User Manual

30
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 completely
closed
The battery does not
work
Insert a new battery in
the hearing aid
The hearing
aid volume is
not powerful
enough
The battery is nearly
exhausted
Insert a new battery in
the hearing aid
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 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
a. The DEX is used
beyond the trans-
mission range
b. Strong electro-
magnetic interfer-
ence in the vicin-
ity
c. The DEX and the
hearing aids are
not matched
a. Move the DEX closer
to the hearing aids
b. Move away from
known source of EM
interference
c. Check with your
hearing care profes-
sional to make sure
DEX is matched with
hearing aids