Fronius TTW 4500 PAP Manual De Instrucciones página 19

Troubleshooting
Safety
Danger from electric current.
An electric shock can be fatal.
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Troubleshooting
Arc not igniting
Cause:
Remedy:
Cause:
Remedy:
Insufficient shielding gas cover
Cause:
Remedy:
HF is conducted to robot
Cause:
Remedy:
HF does not ignite on workpiece
Cause:
Remedy:
WARNING!
Before carrying out any work on the welding torch:
Turn the power source mains switch to the "O" position
Unplug the power source from the mains
Put up an easy-to-understand warning sign to stop anybody inadvertently switching
it back on again
Tungsten electrode dirty
Clean tungsten electrode
Tungsten electrode positioned incorrectly
Position tungsten electrode correctly
No gas lens in welding torch
Fit gas lens
Electrically-conductive robot flange fitted
Fit plastic robot flange
No pilot arc
Fit pilot arc and connect pilot arc adapter
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