Miller 300741 소유자 매뉴얼 - 페이지 21

{카테고리_이름} Miller 300741에 대한 소유자 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Miller 300741 32 페이지. Mpa drive assembly

6-3. Troubleshooting

Trouble

Electrode wire feeding stops or feeds er-

ratically during welding.

Motor runs slowly.

Motor runs at full speed regardless of

wire speed setting.

Notes

Readjust hub tension and drive roll pressure.

Change to correct size drive roll.

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 gun nozzle opening.

Check and secure motor plug connection.

Have Factory Authorized Service Agent check drive motor.

Reduce load.

Check for correct input voltage.

Have Factory Authorized Service Agent check digital wire drive motor Tachometer board and encoder.

Remedy

OM-247517 Page 17