Miller XR Python 25 Ft. Manuel du propriétaire - Page 14
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5-3. Troubleshooting Table
Trouble
No wire feed at gun, feeder not operat-
ing. Check motor or brake solenoid.
ing Check motor or brake solenoid
No wire feed at gun, feeder operating
properly.
Wire feeds, but welding wire is not ener-
gized.
gized
Wire feeds erratically.
Wire feeds one speed only.
Wire walks out of drive rolls.
OM-1500-17 Page 10
Y Disconnect power before troubleshooting.
Reset circuit breaker in feeder/control box. See feeder/control owner's manual.
Replace micro-switch and test operation.
Check micro-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 for missing or damaged lock washer under idler roll.
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.
Idler roll upside down, place groove in idler roll towards top.
Rear wire guide missing, replace wire guide.
Remedy