Panasonic ES-ALT4B Operating Instructions Manual page 22

Problem
Shaver does not
operate even after
charging.
The driving sound
changes while shaving.
Makes a loud sound.
22
Action
Use the appliance in an
ambient temperature
approximately 5 °C or higher.
The battery has reached the
end of its life.
The shaver will not operate
with the AC adaptor
connected. Please use the
shaver after it has been
sufficiently charged and the
AC adaptor disconnected.
The shaving sensor is
operating. The sound
changes depending on the
beard thickness.
Apply oil.
The blades will not move
smoothly when there is no
oil on the blades, requiring
more power.
The shaver makes a high‑
pitched sound due to the
linear motor drive. This does
not indicate a problem.
Confirm that the blades are
properly attached.
Clean the system outer foil
with the brush.
Problem
The odor is getting
stronger.
Shavings fly out in all
directions.
System outer foil gets
hot.
You do not get as close
a shave as before.
Action
This can be improved by
cleaning every time after
shaving.
This can be improved by
cleaning every time after
shaving.
Clean the inner blades with
the brush when shavings are
adhering to the inner blades.
Confirm that the cleaning
shutter is firmly closed.
Apply oil.
Replace the system outer
foil if it is damaged or
deformed. (See page 18.)
Apply oil.
This can be improved by
cleaning every time after
shaving.
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