Troubleshooting
Issue
Potential cause
Potential solution
Feedback, "whistling"
Is the hearing aid inserted correctly?
Re-insert it.
Is the volume very loud?
Reduce it.
Are you holding an object (e.g. a hat, a telephone
receiver) close to the hearing aid?
Move your hand away to create
more space between the hearing
aid and the object.
Is your ear full of wax?
Visit your physician.
No sound
Is the hearing aid turned on?
Switch it on.
Is there a battery in the hearing aid?
Insert a new battery.
Is the battery still good?
Replace with a new one.
Is your ear full of wax?
Visit your physician.
42
Troubleshooting
Summary of Contents for ReSound Key CSI12
Page 1: ...User guide ReSound Custom hearing aids ...
Page 4: ...4 ...
Page 73: ...Notes Additional information 73 ...
Page 74: ...Notes 74 Additional information ...