We had to return the hairdryer to the store because it was faulty.

我们不得不将吹风机退回商店，因为它有残损。

《牛津词典》

Simply return your damaged or faulty phone to our store and it will be exchanged for a loan phone until your phone has been repaired.

只要你把你损坏或有故障的手机拿回我们商店，在你的手机修好前，我们会提供备用电话。

youdao

Consumers have the right to return faulty goods and demand a refund from the supplier.

消费者有权退回有瑕疵的商品，要求供应商退还款项。

youdao

The draft bill will also outline detail such as amount of time consumers have to return faulty goods for repair, replacement or refund.

BBC: Finance

At the end of our first 20-minute shift, we produced only 13 cars (instead of 18, our target), with a total of 25 defects, which meant we would have to return Saturday for unscheduled overtime to fix the faulty cars and meet our production goals.

FORBES: My New Appreciation For The American Auto Worker