Miller Electric DS-2 manual Maintenance & Troubleshooting, Routine Maintenance, Months

Page 18

SECTION 5 – MAINTENANCE & TROUBLESHOOTING

5-1. Routine Maintenance

YDisconnect power before maintaining.

3 Months

Replace

Unreadable

Labels

Repair Or

Replace

Cracked

Weld Cable

Clean And

Tighten

Weld

Terminals

Replace

Cracked

Parts

10-Pin Cord

Gun Cable

Gas Hose

6 Months

Clean

Drive

Rolls

Blow Out Or Vacuum

ORInside,

During Heavy Service,

Clean Monthly

5-2. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

Remedy

 

 

 

No weld output; unit completely

 

Place line disconnect switch in On position (see welding power source owner’s manual).

inoperative.

 

 

 

 

 

 

 

 

 

 

 

Check and replace line fuse(s), if necessary, or reset circuit breaker (see welding power source

 

 

 

 

owner’s manual).

 

 

 

 

 

 

 

 

 

Check for proper input power connections (see welding power source owner’s manual).

 

 

 

 

 

 

 

 

 

Check for proper jumper link position (see welding power source owner’s manual).

 

 

 

No weld output; Power switch pilot

 

Check, repair, or replace feeder (see welding power source owner’s manual).

light on.

 

 

 

 

 

 

 

 

 

 

 

Unit overheated. Allow unit to cool with fan On (see welding power source owner’s manual).

 

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check control board PC1 and/or motor drive board PC2.

 

 

 

Unit provides only maximum or

 

Have Factory Authorized Service Agent check control board PC1, motor drive board PC2 and Hall

minimum weld output.

 

Device HD1.

 

 

 

Erratic or improper weld output.

 

Use proper size and type of weld cable (see welding power source owner’s manual).

 

 

 

 

 

 

 

 

 

Clean and tighten all weld connections.

 

 

 

 

 

 

 

 

 

Check wire feeder installation (see Section 3-3

 

 

 

 

 

 

 

 

 

Use proper tap on stabilizer (see welding power source owner’s manual).

 

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check control board PC1, motor drive board PC2 and/or

 

 

 

 

SCR in main rectifier.

 

 

 

No 115 volts ac output at duplex re-

 

Reset circuit breaker CB1 (see welding power source owner’s manual).

ceptacle.

 

 

 

 

 

OM-197 509 Page 14

 

 

Image 18
Contents DS-2 From Miller to You Table of Contents Page Symbol Usage YMarks a special safety messageArc Welding Hazards ARC Rays can burn eyes and skin Principal Safety Standards Fire or Explosion hazardEMF Information About PacemakersDefinitions Installation SpecificationsSite Selection Equipment Connection Diagrams Installing Wire Guides And Drive RollsPin Plug PLG8 Information Pin Plug PLG1 InformationPin Plug And Shielding Gas Connections Connecting Weld Cable Connecting Welding Gun Changing NameplatesInstalling Wire Spool And Adjusting Hub Tension Remove retaining ring. Slide wireThreading Welding Wire WoodOperation Pendant ControlsUse Nameplates As a Voltage And Amperage Reference Only Troubleshooting Maintenance & TroubleshootingRoutine Maintenance YDisconnect power before maintainingCheck for and remove anything blocking fan movement Electrical Diagram Circuit Diagram For Wire FeederOM-197 509 Parts List Main AssemblyOptional Pendant Assembly Page Page Service SupportOwner’s Record