YOU SAID:
If a manufacturer's warranty covers the damage you did, you didn't do enough damage.
INTO JAPANESE
製造元の保証がお客様の損害をカバーしている場合は、十分な損害を与えませんでした。
BACK INTO ENGLISH
If the manufacturer's warranty covers the damage of the customer, it did not give adequate damage.
INTO JAPANESE
製造元の保証が顧客の損害をカバーする場合、適切な損害を与えませんでした。
BACK INTO ENGLISH
If the manufacturer's warranty covers the damage of the customer, it did not give adequate damage.
That didn't even make that much sense in English.