Panasonic ES-LV9N Operating Instructions Manual page 20

Problem
Operating time is short
even after charging.
Shaver does not operate
even after charging.
The driving sound
changes while shaving.
Makes a loud sound.
The odor is getting
stronger.
20
Action
Apply oil.
When the number of operations
per charge starts to decrease, the
battery is nearing the end of its life.
The appliance may not operate in
an ambient temperature
approximately 5 °C or lower.
The battery has reached the end
of its life. In this case, the shaver
will not operate when the power is
turned on with the AC adaptor
connected.
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.
This can be improved by cleaning
every time after shaving.
Problem
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.
Clean the inner blades with the
brush when shavings are
adhering to the inner blades.
Apply oil.
Replace the system outer foil if it
is damaged or deformed.
(See page 14.)
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
Apply oil.