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Poor wirefeed
Cause:
AlSi welding wire: The wire is being damaged by the bronze insert in the inner liner
Remedy:
The Teflon inner liner must reach all the way up to the contact tube
Cause:
After being cut to length, the inner liner is too short
Remedy:
Exchange the inner liner and shorten it to the correct length
Cause:
The wire is being abraded due to excessive contact pressure on the wirefeed rollers
Remedy:
Reduce the contact pressure on the wirefeed rollers
Cause:
Welding wire is dirty / slightly rusty
Remedy:
Use only high-quality wires that are free of contaminants
The welding torch becomes very hot
Cause:
The swivel nut on the central connector is loose
Remedy:
Tighten the swivel nut
Cause:
The torch has been operated beyond its maximum amperage rating.
Remedy:
Lower the welding power or use a higher-capacity torch
Cause:
The design dimensions of the torch are not sufficient for this task
Remedy:
Respect the duty cycle and loading limits
Cause:
Only on water-cooled installations: Coolant through-flow is insufficient
Remedy:
Check the coolant level, through-flow rate, cleanliness of coolant, arrangement of hosepack etc.
Contact tubes only give a short service life
Cause:
Wrong wirefeed rollers
Remedy:
Use correct wirefeed rollers
Cause:
The wire is being abraded due to excessive contact pressure on the wirefeed rollers
Remedy:
Reduce the contact pressure on the wirefeed rollers
Cause:
Welding wire is dirty / slightly rusty
Remedy:
Use only high-quality wires that are free of contaminants
Cause:
Uncoated welding wire
Remedy:
Use a welding wire with a suitable coating
Cause:
Wrong dimension of contact tube
Remedy:
Use a contact tube of the correct dimension
Cause:
Duty cycle of welding torch has been exceeded
Remedy:
Shorten the ON-times or use a higher-capacity torch
Cause:
Contact tube has overheated. No thermal dissipation, as the contact tube is fitted too loosely
Remedy:
Tighten the contact tube
NOTE! When using CrNi, the contact tube may be subject to a higher degree of wear due to the
nature of the surface of CrNi welding wire.
Torch trigger malfunctions
Cause:
The plug connections between the torch trigger, control lead and power source are faulty
Remedy:
Check each plug connection / send the power source and/or welding torch in for service
Cause:
Dirt between the trigger button and the button housing
Remedy:
Clean out this dirt
Cause:
Dirty contacts in the switch
Remedy:
Clean the contacts / send the torch in for repair
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