Service manual
for power cells
for service personnel only
3
Important safety information
This section contains important safety information
regarding the power cell. For more safety information,
refer to the safety manual and the user guide supplied
with the hearing inruments.
General warnings
WARNING
A power cell (lithium-ion rechargeable battery) is
permanently built into your hearing inrument.
Incorrect use of the power cell or the hearing
inrument can cause the power cell to bur.
Risk of injury, re or explosion!
XFollow the safety inructions for power cells in
this section.
Do not use the power cell in explosive atmospheres.
Keep each power cell sealed in the original packaging
until it is ready to be used.
Do not use power cells that are deformed or obviously
damaged.
4
Avoid short circuiting of power cells: Power cells removed
from their packaging should not touch each other.
Handle the power cells with great care:
■ Do not drop or damage them (e.g. crush, pierce or
open them).
■ Protect them from moiure and do not immerse them
in water.
■ Protect them from extreme heat and sunlight.
Store the power cells in a cool, dry place with good
ventilation.
Keep the power cells away from foodus.
Keep the power cells out of reach of children.
Do not place the power cells in your mouth and do not
swallow them.
Observe the operating, transport and orage
conditions in the hearing inrument's user guide.
Disposal
XDo not dispose of power cells or hearing inruments
in re or water.
XAvoid short circuiting of power cells: Prior to disposal,
enclose each power cell in a battery container or cover
the terminals.
5
Storage periods
Unused power cells and hearing inruments loose their
charge. Observe the following orage periods to avoid
deep-discharge:
■ Power cells and hearing inruments that have not
been activated or used can be
ored up to 15 months after
production date. The production
date is printed on the power cell:
Day (DD), month (MM) and la
digit of the year (Y) of production
is printed on the power cell.
Example: 21056XX = 21 of May 2016.
■ Once a power cell is activated, in order for it to remain
in good condition it needs to be charged at lea every
6 months.
6
Replacing the power cell
NOTICE
XThis maintenance task mu be performed by
service personnel only.
RIC type 1
If the run time of the hearing inruments over the day is
not sufficient anymore, the power cell can be replaced.
The procedure and order number of the power cell
depends on the housing type:
RIC type 1 new RIC type 1 previous model
■ No silicone wrapper on
power cell
■ No notch on top housing
■ Order number power
cell: 109 494 96
■ With silicone wrapper on
power cell
■ With notch on top
housing
■ Order number power cell:
109 406 99
7
Disassembling
XRemove the receiver unit and the axles.
XInsert the included tool into the front end of the hearing
inrument and detach the bottom housing.
You may feel some resiance since the hearing
inrument sits rmly in the bottom housing.
RIC type 1 new:
RIC type 1 previous model:
8
XRemove the top housing:
RIC type 1 new: Pull o the top housing. No tool is
required.
RIC type 1 previous model: Use the included tool to
remove the top housing. Do not use sharp tools.
XOnly RIC type 1
previous model: Pull o
the power cell's silicone
wrapper.
XPull out the power cell in
the direction of the arrow.
You may feel some
resiance since the
power cell sits rmly in
the housing.
9
Assembling
XInsert the new power cell.
Ensure that the power cell is in the correct position:
Check the position of the copper band and of the
notch in the image.
XOnly RIC type 1 previous model: Slide the new
silicone wrapper onto the power cell and ensure that it
sits correctly and tightly.
10
XInall the top housing:
RIC type 1 new: Inall the top housing from back r.
RIC type 1 previous model: Ensure that on both
sides of the hearing inrument the notches of the
top housing match the marked lines. The top housing
clicks noticeably into place.
XInall the bottom housing from
back r, then push in the
front.
11
XAttach the axles. Note the dierent lengths and
diameters of the axles.
RIC type 1 new RIC type 1
previous model
L
4
L4L
L
2
L
3
XCheck the joint between top and bottom housing. It
mu be even and very narrow.
If it is uneven or wide, the silicone wrapper may not sit
correctly. Disassemble the hearing inrument again
and improve the position of the silicone wrapper.
XAttach the receiver unit.
XFully charge the hearing inrument with the new
power cell before r use. This takes approximately
4 hours.
12
RIC type 2
Order number power cell: 109 494 96
Disassembling
XRemove the receiver unit and the axles.
XInsert the included tool into the front end of the hearing
inrument and detach the top housing.
13
XRemove the push button.
XPull o the bottom housing. No tool is required.
XPull out the power cell in the direction of the arrow.
You may feel some resiance since the power cell sits
rmly in the housing.
14
Assembling
XInsert the new power cell.
Ensure that the power cell is in the correct position:
Check the position of the copper band and of the
notch in the image.
XInall the bottom housing from back r.
click
XPlace the
push button on
the inrument as
illurated in the
picture.
15
XInall the top
housing.
XAttach the axles. Note the dierent lengths and
diameters of the axles.
L1
L2
L3
XAttach the receiver unit.
16
BTE type 1
Order number power cell: 109 494 96
Disassembling
XRemove the earhook or the ThinTube with adapter.
Remove earhook:
Remove ThinTube with adapter:
➌
➋
➊
17
XRemove the axles from
the housing.
XDetach the top housing and remove the push button.
➋➊
XPull o the bottom
housing.
18
XPull out the power cell in
the direction of the arrow.
You may feel some
resiance since the
power cell sits rmly in
the housing.
Assembling
XInsert the new power cell.
Ensure that the power cell is in the correct position:
Check the position of the copper band and of the
notch in the image.
XAlign bottom housing and
inrument. Then inall the
bottom housing.
19
XInall the push button and the top housing.
➋
➊
XAttach the axles. Note
the dierent lengths and
diameters of the axles.
20
XInsert the side indicator.
XAttach the suitable ThinTube with adapter or attach an
earhook to the hearing inruments.
Attach earhook:
➌
Attach ThinTube and adapter:
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