Hobart Welding Products OM-279 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 2-8 and 2-10).

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 explosionFlying Sparks can cause injury ARC Rays can burn eyes and skinNoise can damage hearing Fumes and Gases can be hazardousPrincipal Safety Standards EMF Information About PacemakersSignification 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 particulierLE Bruit peut endommager l’ouïe LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Plasma D’ARC peut entraîner des blessures LES Bouteilles peuvent exploser si elles sont endommagé esPrincipales normes de sé curité Information sur les champs é lectromagné tiques Consignes relatives aux stimulateurs cardiaquesSpecifications Dimensions And WeightDuty Cycle And Overheating Special installation may be Cutting SpeedSelecting a Location Movement Location And AirflowConnecting Gas/Air Supply Installing And Connecting Work ClampElectrical Service Guide Placing 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 Trouble Lights Checking Shield Cup Shutdown SystemTroubleshooting Running slowlyFan motor FM does not run Power light Electrical Diagrams Circuit Diagram For 230/460/575 Volt Models OM-279 Parts List Dia Part Mkgs Description Quantity Dia Part OM-279 OM-279 Page Page Service SupportContact your Distributor for Hobart Welding Products