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The welding torch becomes very hot
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Contact tip has a short service life
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NOTE!
When using CrNi, the contact tip may be subject to a higher degree of wear due
to the nature of the surface of the CrNi wire electrode.
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The swivel nut on the central connector is loose
Tighten the swivel nut
The torch has been operated beyond its maximum amperage rating.
Lower the welding power or use a higher-capacity torch
The design dimensions of the torch are not sufficient for this task
Respect the duty cycle and loading limits
Only on water-cooled installations: Coolant through-flow is insuffici-
ent
Check the coolant level, through-flow rate, cleanliness of coolant, ar-
rangement of hosepack etc.
Incorrect wirefeeder rollers
Use correct wirefeeder rollers
Wire electrode worn due to excessive contact pressure on the wire-
feeder rollers
Reduce contact pressure on the wirefeeder rollers
Wire electrode contains impurities/is corroded
Use high-quality wire electrode with no impurities
Uncoated wire electrode
Use wire electrode with suitable coating
Wrong dimension of contact tip
Use a contact tip of the correct dimension
Duty cycle of welding torch has been exceeded
Shorten the duty cycle or use a more powerful welding torch
Contact tip has overheated. No thermal dissipation as the contact tip
is too loose
Tighten the contact tip
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