27 Warranties and repairs
ReSound provides a warranty on hearing aids in the event of defects in workmanship or materials,
as described in applicable warranty documentation. In its service policy, ReSound pledges to secure
functionality at least equivalent to the original hearing aid. As a signatory to the United Nations Global
Compact initiative, ReSound is committed to doing this in line with environment-friendly best practices.
Hearing aids therefore, at ReSound's discretion, may be replaced by new products or products manufac-
tured from new or serviceable used parts, or repaired using new or refurbished replacement parts. The
warranty period of hearing aids is designated on your warranty card, which is provided by your hearing
For hearing aids that require service, please contact your hearing care professional for assistance.
ReSound hearing aids that malfunction must be repaired by a qualified technician. Do not attempt to
open the case of hearing aids, as this will invalidate the warranty.
28 Temperature test, transport, and storage information
ReSound hearing aids are subjected to various tests in temperature and damp heating cycling between
-13°F and 158°F according to internal and industry standards.
During transport or storage, the temperature should not exceed the limit values of -4°F and 140°F and
relative humidity of 90% RH, non-condensing (for limited time). The air pressure between 500 hPa and
1,100 hPa is appropriate.