Panasonic Electric Toothbrush EW DE92 User Manual

BC  
Operating Instructions  
(Household)  
Sonic Vibration Toothbrush  
Model No.  
EW‑DE92  
Contents  
Safety precautions..................3 Frequently Asked Questions  
(Ion lamp) .......................................14  
Parts identification..........................6  
Troubleshooting ............................15  
Storing and charging the toothbrush  
...........................................................7 Battery life......................................17  
Before cleaning your teeth.............8 Removing the built-in rechargeable  
battery.............................................17  
Using the toothbrush ....................10  
Specifications................................17  
Tips on usage ................................11  
Changing the brush head  
(Sold separately)............................18  
How to clean ..................................13  
Thank you for purchasing this Panasonic product.  
Before operating this unit, please read these instructions completely and save them for future use.  
1
 
3. Do not modify the product. Do not disassemble  
or repair. This may cause fire, electric shock or  
injury. Consult your dealer for repairs or contact  
a service center. Do not disassemble the  
product except when disposing of the battery.  
4. When taking out the battery for disposal, use  
caution not to short the positive (+) and  
negative (–) terminals.  
Safety precautions  
To reduce the risk of injury, loss of life, electric shock, fire,  
malfunction, and damage to equipment or property, always  
observe the following safety precautions.  
Explanation of symbols  
The following symbols are used to classify and describe the level  
of hazard, injury, and property damage caused when the  
denotation is disregarded and improper use is performed.  
5. This product is not intended for use by children.  
CAUTION  
If you are undergoing treatment for any oral care  
condition, consult your dental professional prior to use.  
Denotes a potential  
hazard that will result in  
serious injury or death.  
DANGER  
Denotes a potential  
hazard that could result  
in serious injury or death.  
SAVE THESE INSTRUCTIONS  
WARNING  
Denotes a hazard that  
could result in minor injury.  
CAUTION  
The following symbols are used to classify and describe the type  
of instructions to be observed.  
This symbol is used to alert users to a specific operating  
procedure that must not be performed.  
This symbol is used to alert users to a specific operating  
procedure that must be followed in order to operate the  
unit safely.  
3
 
To prevent the risk of fire due to insulation failure  
by humidity, clean the power plug once every six  
months. Disconnect the power plug and wipe dust  
off with a dry cloth.  
DANGER  
To prevent the potential risk of interference, do not  
use this toothbrush near the vicinity of electronic  
medical devices or home electrical therapy devices  
such as the following:  
To prevent the risk of accident or injury due to  
accidental ingestion of removable parts, do not  
store within the reach of children or infants. Do not  
let them use it.  
Pacemakers and other electronic medical devices  
implanted in the body  
This toothbrush releases minute amount of weak  
current.To prevent accidents or cause them to feel  
unwell, do not use during pregnancy and within one  
month after giving birth.  
Heart-lung machines and other life-supporting  
electronic medical devices  
Wearable electronic medical devices, such as  
electrocardiographs and intravenous drip equipment  
To prevent risk of electric shock or fire, do not  
damage, modify, forcefully bend, pull, twist, or bundle  
cord. Do not wrap the cord around the charger when  
storing.  
This product has a built-in rechargeable battery.To  
prevent the risk of overheating, ignition or explosion,  
do not throw into fire, apply heat, or charge, use, or  
leave in a high temperature environment.  
To prevent the risk of burns or fire, use the supplied  
charger only and do not charge any other product  
with the supplied charger.  
WARNING  
To prevent the risk of personal injury, electric shock  
or fire, immediately stop use and unplug the charger  
from the wall outlet if you observe some abnormality  
in the product. Have the product inspected by an  
authorized service center if the toothbrush or  
charger is deformed of abnormally hot, there is  
smell of burning or abnormal sound.  
CAUTION  
To prevent the risk of injury or damage to teeth and  
gum, do not use this toothbrush if you have severe  
gum disease, have teeth being treated, or are  
concerned about symptoms in your mouth. Consult  
a dentist before using this toothbrush.  
To prevent the risk of electric shock or fire, fully  
insert the power plug.  
4
 
