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Irregular wirefeed speed
The wire electrode forms a loop between the feed rollers and the wire inlet nozzle of the
welding torch
Cause: The braking force has been set too high
Remedy: Loosen the brake
Cause: The borehole of the contact tube is too narrow
Remedy: Use a suitable contact tube
Cause: Faulty inner liner in welding torch
Remedy: Check the inner liner for kinks, dirt etc.
Cause: The wirefeed rollers are not suitable for the wire electrode being
used
Remedy: Use suitable wirefeed rollers
Cause: Feed rollers have the wrong contact pressure
Remedy: Optimise the contact pressure
Wirefeed problems
when using long hosepacks
Cause: Incorrect arrangement of hosepack
Remedy: Arrange the hosepack in as straight a line as possible, avoid tight
bends
The welding torch becomes very hot
Cause: The design dimensions of the welding torch are not sufficient for this
task
Remedy: Observe the duty cycle and loading limits
Cause: Only on water-cooled machines: Coolant flow is insufficient
Remedy: Check the water level, water flowrate, its cleanliness, etc.
Troubleshooting
the wirefeeder
(continued)
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