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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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