CAUTION  
To prevent the risk of injury or damage to teeth and  
gum, do not use toothpaste that contains a high  
abrasive content, such as toothpaste for removing tar  
or for whitening. Do not apply the brush head strongly  
against teeth or gums, or use it continuously on same  
spot. Do not apply the plastic part of the main unit or  
brush head to teeth.  
To prevent risk of burns, do not place a metallic  
object such as a coin or a clip on top of the charger.  
Notes  
When you first begin using the toothbrush, you may experience slight  
bleeding of the gums even though your gums may be healthy. This is  
because your gums are receiving stimulation by the toothbrush for  
the first time. The bleeding should stop after one or two weeks of use.  
Bleeding that persists for more than two weeks may be indication of  
an abnormal condition of your gums, such as pyorrhea. In this case,  
stop using the toothbrush and consult your dentist.  
5
 
Parts identification  
A Main unit  
1 Ion panel  
B Ionic stain care brush  
Tongue cleaner  
E Charger (RE8-52)  
Cord  
2 Toothbrush shaft  
3 Waterproof rubber seal  
4 Ion lamp  
5 Power switch [0/1]  
6 Mode selector  
7 Mode indicator  
Identification ring  
Extra fine side bristles  
High‑density bristles  
Brush head electrode section  
C Ionic two-way silicone brush  
D Point brush  
Power plug  
Charger base  
Charging section  
Main unit guide  
Brush head storage  
Accessories  
8 Charge status lamp (  
9 Battery capacity lamp (  
)
F Brush stand  
G Travel case  
)
Characteristics of brush bristles ()  
The bristles in the center (high‑density bristles) are arranged in a diamond shape, which is designed for stain care.  
6
 
If not charging constantly  
Storing and charging the toothbrush  
You can fully charge the toothbrush in approx. 17 hours.  
The charging time may decrease depending on the charging  
capacity.  
If the toothbrush stops operating when first using it (immediately  
after purchasing it, or after not using it for 3 months or more) or  
during use, charge the main unit.  
Adequate ambient temperature for charging is 5 °C – 35 °C  
(41 °F – 95 °F).  
A full charge will supply enough power for approx. 90 minutes use.  
Disconnect the power plug when the charge status lamp turns off.  
About storage  
The battery may not charge properly or not at all under extreme  
low or high temperatures.  
You can keep the main unit attached on the charger when not in  
use to maintain the full battery capacity. It will not overcharge the  
main unit.  
Use the main unit guide to store the main unit and the brush head.  
1. Slide and remove the main unit guide, and  
place it on horizontal and stable place.  
The main unit may become warm during use and charging.  
However, this is normal.  
2. Store the main unit and the brush head.  
2
Place the charger on a stable  
horizontal surface such as  
countertop.  
1
Align the main unit so it is  
2
facing forward, and set it  
straight into the charging  
1
section.  
Insert the power plug into the  
household outlet.  
The charge status lamp glows and  
3
3
the charging will start.  
Charging cannot start when the main  
unit is tilted or the bottom of the main  
unit is not in contact with the charging  
section.  
7
 
About the lamp  
Before cleaning your teeth  
The brush head of this sonic vibration toothbrush vibrates at a  
high speed.  
When the battery  
capacity is low  
After charging is  
completed  
While charging  
Therefore:  
You only need to lightly press the bristles against your teeth for  
brushing.  
When first using this appliance, some may experience a tickling  
or tingling sensation caused by the high‑speed vibrations. The  
sensation should subside after you use the toothbrush several  
more times.  
When in use, the main unit of this toothbrush emits a very weak  
electric current (ionic current) in the oral cavity.  
Touching the ion panel with your hand when you hold the main  
unit to brush your teeth causes a very weak electric current (ionic  
current) to flow between your teeth and the brush head.  
The battery  
capacity lamp  
blinks.  
The charge status  
lamp glows.  
The charge status  
lamp turns off  
The toothbrush may not charge even if the charge status lamp  
turns on when a charger other than the supplied charger is used.  
a Brush head (negative  
electrode)  
b Ion panel (positive  
electrode)  
c Very weak electric current  
d Mechanism that generates  
very weak electric current  
The ion lamp on the mechanism that generates the very weak  
electric current (see figure above) turns on or blinks to indicate  
whether ionic power is being applied to the teeth.  
8
 
