Hobart 750 manual Fan motor FM does not run Power light

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Trouble	Remedy


Fan motor FM does not run; Power light	Have Factory Authorized Service Agent check fan motor connections.
and Ready light both On.

	Check input power, and check for proper input connections (see Sections 2-7 and 2-9).

Trouble lights not working.

Have Factory Authorized Service Agent check safety control board PC1.

OM-279 Page 20

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Contents OM-279 ProcessesDescription From Hobart to You Table of Contents Page Symbol Usage Marks a special safety messagePlasma Arc Cutting Hazards Cutting can cause fire or explosionExploding Parts can injure Flying Sparks can cause injuryARC Rays can burn eyes and skin Noise can damage hearingHOT Parts can cause severe burns Moving Parts can cause injuryFlying Metal can injure eyes Overuse can cause OverheatingPrincipal Safety Standards EMF InformationAbout Pacemakers Signification des symboles LE Coupage pré sente un risque de feu ou d’explosionUNE DÉ Charge É Lectrique peut entraîner la mort Identifie un message de sé curité particulierRisque de blessure en cas LE Bruit peut endommager l’ouïeLES Fumé ES ET LES GAZ peuvent ê tre dangereux LE Plasma D’ARC peut entraîner des blessuresLES Bouteilles peuvent exploser si elles sont endommagé es DES Pieces Chaudes peuvent pro- voquer des brû lures gravesDES Organes Mobiles peuvent provoquer des blessures DES Particules Volantes peuvent blesser les yeuxPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Installation SpecificationsDimensions And Weight Duty Cycle And OverheatingSpecial installation may be Cutting SpeedSelecting a Location Movement Location And AirflowConnecting Gas/Air Supply Electrical Service GuidePlacing Jumper Links Connecting Input Power Three-Phase SystemAlways connect Grounding conductor firstOperation Front Panel ControlsSetting Gas/Air Pressure Set pressure to 70 PSI 483 kPaSequence Of Operation Example Of Cutting OperationTrigger is pressed Maintenance & Troubleshooting MonthsTrouble Lights Checking Shield Cup Shutdown SystemTroubleshooting Running slowlyFan motor FM does not run Power light Electrical Diagrams Circuit Diagram For 200/230/460 Volt ModelsCircuit Diagram For 230/460/575 Volt Models OM-279 Parts List Main AssemblyDia Part Mkgs Description Quantity Consumable Parts For ICE-50C Service SupportContact your Distributor for Hobart Welding Products

Trouble

Fan motor FM does not run; Power light