A breach of warranty occurs when the promise is broken , i.e. , a product is defective or not as should be expected by a reasonable buyer .

It is breach of warranty when the promise is broken , i.e. , a product is defective or not as good as should be expected by a reasonable buyer . Breach of warranty A warranty is violated when the promise is broken ; when goods are not as should be expected , at the time the sale occurs , whether or not the defect is apparent .
