Miller Electric ICE-12C, 125C manual Troubleshooting Torch

Page 25

6-6. Troubleshooting Torch

Does arc go on and off while cutting?

No

Does arc go out while cutting?

No

Do sparks come out of top of cut; or cut is not clean?

No

Is Trouble light On; unit has no cutting output?

No

Go to Section 6-5.

Yes

Yes

Yes

Yes

Torch travel speed too slow; increase travel speed (see Section 5-2). Clean or replace torch consumables as necessary (see Section 6-4). Be sure work clamp is securely attached to workpiece.

Be sure work clamp is securely attached to work- piece. Make sure drag shield contacts metal while cutting. Clean or replace torch consumables as necessary (see Section

6-4).

Torch travel speed too fast; reduce travel speed (see Section 5-2). Clean or replace torch consumables as necessary (see Section 6-4). Be sure work clamp is securely attached to workpiece. Unit not capable of cutting metals thicker than rating (see Section 4-1).

Check torch shield cup (see Section 6-2); reset unit Power switch. *Check torch and connections inside unit.

Go to Section 6-5.

Go to Section 6-5.

Go to Section 6-5.

*Servicing procedure to be performed only by authorized Service Station.

OM-2248 Page 21

Image 25

Contents Processes OM-2248Description File Plasma CuttersFrom Miller to You Table of Contents Page Marks a special safety message Symbol UsagePlasma Arc Cutting Hazards Cutting can cause fire or explosionFlying Sparks can cause injury Exploding Parts can injureARC Rays can burn eyes and skin Noise can damage hearingCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LE Coupage présente un risque de feu ou d’explosion Signification des symbolesUNE Décharge Électrique peut entraîner la mort Identifie un message de sécurité particulierLE Bruit peut endommager l’ouïe Risque de blessure en casLES Fumées ET LES GAZ peuvent être dangereux LE Plasma D’ARC peut entraîner des blessuresDES Pieces Chaudes peuvent pro- voquer des brûlures graves LES Bouteilles peuvent exploser si elles sont endommagéesDES Organes Mobiles peuvent provoquer des blessures DES Particules Volantes peuvent blesser les yeuxInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques I1max − DefinitionsI1eff Specifications − InstallationSpecifications For Torch Duty Cycle And OverheatingDimensions And Weight Torch Dimensions And WeightSelecting a Location Movement Location And AirflowConnecting Input Power Connecting Work ClampControls − OperationCutting Speed Trigger Safety Lock 196 Sequence Of OperationRoutine Maintenance − Maintenance & TroubleshootingWeek Checking Torch Shield Cup Shutdown System 1CUP Temp Input VoltageTorch Connections Torch And Work Cable ConnectionsWork Cable Connections Checking/Replacing Retaining Cup, Tip, And Electrode Turn Off power source before checking torch partsTroubleshooting Power Source Troubleshooting Torch Circuit Diagram − Electrical DiagramOM-2248 Main Assembly − Parts ListDia Part Torch, ICE-12C Support ServiceMiller Electric Mfg. Co Owner’s Record