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1: Tungsten burning away quickly
Possible Reason Suggested Remedy
 
 
 

 
 
 








2: Contaminated tungsten
Possible Reason Suggested Remedy








 

3: Porosity - poor weld appearance and colour
Possible Reason Suggested Remedy
 
 

 
 
 
 
4: Yellowish residue / smoke on the alumina nozzle & discoloured tungsten
Possible Reason Suggested Remedy
 
 
 



5: Unstable Arc during DC welding
Possible Reason Suggested Remedy
 
 
 
 


TIG WELDING TROUBLE SHOOTING
6: HF present but no welding power
Possible Reason Suggested Remedy
 

 

 

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