Originally Posted by Brownie31
Thats what happens when a welder isn't set hot enough, no penetration on the one side. Get it ground out and rewelded, it will be fine.
That is very poor prep work right there. There is likely more issues than just heat setting here. Judging from the picture there was no penetration into the metal. Probably poorly grounded, mill scale not removed from metal. That is really poor quality.
I would have a qualified welder fix it, if the manufacturer won't replace it. Even then I would be concerned with the replacement.
If it was mine I would grind of the weld and reweld it.