User manual

27
IN CASE OF MALFUNCTION
Problem Possible cause Solution
The hearing
aid is com-
pletely silent
The hearing aid is
not turned on
Make sure the battery
drawer is closed
The battery does not
work
Insert a new battery in
the battery drawer
The hearing
aid volume is
not powerful
enough
Your ear is blocked
by earwax
Contact your ENT
doctor/physician
Your hearing may
have changed
Contact your hearing
care professional
The hearing
aid whistles
continuously
Your ear is blocked
by earwax
Contact your ENT
doctor/physician
Your two
hearing aids
are not
working in
synchrony
The connection
between the hearing
aids is lost
Turn the hearing aids
off and on again
The hearing
aids do not
respond with
a correspond-
ing change in
volume or
program to
the DEX
The DEX is used
beyond the trans-
mission range
Move the DEX closer to
the hearing aids
Strong electromag-
netic interference in
the vicinity
Move away from known
source of EM interfer-
ence
The DEX and the
hearing aids are not
matched
Check with hearing care
professional to make
sure DEX is matched
with the hearing aids