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Cause Possible remedy
Not loud enough
Low volume Turn up volume; see hearing
healthcare professional for
models without a volume
control or if problem persists
Low battery Replace battery
Custom shells/domes not
inserted properly
See “Putting your hearing
aids on your ears.” Remove
and reinsert carefully
Change in hearing Consult your hearing
healthcare professional
Custom shells/domes
blocked with ear wax
Clean custom shells/domes.
See “Cleaning your hearing
aids.” Consult your hearing
healthcare professional
Plugged microphone
opening
Consult your hearing
healthcare professional
Cause Possible remedy
Intermittent
Low battery Replace battery
Dirty battery contact Consult your hearing
healthcare professional
Two long beeps
Low battery Replace battery
Whistling
Custom shells/domes not
inserted properly
See “Putting your hearing
aids on your ears.” Remove
and reinsert carefully
Hand/clothing near ear Move hand/clothing away
from your ear
Poorly fitting custom
shells/domes
Consult your hearing
healthcare professional