Miller Electric UPC 838 manual Troubleshooting, Trouble Remedy

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6-4. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

Remedy

 

 

 

 

 

 

 

 

 

 

No pilot arc; difficulty in establishing an

Clean or replace worn consumables as necessary (see torch Owner’s Manual).

arc.

 

 

 

 

 

 

 

 

 

 

Check for damaged torch or torch cable (see torch Owner’s Manual).

 

 

 

 

 

No cutting output; Power light off;

Place Power switch in On position.

Trouble lights off; Ready light off; fan mo-

 

 

tor FM does not run.

 

 

 

 

 

 

 

 

 

 

Place line disconnect device in On position (see Section 4-7).

 

 

 

 

 

 

 

 

Check line fuse(s) and replace if needed or reset circuit breakers (see Section 4-7).

 

 

 

 

 

Pilot arc working; no cutting output; Pow-

Be sure work clamp is connected.

er light on; Ready light on; Trouble lights

 

 

off; fan motor running.

 

 

 

 

 

 

 

 

 

 

Clean or replace worn consumables as necessary (see torch Owner’s Manual).

 

 

 

 

 

No gas/air flow; Power light on; Ready

Have Factory Authorized Service Agent check for proper torch connections. Check operation of gas

light on; Trouble lights off; fan motor

valve GS1, and check gas/air system for leaks.

running.

 

 

 

 

 

 

 

Pressure Trouble light On; Ready light

Check for correct gas/air pressure adjustment (see Section 5-2).

off.

 

 

 

 

 

 

 

 

 

 

Check for sufficient gas/air supply pressure (see Section 4-5).

 

 

 

 

 

 

 

 

Check for dirty air filter/regulator and clean, if needed (see manufacturer’s instructions).

 

 

 

 

 

 

 

 

Check air lines for leaks.

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check pressure switch and control board.

 

 

 

 

 

Cup Trouble light On; Ready light off.

Check torch shield cup (see Section 6-3). Reset power switch.

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check for proper torch connections.

 

 

 

 

 

Temperature Trouble light On; Ready

Inverter heat sink or output heat sink overheating. Allow fan to run; the Trouble light goes out when the

light off.

unit has cooled.

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check control board.

 

 

 

 

 

Trouble lights not working.

Have Factory Authorized Service Agent check unit.

 

 

 

 

 

Power light flashing, Trouble lights off.

Reset power switch.

 

 

 

 

 

OM-202 515 Page 22

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Contents Description OM-202 515CProcesses Page Table of Contents Directives StandardsPlasma Arc Cutting Hazards Symbol UsageMarks a special safety message Cutting can cause fire or explosionARC Rays can burn eyes and skin Exploding Parts can injureFlying Sparks can cause injury Noise can damage hearingCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information UNE Décharge Électrique peut entraîner la mort Signification des symbolesLE Coupage présente un risque de feu ou d’explosion Identifie un message de sécurité particulierLES Fumées ET LES GAZ peuvent être dangereux Risque de blessure en casLE Bruit peut endommager l’ouïe LE Plasma D’ARC peut entraîner des blessuresDES Organes Mobiles peuvent provoquer des blessures LES Bouteilles peuvent exploser si elles sont endommagéesDES Pieces Chaudes peuvent pro- voquer des brûlures graves DES Particules Volantes peuvent blesser les yeuxConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques − Definitions Air Supply Precaution Use Only Oil Free Dry Compressed Air 60 sI1max Symbols And DefinitionsManufacturer’s Rating Label For CE Products I1effDuty Cycle And Overheating − InstallationSpecifications Cutting Speed UPCMovement Do not move or operate unit Dimensions And WeightSelecting a Location Input Voltage Connecting Work Clamp And Gas/Air SupplyElectrical Service Guide Input Amperes At Rated Cutting CapacityConnecting Input Power = GND/PE4070 − OperationControls Setting Gas/Air Pressure Trigger is pressed Sequence Of OperationExample Of Cutting Operation Each Use − Maintenance & TroubleshootingRoutine Maintenance Every WeekTrouble Lights Checking Shield Cup Shutdown SystemTroubleshooting Trouble RemedyOM-202 515 − Electrical Diagram Circuit Diagram For Power Source202 − Parts List Complete AssemblyDia Unitor Mkgs Description Quantity Torch, ICE-80C ICE−80C Consumables Unitor Page Page Owner’s Record