Miller XR Python El manual del propietario descargar pdf (Pagina 14)

OM-1500-17 Page 10

5-3. Troubleshooting Table

Y Disconnect power before troubleshooting.

Trouble Remedy

No wire feed at gun, feeder not operat-

ing Check motor or brake solenoid

Reset circuit breaker in feeder/control box. See feeder/control owner’s manual.

ing.

heck motor or brake solenoid.

Replace micro-switch and test operation.

Check micro-switch wires for continuity.

No wire feed at gun, feeder operating

properly.

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.

Wire feeds, but welding wire is not ener-

gized

Clean and tighten all power connections.

gized.

See feeder/control owner’s manual.

Check operation of welding power source.

Wire feeds erratically.

Check conduit for wear and obstruction and replace if necessary.

Check contact tip for correct size and replace if necessary.

Check for missing or damaged lock washer under idler roll.

Wire feeds one speed only.

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.

Wire walks out of drive rolls.

Idler roll upside down, place groove in idler roll towards top.

Rear wire guide missing, replace wire guide.

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Miller XR Python El manual del propietario Pagina 14