Troubleshooting; Safety - Fronius Robacta Ttw 4500 Bedienungsanleitung

Troubleshooting

Safety

Danger from electrical current.
This can result in serious personal injury and damage to property.
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Troubleshooting
Arc not igniting
Cause:
Remedy:
Cause:
Remedy:
Insufficient shielding gas cover
Cause:
Remedy:
26
WARNING!
Before starting work, switch off all devices and components involved and dis-
connect them from the grid.
Secure all devices and components involved so they cannot be switched back
on.
After opening the device, use a suitable measuring instrument to check that
electrically charged components (such as capacitors) have been discharged.
Tungsten electrode dirty
Clean tungsten electrode
Tungsten electrode positioned incorrectly
Position tungsten electrode correctly
No gas lens in welding torch
Fit gas lens