i300 can be used to welding GMAW, FCAW-GS, FCAW-SS process. NOTE: Welding FCAW-SS process is possible in Manual Mode only. In CITOLINE i250, CITOLINE i300 can be set: ...
- Page 14 The optimum output welding voltage is automatically set Welding GMAW Process in synergic by the machine when changing the wire feed speed mode m/min or the output current value in A, depending on the In synergic mode, the welding load voltage is not set by selected workpoint.
- Page 15 Loading the Electrode Wire Adjusting of Force of Pressure Roll Depending on the type of wire spool it can be installed Force on the wire spool support without adapter or installed The pressure arm controls the amount of force the drive with use applicable adapter that must be purchased rolls exert on the wire.
- Page 16 Falling equipment can cause injury and before installation or changing drive rolls. damage to unit. CITOLINE i250, CITOLINE i300 is equipped with drive roll V0.8/V1.0 for steel wire. For others wire type or / and diameter, the proper drive rolls kit you can find in ʺAccessoriesʺ...
- Page 17 Lincoln Electric is not in a position to warrant or Any noticeable damage should be reported immediately guarantee such advice, and assumes no liability, with and repaired.
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Page 18: Major Components Location
15 minute period. If the fan is not turning or the air intake louvers were obstructed , then the power must be switched off and the fan problem or air obstruction must be corrected. MAJOR COMPONENTS LOCATION CITOLINE i250 & i300 Fans Wire drive assembly... - Page 19 OVERLOAD PROTECTION operating temperature should occur, the Thermal Overload indicator on the front panel, will turn ON CITOLINE i250 & i300 are electrically protected and the thermostat will prevent output current. from producing higher than normal output current. An electronic protection circuit limits the current to The thermal protection devices are self-resetting within the capabilities of the machine.
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Page 20: Troubleshooting And Repair Section
TROUBLESHOOTING AND REPAIR SECTION How to use troubleshooting Guide Troubleshooting Guide Side panels removal and capacitor discharge procedure... - Page 21 HOW TO USE TROUBLESHOOTING GUIDE 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 and 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 22 WARNING 4. Test the machine to determine if the failure symptom has been corrected by the replacement PC board. NOTE: Allow the machine to heat up so that all ELECTRIC SHOCK can kill electrical components can reach their operating temperature. ...
- Page 23 TROUBLESHOOTING !! WARNING !! BEFORE CONNECT POWER SUPPLY, MAKE A CAREFUL VISUAL INSPECTION INSIDE THE MACHINE, CHECK ALL THE BOARDS AND HARNESSES. POSSIBLE AREAS OF CHECKS & RECOMMENDED COURSE PROBLEMS / SYMPTOMS MISADJUSTMENT(S) OF ACTION THE INPUT FUSES MAKE SURE THE INPUT FUSES OR ...
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Page 24: Side Panels Removal And Dc Bus Capacitors Discharge Procedure
DISCHARGE PROCEDURE WARNING Service and repair should be performed only 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. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual. - Page 25 CITOLINE i250 & i300 – SIDE PANELS & COVER REMOVAL NOTE: to remove the side panels is it not necessary to remove the cover Upper side view Right side view Left side view Necessary tool: Torx T25 wrench Procedure: 1. Turn ON/OFF switch to OFF position.
- Page 26 DC BUS capacitors. Hold the resistor in PROCEDURE place for 10 seconds. DO NOT TOUCH CAPACITOR TERMINALS WITH YOUR BARE 1. Remove main input power to the CITOLINE i250 & HANDS. i300 7. Check again the voltage across the DC BUS Remove the right side panel following the case Capacitors;...
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Page 27: Inverter Board Resistance Test
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact your Local Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. - Page 28 T3A – T3B T4A – T4B TEST PROCEDURE 1. Remove main input power to the CITOLINE i250 & i300 2. Perform the Discharge procedure 3. Remove the plastic protection before proceeding with the following tests. 4. Without disconnect any cables check Inverter IGBT T1A,T1B,T2A,T2B, T3A,T3B, T4A, T4B using the...
