Miller Electric Axcess 300 manual Troubleshooting, Trouble Remedy

Page 42

9-5. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

Remedy

 

 

 

 

 

 

 

 

No weld output; completely inoperative

Place line disconnect in On position (see Section 4-11).

 

 

 

 

 

 

 

Check and replace line fuse(s), if necessary, or reset circuit breaker

 

 

 

(see Section 4-11).

 

 

 

 

 

 

 

Check for proper input power connections (see Section 4-11).

 

 

 

 

No weld output; meter display on with no

Check to see if the contactor indicator light is lit when contactor line is asserted on.

error displayed.

 

 

 

 

 

Erratic or improper weld output with no

Use proper size and type of weld cable (see Section 5-1).

errors displayed.

 

 

 

 

 

 

 

 

Clean and tighten all weld connections.

 

 

 

 

No 115 volts AC at the duplex

Reset supplementary protector CB1.

receptacle.

 

 

 

 

 

Wire does not feed.

Check supplementary protector CB2 and reset if necessary.

 

 

 

 

 

 

 

Check motor control cable connections.

 

 

 

 

Wire feeds erratically.

Readjust hub tension.

 

 

 

 

 

 

 

Readjust drive roll pressure.

 

 

 

 

 

 

 

Clean or replace dirty or worn drive rolls.

 

 

 

 

 

 

 

Remove weld spatter around the nozzle opening.

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

Check motor control cable connections.

 

 

 

 

Wire feeds as soon as power is supplied.

Check gun trigger. See gun Owner’s Manual.

 

 

 

 

Wire stubbing on low end using a

Increase output setting of the power source.

constant current power source.

 

Check voltage sense lead connection, clean and tighten if necessary.

 

 

 

 

 

 

 

Gas does not flow or does not stop flow-

Check gas valve and flow meter.

ing; wire feeds.

 

 

 

 

 

Wire burns back to gun contact tip when

Check to be sure that volt sense lead is connected to the work.

using electrode negative (straight

 

polarity) process.

 

 

 

 

 

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Contents
Description OM-230 032CProcesses File Advanced Manufacturing SystemsFrom Miller to You Table of Contents − Troubleshooting Directives StandardsDecstat1/07 Page Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burnsWelding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyesFalling Unit can cause injury Welding Wire can cause injuryFire or Explosion hazard Moving Parts can cause injuryEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings 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 Risque D’INCENDIE OU D’EXPLO LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées 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-230 032 Manufacturer’s Warning Label Definitions Disconnect input plug or power before working on machine− Definitions Keep your head out of the fumesWeee Label I1eff Symbols And DefinitionsI1max Manufacturer’s Rating Label− Installation SpecificationsDimensions And Weight 100% Duty Cycle At 225 Amperes Duty Cycle And OverheatingVolt-Ampere Curves OverheatingMovement Tipping Do not move or operate Connection DiagramSelecting a Location LocationReceptacle supplies Rear Panel Receptacles And Supplementary Protectors115 V 10 a AC Receptacle RC2 From RC2 is limited by supplementaryConnecting To Weld Terminals Network Wire Feeder Receptacle Functions PinElectrical Service Guide ThreeInput Voltage 400 Input Amperes At Rated Output Connecting Input Power Welding Power Source Input Power ConnectionsDisconnect Device Input Power Connections − Recommended Setup Procedures Selecting Weld Cable SizesWelding Circuit Gun TravelWCL Current Flow PathBad BetterBest Using Multiple Welding Power Sources Bad Setup Wire Feeder Drop in the workpiece. The voltage dropBetter Setup Supporting separate voltage feedback to OM-230 032Best Setup Front Panel Switches − OperationOptions − Maintenance Routine MaintenanceBlowing Out Inside Of Unit Servicing Hazards − Safety Precautions for ServicingShock Hazard from testing Exploding Parts can cause injury California Proposition 65 Warnings − Troubleshooting Removing Cover and Measuring Input Capacitor VoltageWeld Process Board PC4 Diagnostic LED’s Diagnostic LED’s On Process Board PC4Status Diagnosis Red Network And Module Status LED’s Network Status LED’sModule Status LED’s Circuit board is operating normallyTroubleshooting Trouble RemedyOM-230 032 − Electrical Diagrams Circuit Diagram For Welding Power Source229 810-A − Parts List − Fig17 − Fig 1411 HD2 Windtunnel Assembly LH And RH Windtunnel Assembly LH And RH 1Item Top Tray Assembly Rear Panel Assembly Front Panel Assembly Dia Part Page Service Your distributor also givesSupport For assistance in filing or settling claims, contact To locate a Distributor or Service Agency visitMiller Electric Mfg. Co Your distributor and/or equipment manufacturer’s
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