151
EN
Irregular wire feed speed
Cause: Hole in the contact tip is too narrow
Remedy: Use a suitable contact tip
Cause: Faulty inner liner in welding torch
Remedy: Check the inner liner for kinks, dirt, etc.
Cause: The feed rollers are not suitable for the wire electrode being used
Remedy: Use suitable feed rollers
Cause: Feed rollers have the wrong contact pressure
Remedy: Optimise the contact pressure
Wire buffer empty
Cause: Counter lever on main wirefeeder open
Remedy: Close counter lever on main wirefeeder
Acknowledge service code by pressing wire threading button
Cause: Main wirefeeder slipping
Remedy: Check wearing parts on wirefeeder
Use suitable feed rollers
Decrease wire braking force
Increase contact pressure on main wirefeeder
Acknowledge service code by pressing wire threading button
Cause: End of wire reached
Remedy: Check whether sufficient wire is available
Acknowledge service code using wire threading button
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
Welding torch becomes very hot
Cause: The specification of the welding torch is inadequate
Remedy: Observe the duty cycle and loading limits
Cause: Only on water-cooled systems: Inadequate coolant flow
Remedy: Check coolant level, coolant flow, for coolant contamination, etc. For further
information refer to the cooling unit operating instructions.