Miller Electric Axcess 450 manual Process Control Module PC4 Diagnostic LED’s, Status Diagnosis

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9-2. Process Control Module PC4 Diagnostic LED’s

	1 Process Control Module PC4
	Diagnostic LED’s are visible inside unit,
	located on PC4 mounted on the top tray.
	Refer to Section 9-3for information on
1	diagnostic LED’s.
1
	Reinstall cover after checking diagnostic
	LED’s.
	LED1
	LED2

LED3

LED4

216 956-A / Ref. 803 419-B

9-3. Diagnostic LED’s On Process Control Module PC4

LED	Status	Diagnosis

1	On	Indicates −25 volts dc is present on process control module PC4

	Off	Indicates −25 volts dc is not present on process control module PC4

2	On	Indicates +25 volts dc is present on process control module PC4

	Off	Indicates +25 volts dc is not present on process control module PC4

3,4	On	See Network Status Table in Section 9-4

	Off	See Network Status Table in Section 9-4

OM-220 389 Page 33

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Contents File Advanced Manufacturing Systems OM-220 389JProcesses DescriptionFrom Miller to You Table of Contents − Troubleshooting Directives StandardsDecstat1/07 Page HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésDES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLOProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-220 389 Keep your head out of the fumes Disconnect input plug or power before working on machine− Definitions Manufacturer’s Warning Label DefinitionsWeee Label Manufacturer’s Rating Label Symbols And DefinitionsI1max I1eff17-3/32 in 434 mm 17-3/8 in 441 mm 19-3/32 in 485 mm − InstallationSpecifications Dimensions And WeightOverheating Duty Cycle And OverheatingVolt-Ampere Curves 100% Duty Cycle At 450 AmperesConnection Diagram Selecting a LocationDo not stack units. Beware of tipping Rear Panel Receptacles And Supplementary Protectors Incorrect Installation Connecting To Weld Terminals50/60 Hz Network Wire Feeder Receptacle FunctionsElectrical Service Guide PinConnecting Input Power Welding Power Source Input Power ConnectionsDisconnect Device Input Power Connections Selecting Weld Cable Sizes − Recommended Setup ProceduresGun TravelWCL Current Flow Path Welding CircuitBest Using Multiple Welding Power Sources Wire Feeder Drop in the workpiece. The voltage drop Bad SetupSupporting separate voltage feedback to OM-220 389 Better SetupBest Setup Front Panel Switches − OperationPDA Port PC Port OM-220 389 − Maintenance Routine MaintenanceBlowing Out Inside of Unit Exploding Parts can cause injury − Safety Precautions for ServicingShock Hazard from testing Servicing HazardsCalifornia Proposition 65 Warnings Removing Cover and Measuring Input Capacitor Voltage − TroubleshootingProcess Control Module PC4 Diagnostic LED’s Diagnostic LED’s On Process Control Module PC4Status Diagnosis Circuit board is operating normally Network And Module Status LED’s Network Status LED’sModule Status LED’s RedTrouble Remedy TroubleshootingCircuit Diagram For Welding Power Source − Electrical Diagrams220 420-B 16 − Fig − Parts ListWindtunnel Assembly LH And RH Windtunnel Assembly LH And RH -1Item Top Tray Assembly Rear Panel Assembly Front Panel Assembly Dia Part Service Your distributor also givesSupport 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