You can easily see the lamp status if you use a mirror while  
About uses and operating modes  
brushing.  
Brush head  
Use  
Mode  
Description  
Ionic power is not employed with the point brush. (The ion lamp  
blinks.)  
Recommended for  
removing plaque and  
stain care with normal  
tooth brushing  
WHITE  
Pressing the power switch  
Putting the brush in your mouth  
Recommended when  
you feel the WHITE  
mode is too powerful  
Recommended for  
tongue cleaning  
Brushing  
(dental  
plaque  
SOFT  
removal)  
Recommended for  
brushing carefully  
between the teeth and  
gums  
Activates the mechanism that  
generates the very weak  
electric current, and the ion  
lamp blinks on and off.  
Passes a very weak electric  
current in the oral cavity, ionic  
power is activated and the ion  
lamp turns on.  
SENSITIVE  
Uses rhythmical  
Gum care GUM CARE vibrations to care for  
your gums.  
Notes  
Recommended ambient temperature for using is 5 °C – 35 °C  
(41 °F – 95 °F).  
Recommended for  
removing dental plaque  
from between teeth and  
areas where teeth are  
misaligned  
Do not allow hair products (e.g., gel or oil) or hand lotion to come  
in contact with the unit as they may damage its surface.  
Do not forcefully turn the brush head with the brush head  
attached to the main unit. Doing so may cause the brush head or  
main unit to become damaged.  
WHITE  
Point  
brushing  
Recommended when  
you feel the WHITE  
mode is too powerful  
SOFT  
Particularly  
recommended when  
brushing to care for  
areas between teeth  
SENSITIVE  
Stains refer to discoloration on the surface of the teeth due to  
food and drink such as coffee, wine and tea.  
9
 
It is not possible to whiten the color of teeth beyond their original  
color, yellowing teeth due to aging, or discolored teeth.  
Using the toothbrush  
About soft start function (For WHITE mode only)  
The toothbrush will gradually reach the selected speed and  
vibration approximately 2 seconds after it starts operating.  
If dried toothpaste or water stains have adhered to the ion panel,  
the very weak electric current may be unable to pass into the oral  
cavity. Please clean the ion panel.  
About the 30-second brushing notification timer function  
The timer will signal once at 30‑second intervals to indicate the  
brushing time for each part of your mouth. It will signal twice at  
2‑minute intervals to indicate the recommended total brushing time.  
It is important to brush each area in the same sequence and with  
the same amount of time, every time you brush, to uniformly brush  
and clean your teeth.  
Use the 30‑second brushing notification timer function wisely so  
there will be no missed spot in your mouth.  
Divide your teeth into 4 parts (upper  
Place the brush head firmly onto  
the toothbrush shaft.  
1
As shown in the picture, align the front of  
the electrode section of the ionic stain  
care brush or silicone brush with the main  
unit.  
Attaching or removing diagonally or while  
twisting may cause the brush head or the  
main unit to become damaged.  
1
The toothbrush shaft will move when a  
force is applied. This is required for  
operation, and is not a malfunction.  
There will be a small gap between the  
brush head and the main unit.  
and lower, left and right), and brush  
one part in order such as “(1) front of  
the teeth”, “(2) biting plane of the  
teeth”, and “(3) back of the teeth”  
spending 30 seconds at each part.  
Brush the other parts in the same  
manner, and brush your whole mouth  
in about 2 minutes.  
(3)  
(2)  
(1)  
Grasp the main unit.  
The very weak electric current  
may not pass into the oral  
cavity if the toothbrush is held  
in the same way as a pen so  
that your hand does not touch  
the ion panel.  
Please grasp the main unit as  
shown in the figure, so that  
your hand comes in contact  
with the ion panel.  
2
About mode storage function  
This function stores the previously selected mode of operation,  
allowing the same mode to be used again.  
Mode storage is reset if the unit has discharged and has been  
unused for a long period of time, or if the battery has been  
completely drained.  
After charging, the product starts in WHITE mode, however this is  
not a malfunction.  
10  
 
