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Q&A
Question
Will the battery deteriorate if not
used for an extended period of
time?
Does it affect the battery life by
charging every time it is used?
Troubleshooting
Problem
The charge status lamp (
does not glow when charging
starts.
The charge status lamp (
is blinking rapidly.
(Twice every second)
The toothbrush can only be
used for a few minutes, even if
it is charged.
The battery capacity lamp
(
) turns off without blinking.
EW-DL75(v6).indb 27
The battery will deteriorate if not used for over 6 months, so make sure to perform a full
charge at least once every 6 months.
The battery used is a lithium‑ion, so charging after every use will have no effect on battery life.
Possible cause
)
You have just purchased the toothbrush
or have not used it for a while.
)
The temperature is too low or high while
charging.
The charging time is too short.
The main unit cannot be inserted
straight on the charger.
The rechargeable battery has reached
its operating life. (Approx. 3 years)
Answer
Action
The charge status lamp (
) may not glow for
several minutes after starting to charge it, but it will
glow if you continue to charge it. If the charge
status lamp (
) does not glow after a while,
contact the customer service center.
Charge the toothbrush within the recommended
charging temperature of 5 °C to 35 °C.
If the charge status lamp (
) blinks even when
charging within the recommended temperature
range, contact the customer service center.
Charge for 17 hours or longer. (See page 22.)
Insert the main unit so the bottom of it contacts
the charging section of the charger, and confirm
that the charge status lamp (
Replace the battery. (See page 29.)
Please contact the customer service center.
) glows.
27
17/7/19 下午1:32
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