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The welding torch becomes very hot
Cause:
Loose union nut on central connector
Remedy:
Tighten the union nut
Cause:
The welding torch has been operated beyond its maximum number of amps.
Remedy:
Reduce welding power or use a higher capacity torch
Cause:
The design dimensions of the torch are not sufficient for this task
Remedy:
Observe the duty cycle and loading limits
Cause:
Only on water-cooled machines: Water flow rate is insufficient
Remedy:
Check water level, water flow rate and cleanliness, and arrangement of hose pack, etc.
Contact tube only has a short service life
Cause:
Wrong feed rollers
Remedy:
Use correct feed rollers
Cause:
Welding wire worn due to overly heavy contact pressure at the feed rollers
Remedy:
Reduce contact pressure at the feed rollers
Cause:
Filler wire contains impurities / corroded
Remedy:
Use high-quality filler wire with no impurities
Cause:
Uncoated filler wire
Remedy:
Use filler wire with 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 loose
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.
Feeder inching button malfunction
Cause:
Plug-in connections of „feeder inching button/control line/power source" faulty
Remedy:
Check plug-in connection / have power source or welding torch serviced
Cause:
Control line is faulty
Remedy:
Replace control line / have welding torch repaired
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