Press the mode selector to select  
the mode.  
The previously selected operating mode is  
stored, and the mode indicator turns on.  
Each time you press the mode selector, the  
mode changes.  
Tips on usage  
3
5
3
How to apply/move when brushing your teeth  
Mode: WHITE/SOFT/SENSITIVE  
For the boundary between the tooth surfaces, or teeth and gums  
Place the bristles at a 45˚ angle.  
(See page 9.)  
45˚  
For the back of the front teeth or misaligned teeth  
Brush vertically.  
Move toothbrush to match the angle of the teeth.  
Place the toothbrush in your mouth.  
4
5
Apply a small amount of toothpaste to the brush head, if  
desired, before turning the power on to prevent the  
toothpaste from spattering.  
For the biting surface (back teeth)  
Apply from top.  
Press the power switch to turn on the main unit.  
During operation, the operating mode changes each time  
the mode change switch is pressed.  
The sound may increase when the brush head is pressed  
too strongly against the teeth, but this is not a malfunction.  
Apply the brush head lightly against the teeth.  
Place the bristles of the brush gently against your teeth and  
move the toothbrush slowly.  
The movement will slow down when the brush head is applied  
too strong.  
Turn off the main unit when you have finished  
6
brushing.  
Turn off the main unit before removing it from your mouth to  
prevent foam from spattering.  
Apply a small amount when using toothpaste.  
11  
 
How to apply/move when cleaning your tongue  
How to use the ionic two-way silicone brush  
Mode: GUM CARE  
Mode: SOFT  
Apply the tongue cleaner so that it barely  
touches the tongue, and move forward  
with slight force from the area that  
becomes dirty.  
Carbon is used in the rubber section, so  
gripping it firmly may cause a black  
powder to adhere to your hands,  
however this is not a safety concern.  
This toothbrush is different to one with a  
brush head with nylon bristles, as there  
is no sense of scouring‑type brushing.  
Be careful when using the brush head  
‑ forcefully pulling or biting the rubber  
section may cause it to come off.  
Repeat several times.  
You may injure your tongue if the tongue  
cleaner is pressed against the tongue  
too hard.  
To prevent emetic response  
Poke your tongue out and apply the brush while you are breathing  
out.  
Do not apply the brush to your teeth. (This  
can cause the silicone brush to degrade.)  
a
“Normal” stiffness  
b “Stiff” stiffness  
Select your preferred stiffness from  
“normal” or “stiff.”  
How to use the point brush  
Mode: WHITE/SOFT/SENSITIVE  
Application to gums/movement  
Use as close as possible to a right angle.  
Use the toothbrush so that the tips of the  
silicone brush bristles are lightly touching  
your gums. Move the brush back and forth  
gently across your entire gums.  
Use in areas where your teeth are misaligned or in  
areas that are hard to reach with a standard brush  
head.  
Use the brush perpendicularly.  
Move the brush gently between your teeth.  
Apply just enough strength so that the tips of the  
brush head bristles are lightly touching your teeth.  
Recommended usage is once a day, for  
approximately 2 minutes.  
Use gently at points of concern. (Use for  
around 10 to 20 seconds at each area.)  
12  
 
