noun
free repair; free servicing
Refers to repair or maintenance work performed without charge, often under warranty or as a goodwill gesture.
保証期間内なら無償修理が受けられます。
You can get a free repair within the warranty period.
メーカーが無償修理を実施すると発表した。
The manufacturer announced that it will carry out free repairs.
有償修理 means paid repair, the opposite of 無償修理.
Compound of 無償 (free of charge) and 修理 (repair).