Miller Electric PipePro Dual manual Troubleshooting, Disconnect power before troubleshooting

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9-2. Troubleshooting

 

 

 

 

! Disconnect power before troubleshooting.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

Remedy

 

 

Wire feeds, shielding gas flows, but

Check cable connections. Check cables for continuity, and repair or replace cables if necessary

electrode wire is not energized.

(see Section 5-4).

 

 

Wire feeder is on, display does not light

Check and reset circuit breaker at welding power source.

up, motor does not run, gas valve and

 

welding power source contactor do not

 

pull in.

 

 

 

Electrode wire feeding stops, or feeds

Check gun trigger connection. See gun Owner’s Manual.

erratically during welding.

 

Check gun trigger. See gun Owner’s Manual.

 

 

 

 

 

 

 

 

 

 

 

 

 

Readjust hub tension and drive roll pressure (see Section 5-6).

 

 

 

 

 

 

 

 

 

Change to correct size drive roll (see Table 9-1).

 

 

 

 

 

 

 

 

 

Clean or replace dirty or worn drive roll.

 

 

 

 

 

 

 

 

 

Incorrect size or worn wire guides.

 

 

 

 

 

 

 

 

 

Replace contact tip or liner. See gun Owner’s Manual.

 

 

 

 

 

 

 

 

 

Remove weld spatter or foreign matter from around nozzle opening.

 

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agency check drive motor or motor control board PC1.

 

 

Motor runs slowly.

Check for correct input voltage.

 

 

Wire feeder power is on, displays light

Check welding gun trigger leads for continuity, and repair leads or replace gun.

up, feeder jogs, purges, but unit is in-

 

operative.

 

 

 

When triggered, wire feeds but no gas,

If the welding arc does not establish in 3 seconds after the gun trigger is activated the unit will feed

no contactor.

wire, but turns off contactor and gas valve. If the gun trigger is still activated after two minutes, the

 

 

 

 

wire will stop feeding.

 

 

When triggered, wire feeds, but no

If the gun trigger does not enable output, make sure remote switch is in the correct position

contactor.

(see Section 6-12).

 

 

 

 

 

OM-230 009 Page 32

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Contents OM-230 009F ProcessesDescription File MIG GmawFrom Miller to You Table of Contents Page Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can cause severe burnsFumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyesWelding Wire can cause injury Fire or Explosion hazardFalling Unit can cause injury Moving Parts can cause injuryPrincipal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortDES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LE Bruit peut endommager l’ouïe LES Bouteilles peuvent exploser si elles sont endommagéesRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-230 009 Disconnect input plug or power before working on machine − DefinitionsDrive rolls can injure fingers Keep your head out of the fumesSymbols And Definitions Specifications− Introduction Rating− Installation Typical Connection Diagram For MIG EquipmentTypical Connection Diagram For TIG Equipment Typical Connection Diagram For Stick Equipment Rear Panel Connections And Rotating Drive Assembly Pin Plug Information Pin Pin InformationInstalling And Threading Welding Wire Setting Internal DIP Switches Current Detect Override OFF Factory Default S1-1 And S1-2Right Side Motor Control Board PC1 Left Side Motor PC101 Automatic Run-In OFF S1-1 And S1-2Display Board DIP Switch Settings Factory Set Default Settings For DIP Switches S1 And S4Tools Needed Remove wrapper DIP Switch S1 And S4 Power Switch Left/Right Select Switch− Operation Operational TermsJog/Purge Switch Front Panel ControlsSee Time secProgram Push Button Upper DisplayUpper Display Upper Display Push ButtonSetup Push Button Lower DisplayAdjust Control Welding Sequence DiagramSequence Push Button WeldAuxiliary Menus Wire Feed Speed Units When the Setup button is pressed again, the menu repeatsRange Locks Software Revision LevelRemote-14 Receptacle Information At the same time, as both− Setting Sequence Parameters − Setting Dual Schedule ParametersOptional Dual Schedule Switch Diagrams Sequence Parameters In a ProgramDiagnostics Indicates a com Indicates a trigger Munication error ErrorLED3-Related Error Indications − Maintenance & Troubleshooting Routine MaintenanceDisconnect power before maintaining = Check ~ = Clean = Replace Reference EveryTroubleshooting Disconnect power before troubleshootingTrouble Remedy Material Thickness Gauge − Electrical Diagram Circuit Diagram229 867-A − Parts List 21 −2Part Description Quantity Control Box GS1,101 219 Drive Assembly, Wire Drive Assembly, Wire -1Item203 Drive Roll And Wire Guide Kits Fraction Metric Kit Roll Wire SizeRoll Drive Roll Drive KitService Your distributor also givesSupport To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s