User manual

25
IN CASE OF MALFUNCTION
Problem Potential 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 doc-
tor/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 doc-
tor/physician
Your two
hearing aids
are not work-
ing in syn-
chrony
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