After washing with water  
1. Wipe dry with a cloth.  
How to clean  
Do not charge while it is wet.  
2. Return the main unit and the brush head to  
the charger.  
Use mild detergent when cleaning the product with detergent.  
Never use chemical agents such as thinner, benzine, or alcohol.  
Return other brush heads to the brush  
stand.  
Cleaning the main unit and the brush head  
Cleaning and user maintenance should not be made by children.  
Turn off the main unit and remove the  
brush head before cleaning them with  
water.  
If the identification ring comes off  
Put the identification ring back on.  
The identification ring may break if pulling  
it too strong.  
Using the toothbrush without the  
identification ring has no effect on its  
performance. The ring is simply for user  
identification purposes.  
Brush head  
Wash the brush head under running water.  
Carefully wash the inside and the bottom areas of  
the brush head, as well as the brush head  
electrode section.  
Shake well to remove water after washing.  
Do not pull the bristles of the brush.  
Do not force apart the rubber section of the silicone  
brush.  
Cleaning the charger  
1. Slide and remove the main unit guide  
from the charger base.  
Do not wash with water hotter than 80 ˚C (176 °F).  
Do not wash the tongue cleaner excessively with a  
pointed object or fingernails.  
Main unit  
2. Wipe off any dirt on the charger base  
using a soft cloth.  
Wash the main unit under running water.  
Do not rub or damage the waterproof rubber seal.  
Do not immerse the main unit under water.  
Do not wash with water hotter than 40 ˚C  
(104 °F).  
Completely remove any toothpaste or water  
stains from the ion panel.  
13  
 
3. Wash the main unit guide with water.  
Wipe off water after washing.  
Only use water to wash the main unit  
guide.  
4. Wipe the prongs of the power plug with  
a dry cloth about once every 6 months.  
Frequently Asked Questions (Ion lamp)  
The lamp does not turn on, even though the toothbrush is in  
my mouth.  
Q
Moisten your hands and try  
using it again.  
A
Your hands are dry.  
Toothpaste or water stains  
have adhered to the ion  
panel.  
Clean the ion panel  
thoroughly and try using it  
again.  
Cleaning the travel case and the brush stand  
1. Wash with water.  
Hold the main unit so that  
your hand is touching the ion  
panel and try using it again.  
You are brushing without  
touching the ion panel.  
The lamp turns on even though the toothbrush is not in my  
mouth. (This is not a malfunction.)  
Q
A
2. Wipe off water after washing.  
During use, you may have  
touched the ion electrode  
section of the ion panel and  
brush head (or the  
toothbrush shaft) with your  
hand.  
The very weak electric  
current may be flowing  
through the moisture that is  
on your hands.  
If the top case has come off  
The very weak electric  
current may be flowing  
through the moisture  
between the toothbrush  
shaft and the ion panel.  
1. Align the mounting section of  
the top case and the bottom  
case as shown in the figure.  
2. Press the top case in the  
direction indicated by arrows.  
You washed the main unit  
with water while using it.  
2
1
2
1
The very weak electric  
current may be flowing  
through saliva or other  
liquid on the surface of the  
brush head and main unit.  
You removed the brush  
head from your mouth just  
after brushing without  
turning off the power switch.  
14  
 
Troubleshooting  
Problem  
Possible cause  
Action  
The charge status lamp does  
not turn on.  
The toothbrush may not blink or turn on for several  
minutes after starting to charge it, however it will  
turn on if you continue to charge it. If it continues  
to blink after a while, contact an authorized  
service center for repair.  
You have just purchased the toothbrush or  
have not used it for a while.  
The charge status lamp is  
blinking rapidly.  
(Twice every second)  
Charge the toothbrush within the recommended  
charging temperature of 5 °C (41 °F) to 35 °C  
(95 °F). If it continues to blink even when charging  
within the recommended charging temperature,  
contact an authorized service center for repair.  
The temperature is too low or high while  
charging.  
Charge the toothbrush for 17 hours or longer.  
(See page 7.)  
The charging time is short.  
The toothbrush can be used  
only for several minutes, even  
if it is charged.  
Stand the main unit so the bottom is in contact  
with the charging section of the charger, and  
check that the charge status lamp comes on.  
The main unit does not stand straight on the  
charger.  
The toothbrush does not  
operate without the battery  
capacity lamp blinks.  
The rechargeable battery has reached its  
operating life.  
(Approx. 3 years)  
Contact an authorized service center for repair.  
The toothbrush does not  
operate.  
The temperature is too low or high while  
using it.  
Use within the recommended usage temperature  
of 5 °C (41 °F) to 35 °C (95 °F).  
The “30‑second brushing notification timer  
function” is in operation.  
(See page 10.)  
The toothbrush stops operating  
every once in a while.  
This is not a malfunction.  
Continue using it.  
The vibration increases  
gradually when pressing the  
power switch.  
The “Soft start function” is in operation.  
(See page 10.)  
15  
 
