Fan not operating | Hobart Welding Products 350LX specification

Trouble	Remedy

	Check for water in torch, and repair torch if necessary.

Fan not operating.	Unit equipped with Fan-On-Demandt. Fans run only when necessary. Unit equipped with circuitry to
	protect against overheating.

OM-356 Page 38

Image 42

Hobart Welding Products 350LX manual Check for water in torch, and repair torch if necessary, Fan not operating

Contents

OM-356188694J ProcessesDescription From Hobart to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can kill Flying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or kill Principal Safety Standards EMF Information About Pacemakers UN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereux LE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures Principales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Disconnect input plug or power before working on machine DefinitionsKeep your head out of the fumes Manufacturer’s Rating Label For CE Products Symbols And Definitions Movement Falling Unit Can Cause Injury InstallationSelecting a Location Location And Airflow Dimensions And Weights Specifications Minutes Welding Minutes Resting Duty Cycle And OverheatingVolt-Ampere Curves Overheating ARC Welding can cause Electromagnetic Interference Weld Output Terminals And Selecting Cable SizesRemote 14 Receptacle Terminals Turn Off power before con Necting to receptacle Electrical Service Guide Placing Jumper Links And Connecting Input Power Close and secure primary door For 200/230/460 Volts And Non CE Units OperationControls Pulse Controls For CE Units Output Selector Switch Output Selector SwitchProcess Control Current Control Output Control When HF Start is selected, start arc as follows Start ModeWhen Lift-Arc is selected, start arc as follows When HF Continuous is selected, start arc as follows Amperage Adjustment Control Meters Balance/DIG Control Preflow Time Control Postflow Time Control 50% Setting Pulse ControlsPercent % Peak Bkg Amp High Frequency Control Optional Sequence Controls Sequence Selection Switch Start Time/Spot Time Control And Start Current Control Crater Time Control And Final Current Control Start/Crater Sequence Controls Start Sequence Switch 4T Position Sequence Selection Controls Timer/Cycle Counter Spot Time Control Disconnect power before maintaining Maintenance & TroubleshootingRoutine Maintenance Months Adjusting Spark Gaps Turn Off power before adjusting spark gapsTools Needed 012 in 0.305 mm Voltmeter/Ammeter Help Displays Help 3 Display Indicates the transformer of the unit hasHelp 4 Display Troubleshooting There are not user serviceable parts inside unit Check for water in torch, and repair torch if necessary Fan not operatingProtect against overheating Electrical Diagram Circuit Diagram Welding Processes Requiring High Frequency Incorrect InstallationHigh Frequency Weld Zone Metal Building Correct InstallationNonmetal Building Ground workpiece if required by codes Metal Building Requirements Parts List Main Assembly TRANSFORMER/STABILIZER Assembly 200/230/460 Optional Switch, Push Button -1 Item 185Page Service Support Contact your Distributor for Hobart Welding ProductsCall