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Page 29: Rectification Board Resistance Test
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact your Local Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. - Page 30 T1 to T6 Figure is showing PCB version for QUICKMIG 300 TEST PROCEDURE 1. Remove main input power to the CITOLINE i250 & i300 2. Perform the Discharge procedure 3. Remove the cables (A) Using the multi-meter (diode test mode) check the output diode (T1 to T12 in case of CITOLINE i300) for...
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Page 31: Inverter Board Voltage Test
INVERTER BOARD VOLTAGE 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 32 Use always electrically insulate gloves during this test procedure 1. Carefully apply 400Vac +/- 15% input voltage via the input cable to the CITOLINE i250 or i300 2. Switch to ON position the mains switch located on the back of the machine 3.
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Page 33: Auxiliary Power Board Test
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact your Local Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. - Page 34 Use always electrically insulate gloves during this test procedure 1. Carefully apply 400Vac +/- 15% input voltage via the input cable to the CITOLINE i250 or i300 Switch to ON position the mains switch located on the back of the machine...
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Page 35: Control Board Test
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact your Local Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. - Page 36 Use always electrically insulate gloves during this test procedure 1. Carefully apply 400Vac +/- 15% input voltage via the input cable to the CITOLINE i250 or i300 Switch to ON position the mains switch located on the back of the machine...
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Page 37: Disassembly Operations
REMOVAL PROCEDURE Necessary tools: - PH02 screwdriver 1. Remove main input power to the CITOLINE i250 or i300 2. Open the right side panel of the machine following the case cover removal procedure. 3. Perform the Discharge procedure 4. Locate the EMC, AUXILIARY SUPPLY AND CONTROL PCB, inside the area “A”. See Figure1. - Page 38 REMOVAL PROCEDURE Necessary tools: - PH02 screwdriver 1. Remove main input power to the CITOLINE i250 or i300 2. Open the right side panel of the machine following the case cover removal procedure. 3. Perform the Discharge procedure 4. Locate the fans. See Figure1.
- Page 39 - PH02 screwdriver - TX25 torx screwdriver 1. Remove main input power to the CITOLINE i250 or i300 2. Open the right and left side panels of the machine following the case cover removal procedure. 3. Perform the Discharge procedure 4.
- Page 40 Necessary tools: - PH02 screwdriver - 13mm wrench 1. Remove main input power to the CITOLINE i250 or i300 2. Open the right side panel of the machine following the case cover removal procedure. 3. Perform the Discharge procedure 4. Locate the wire drive assembly. See Figure1.
- Page 41 Necessary tools: - Nippers - 17mm wrench 1. Remove main input power to the CITOLINE i250 or i300 2. Open the right side panel of the machine following the case cover removal procedure. 3. Perform the Discharge procedure 4. Locate the gas solenoid. See Figure1.
- Page 42 - PH02 screwdriver - 8mm socket wrench - TX25 wrench 1. Remove main input power to the CITOLINE i250 or i300 2. Open the right side panel of the machine following the case cover removal procedure. 3. Perform the Discharge procedure 4.
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Page 43: Retest After Repair
300A@35% Output current range GMAW - FCAW 50-250 Amps – CITOLINE i250 50-300 Amps – CITOLINE i300 Output current range SMAW 10-250 Amps – CITOLINE i250 & i300 Maximum Open Circuit Voltage U 0 peak 72 Vp ! IMPORTANT ! After the repair, the unit shall be tested accordingly to the norm EN60974-4 Arc welding equipment “In-service inspection and testing”... -
Page 44: Calibration Procedure
CALIBRATION PROCEDURE Calibrate the Max current preset: 1. Input 3~380V supply voltage, turn on the machine and select MMA mode. 2. Preset the current to maximum, connect output to load bank; 3. Adjust the load bank and the VR1, to make the output to 250~253A/29~30V; Calibrate the current display accuracy: 1. -
Page 45: Electrical Schematics
ELECTRICAL SCHEMATICS Block Diagram... -
Page 46: Note
NOTE...