Problem  
Possible cause  
Action  
The movement decreases  
when the brush head is  
pressed against teeth.  
The brush head is pressed against teeth too  
strong.  
(See page 11.)  
Apply the brush head lightly against teeth.  
This is not a malfunction. (See page 10.)  
The sound increases when the  
brush head is pressed against  
teeth.  
The toothbrush shaft moves.  
Some people may notice a taste or sense an  
electric current. This is because of the very  
weak electric current running inside the oral  
cavity.  
This is not a malfunction.  
Concerned users are advised to use SOFT mode  
or SENSITIVE mode. (These modes use a weaker  
electric current than WHITE mode, so you should  
be less aware of it.)  
There is an acidic taste.  
This differs depending on the person.  
The ion lamp turns on, even  
though you are not brushing.  
This is not a malfunction.  
(See page 14.)  
The ion lamp does not turn on,  
even though you are brushing.  
16  
 
Battery life  
Approximately 3 years. The battery may have reached its operating  
life if the usage frequency decreases drastically, even after a full  
charge.  
(The operating life of the battery may differ depending on usage or  
storage conditions)  
Removing the built-in rechargeable battery  
ATTENTION:  
Specifications  
A lithium ion battery that is recyclable powers the product you  
have purchased. Please call 1‑800‑8‑BATTERY for information  
on how to recycle this battery.  
See the name plate on the product  
(Automatic voltage conversion)  
Power source  
1 Lithium‑ion battery  
(3.6 V; 500 mAh)  
Battery  
Charging time  
Approx. 17 hours  
This product is intended for household use only.  
Remove the built-in rechargeable battery before disposing the  
toothbrush.  
This figure must only be used when disposing the toothbrush, and  
must not be used to repair it. If you dismantle the toothbrush yourself,  
it will no longer be waterproof, which may cause it to malfunction.  
Remove the toothbrush from the charger when removing the battery.  
Press the power switch to turn on the power and then keep the  
power on until the battery is completely discharged.  
Perform steps 1 to 4 and lift the battery, and then remove it.  
Please take care not to short‑circuit the battery.  
17  
 
Personal Care & Beauty Care Products  
FOR USA AND PUERTO RICO ONLY  
Changing the brush head (Sold separately)  
The brush should be replaced with a new one every 3 months or  
so due to hygiene reasons, even if its shape is unchanged.  
If the bristles are bent to one side or worn, the toothbrush is not  
effective for brushing. Replace the brush head with a new one.  
30-Day Quality  
Satisfaction Guarantee  
Part number  
WEW0908  
WEW0906  
WEW0940  
WEW0929  
Replacement Brush for EW‑DE92  
Ionic stain care brush  
Ionic two‑way silicone brush  
Point brush  
If you are dissatisfied with any Panasonic Personal Care &  
Beauty Care Products for any reason, simply return it to the  
place of purchase with a dated proof of purchase, in the original  
packaging, with all accessories, parts and instructions, within  
30 days of the date of purchase, for a full refund, or call  
Panasonic at 1‑800‑338‑0552.  
Abuse or misapplication of this product voids the guarantee.  
Stain care brush  
FORYOUR CONVENIENCE, WE HAVE ESTABLISHED A  
TOLL-FREE (IN USA ONLY) NATIONAL ACCESSORY  
PURCHASE HOT LINE AT 1-800-332-5368.  
18  
 
MEMO  
19  
 
IN USA CONTACT:  
Panasonic Corporation of North America  
Two Riverfront Plaza, Newark, NJ 07102‑5490  
Service • Assistance • Accessories  
Call 1-800-338-0552 (In USA)  
Panasonic Corporation  
33, Okamachi, Hikone, Shiga, Japan  
Panasonic Corporation  
© Panasonic Corporation 2013  
Printed in Japan  
EW9700DE921A Y1213‑0  
F
EN  
 

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