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1: No arc
Possible Reason Suggested Remedy
 
 
 
2: Porosity − small cavities or holes resulting from gas pockets in weld metal.
Possible Reason Suggested Remedy
 




 
3: Excessive Spatter
Possible Reason Suggested Remedy
 
 
3: Weld sits on top, lack of fusion
Possible Reason Suggested Remedy
 




 
4: Lack of penetration
Possible Reason Suggested Remedy
 
 
 

5: Excessive penetration - burn through
Possible Reason Suggested Remedy
 
 
6: Uneven weld appearance
Possible Reason Suggested Remedy
 
7: Distortion − movement of base metal during welding
Possible Reason Suggested Remedy
 
 




8: Electrode welds with different or unusual arc characteristic
Possible Reason Suggested Remedy
 


MMA (Stick) WELDING TROUBLE SHOOTING
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