Regular maintenance is needed to keep your devices in optimal shape. Minor issues can be fixed in-office, usually on the same day. If the damage is more extensive, then a manufacturer repair may bRegular maintenance is needed to keep your devices in optimal shape. Minor issues can be fixed in-office, usually on the same day. If the damage is more extensive, then a manufacturer repair may be recommended. In this instance, loaner hearing aids are discussed on a case by case basis. e recommended. In this instance, loaner hearing aids are discussed on a case by case basis.