Lincoln Electric IM986 manual Capacitor Discharge Procedure, Figure D.1a

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D-2

MAINTENANCE

D-2

4.Remove the left case side by pulling out from the bottom.

5.Disconnect the chassis input power leads (1E, 2E & 3E) from terminal block “3TB” located in the cabinet reconnect area, and remove the chassis ground from the stud located in front the terminal block.

6.Carefully slide the chassis from the cabinet by pulling on the fan bracket. (see “Location and Mounting” section of this document for instructions on lifting the chassis).

CAPACITOR DISCHARGE PROCEDURE

CAUTION

• Prior to transporting or servicing chassis it is important to verify the capacitors are completely dis- charged.

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1.Use a DC voltmeter to check that NO voltage is present across the terminals of both capacitors.

Note: Presence of capacitors voltage is also indi- cated by LEDʼs (See figure D.1a)

2.If voltage is present wait for capacitors to complete- ly discharge (this may take several minutes) or dis- charge the capacitors as follows:

•Obtain a power resistor (25 ohms, 25 watts).

•Hold resistor body with electrically insulated glove. DO NOT TOUCH TERMINALS. CAPACITOR VOLTAGE MAY EXCEED 400VDC.Connect the resistor terminals across the two studs in the position shown. Hold in each position for 10 second. Repeat for both capacitors.

•Use a DC voltmeter to check that voltage is not present across the terminals of both capacitors.

FIGURE D.1a

CAPACITOR

TERMINALS

CAPACITOR CHARGE	RESISTOR
INDICATORS (LED’S)

POWER WAVE® i400

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Contents Safety Depends on You Power WaveMar ʻ95 SafetyAUG Electric Shock can killJan IiiMar. ʻ93 Précautions DE SûretéElectromagnetic Compatibility EMC Safety Vii Thank YouTable of Contents Height Width Depth Weight Phase InputOperating Temperature Range Storage Temperature RangeClass EnclosureClass F K2673-23 155CSafety Precautions InstallationPower Supply Connection for the Fanuc R30iA Controller Input Fuse and Supply Wire ConsiderationsInput and Grounding Connections Input ConnectionsOptional Equipment Connection Diagrams and SystemPower Wave Utilities Fanuc R30iA Controller Mounting Typical Single ARM Typical Master / Slave System Dual ARM I400 TypicalTable A.1 Electrode and Work Connections General GuidelinesPercent DutyRemote Sense Lead Connections Cable INDUCTANCE, and ITS Effects on WeldingVoltage Sensing Overview Table A.2Voltage Sensing Considerations for Multiple Arc Systems Work Voltage SensingIf Sense Leads are not Used See Figure A.3Power Control Cable Connections Regarding cable placement, best results will beCommon Equipment Connections General GuidelinesOther SET-UP Issues Electric Shock can kill OperationDirect Current Input Power Three PhaseRecommended Processes and Equipment Product DescriptionCase Front Control Description Case FrontCase Back Components Description Case BackPin Leads Function 115V / 15A Duplex ReceptacleCommon Welding Procedures POWER-UP SequenceInternal Controls Internal Controls DescriptionConstant Voltage Welding Basic Welding ControlsNon Synergic CV Pulse WeldingFactory Installed AccessoriesField Installed Optional EquipmentRoutine Maintenance MaintenancePeriodic Maintenance Calibration SpecificationFigure D.1a Capacitor Discharge ProcedureHOW to USE Troubleshooting Guide TroubleshootingTable E.1 Using the Status LED to Troubleshoot System ProblemsError Code # Error Codes for the Power WaveIndication Wire Drive Module Recommended Symptoms ProblemsCourse of Action LED Observe Safety GuidelinesRecommended Weld and ARC Quality Problems DeviceNet PLC Controlled System Under the Produced Assembly that Power SupplyTouch Sense command From the DeviceNet tab Passive ModeThrough the wire conduit. Verify Bad Weld Starting Wire Feed problemStrike Wire Feed Speed Ly connected and configured asAnalog In Active Selections From the DeviceNet tab Respond quicklyNeeds to be changed, select ModificationOther than Analog Scans Between Updates Bad Weld Ending Burnback Disabled From the DeviceNet tabBurnback is present Burnback Time That Burnback is present for all Analogs Welding set pointsProblems Possible Recommended Symptoms Enhanced Diagam DiagramsDimension Print Power Wave Aviso DE Use ventilation or exhaust to Guards off