Miller 301571 Kullanıcı El Kitabı - Sayfa 23

Kaynak Sistemi Miller 301571 için çevrimiçi göz atın veya pdf Kullanıcı El Kitabı indirin. Miller 301571 36 sayfaları. Air and water-cooled guns

7-3. Troubleshooting Table

Trouble

No wire feed at gun, feeder not operat-

ing. Check motor or brake solenoid.

No wire feed at gun, feeder operating

properly.

Wire feeds, but welding wire is not

energized.

Wire feeds erratically.

Wire feeds one speed only.

Pressing gun trigger does not energize

feeder. Welding wire is not energized.

Shielding gas does not flow.

Wire feeds, shielding gas flows, but

welding wire is not energized.

Reset circuit breaker at power source. See power source owner's manual.

Replace trigger-switch and test operation.

Check trigger-switch wires for continuity.

Reset circuit breaker in feeder/control box and check for short in motor leads. See feeder/control owner's

manual.

Check potentiometer with meter and replace if necessary.

Check motor and potentiometer wires for continuity.

See feeder/control owner's manual.

Clean and tighten all power connections.

See feeder/control owner's manual.

Check operation of welding power source.

Check conduit for wear and obstruction and replace if necessary.

Check contact tip for correct size and replace if necessary.

Check pressure roll tension setting (see Section 6-2).

Check for proper head tube liner (see Table 9-7).

Check potentiometer with meter and replace if necessary.

Check continuity of welding gun wire feed speed potentiometer and replace if necessary.

See feeder/control owner's manual.

Secure plug from gun control cable into gun control receptacle on feeder.

Have nearest Factory Authorized Service Agent check optional water flow switch, if applicable.

See Troubleshooting section in welding power source manual.

Disconnect power before troubleshooting.

Remedy

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