[Cause]
This error is issued from the stud welding equipment (welding controller) when the voltage sensor detects that the arc voltage is too low during welding. It will also cause welding Decrease in connection quality.
[Countermeasure]
The stud inspection device automatically checks the welding quality. If the welding quality is poor, confirm the position of the welding gun during welding so that the electrode head is in the correct position. exact location.