- ページ 33

溶接システム Miller 394FのPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Miller 394F 44 ページ。 Dual wire feeder

8-3. Troubleshooting

Trouble

Wire feeds, shielding gas flows, but

electrode wire is not energized.

Electrode wire feeding stops or feeds

erratically during welding.

erratically during welding

Motor runs slowly.

Wire feeder power is on, displays light

up, but unit is inoperative.

Y Disconnect power before troubleshooting

Check and secure weld cable connections (see Section 4-2).

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

Check gun trigger. See gun Owner's Manual.

Readjust hub tension and drive roll pressure (see Section 4-6).

Change to correct size drive roll (see 4-6).

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.

Check for correct input voltage.

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

Remedy

OM-222 394 Page 29