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What to do
Change battery (chapter 3 + 7)
Clean speaker opening/earpiece
Insert battery correctly (chapter 3 + 7)
Switch hearing aid on by completely closing the battery door
(chapter 6)
Insert hearing aid correctly (chapter 8)
Contact your ENT/GP or hearing care professional
Decrease volume (chapter 10 + 11)
Change battery (chapter 3 + 7)
Clean speaker opening/earpiece
Turn volume up if volume control available (chapter 10 + 11)
Contact you hearing care professional
Change battery within the next 30 minutes (chapter 3 + 7)
Wipe battery and hearing aid with dry cloth