Miller Electric ProHeat 35 manual Diagnostics & Troubleshooting, Operator Interface Indicators

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SECTION 9 − DIAGNOSTICS & TROUBLESHOOTING

The ProHeat 35 power source has on-board capabilities to aid in troubleshooting problems should any conditions occur during operation. This troubleshooting capability consists of the Fault LED, Limit LED, and message screens that appear on the front panel LCD display.

9-1. Operator Interface Indicators

		803 995-B
1 Fault LED	2 Limit LED	3 4 x 40 LCD Display
LED lights to indicate a system fault	LED lights to indicate a system limit	Displays programming, run status, param-
LED lights to indicate a system fault	LED lights to indicate a system limit	eters, fault and limit conditions, and
condition.	condition.	troubleshooting guide.

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Contents File Induction Heating OM-222 166K 2007−11 ProcessesDescription From Miller to You Table of Contents EMF Information − MaintenanceRoutine Maintenance Blowing Out Inside Of Unit Limit Conditions Limit Condition Codes Fault ConditionsDecstat1/07 DirectivesStandards Page Fumes and Gases can be hazardous Symbol UsageInduction Heating Hazards Electric Shock can killCalifornia Proposition 65 Warnings About Implanted Medical Devices Principal Safety Standards EMF InformationLES Fumées ET LES GAZ peuvent être dangereux Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation UNE Décharge Électrique peut entraîner la mortDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLE Chauffage PAR Induction peut provoquer des brûlures LA Chute DE L’APPAREIL peut blesserEn ce qui concerne les implants médicaux Proposition californienne 65 AvertissementsPrincipales normes de sécurité Information EMF − Definitions Kill Shown by the symbolsPower before working on Are possible hazards asWeee Label For Products Sold Within The EU Rating Label For CE ProductsI1max − InstallationSymbols And Definitions SpecificationsMovement Location And Airflow Do not move or operate unit where it could tipSelecting a Location TippingMin Grounding Conductor Size In AWG Electrical Service GuidePhase Input Voltage 50 Hz ThreeGND/PE Earth Ground Connecting 3-Phase Input Power For 460/575 Volt ModelsWelding Power Source Input Power Connections Disconnect Device Input Power ConnectionsConnecting 3-Phase Input Power For 400/460 Volt Models Power Source Output Connections Socket Socket Information Remote 14 Receptacle RC14 Information and ConnectionsRemote 14 Socket Information Unused Temperature Recorder Socket InformationSignal Common Socket No Socket InformationWorkpiece Use handle to place magnet on the workpiece Secondary Insulation ProtectionReceptacles Plug Handle MagnetLocating Thermocouples Volt AC Duplex Receptacle And Supplementary ProtectorOther end is fitted with a 2-pin type K connector Attaching Welded Thermocouples Do not weld thermocouples while connected to power sourcePlacing Temperature Probe Using Contact ThermocouplesControls − Components and ControlsSystem Description − Setup and OperationSafety Equipment Power Source/System SetupOM-222 166 Programming Temperature-Based ControlMode....... Preheat Control TC Temperature Soak Time Decrease button to change the value to the desired settingPwht Post-Weld Heat Treat Bake-OutCustom Program Soak Parameters600 Custom ProgramEnd Type.......StepNumber OM-222 166 Ramp Temperature 600 Ramp Rate 600 /HrEnd Function SoakSoak Function NumberSoak at 1250 degrees F for a period Manual ControlTypical 5-Segment Custom Program Preheat, Bake-Out And Pwht Run Status Screen Temperature Based ControlRun Status TC5 Target Temp −−−− TC6 Countdown.. −−−−−−Cooler cannot be turned off while output is on Power TC5 Current TC6 Voltage Frequency KHzParameters CoolerProgram run is initiated, the Run Must be running to enter Hold modeReal-Time Operation Button. a change of program parameters Liquid Cooled Output System Operating CharacteristicsPower Source Output Characteristics Air Cooled OutputBefore maintaining − MaintenanceRoutine Maintenance Disconnect powerServicing Hazards − Safety Precautions for ServicingCalifornia Proposition 65 Warnings Operator Interface Indicators − Diagnostics & TroubleshootingLimit Condition Additional Information Limit ConditionsLimit Condition Codes Run StatusFault Condition Additional Information Fault ConditionsFault Condition Codes ClrSts Flowing System Diagnostic ScreensOff Cable1 LQD DIAG1 OutI1 Cable2 LQD OutI2 ClntFR 0.75 GPM VBus Therm1Therm2 Therm3Tools Needed 16, 3/8 Turn Off welding power source, and disconnect input powerRemoving Wrapper and Measuring Input Capacitor Voltage Blowing Out Inside Of Unit Material Thickness Reference ChartCircuit Diagram − Electrical Diagram218 057-G See Figure 11-313 11-2 − Parts ListFront Panel Rear Panel Base w/Components Top Windtunnel Capacitor Assembly Right Windtunnel 229 Right Windtunnel 400 V Model Only 208 Left Windtunnel PLG14 10. Hermaphroditic Blank Plug Assy SOCKET/WRENCH Selection Table Standard Metric OM-222 166 Support ServiceYour distributor also gives Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact