Hey all, sorry to bring this thread back from the dead, but did anyone ever get anywhere with this? I have the same welder, lent it to a friend (horrible mistake) when it was returned to me the drive rollers don't turn when the trigger is pulled.
Seems like the same issue OP was having - when I pull the trigger I hear the relay click, but the wire feed remains inactive. I used a battery to test the motor, it turns when it gets power, so my guess is something was wrong at the board; however nothing looked problematic. I decided to take the board out to have a more thorough look and it appears that the connection between the wire feed pot and the pcb was broken (either that, of I broke it while removing it, but I don't think that happened).
Could it really be as simple as just replacing that pot?
