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What to do
Change battery (chapter 1 + 5)
Clean speaker opening
Insert battery correctly (chapter 1 + 5)
Switch hearing aid on by completely closing the battery door
(chapter 4)
Insert hearing aid correctly (chapter 6)
Contact your ENT/GP or hearing care professional
Decrease volume (chapter 8 + 9)
Change battery (chapter 1 + 5)
Clean speaker opening
Turn volume up if volume control available (chapter 8 + 9)
Contact you hearing care professional
Change battery within the next 30 minutes (chapter 1 + 5)
Wipe battery and hearing aid with dry cloth