Panasonic ES-ALT4B Operating Instructions Manual page 21

Problem
The shaving sensor
responds even though
the shaver is not in
contact with the skin.
Foam cannot be made
in shaving foam mode.
Foam made in
shaving foam mode
contains shavings.
Action
Clean the beard trimmings
from the shaver.
When the shaver is very dirty,
first use the cleaning brush to
remove beard trimmings.
Or, remove the foil frame
and wash with water.
(See page 17.)
Replace the system outer
foil and/or inner blades.
Expected life of system
outer foil and inner blades:
System outer foil:
Approximately 1 year
Inner blades:
Approximately 2 years
Making foam may be
difficult depending on the
type of facial cleansers etc.,
so adjust the amount of
water or facial cleanser.
Before making foam, cleanly
rinse off any shavings. (See
page 16.)
Problem
The shaver cannot be
charged.
Operating time is short
even after a full charge.
Action
The recommended
temperature for charging is
10 °C – 35 °C. If charged at
a temperature other than
the recommended
temperature, the shaver
may take longer to charge
or may not charge at all.
The shaver can be used for
about 2 weeks on a full
charge assuming dry‑
shaving for 3 minutes per
day. However, the usable
number of days may be
reduced depending on how
the shaver is used (for
example, use in shaving
foam mode, wet shaving, or
use in low temperatures).
Apply oil.
When the number of
operations per charge starts
to decrease, the battery is
nearing the end of its life.
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