Philips 9000 SERIES S91 SERIES Booklet page 15

If the shaving heads are soiled, you have to clean them. If the shaving
heads are damaged, you have to replace them.
Charging
Charge the shaver before you use it for the first time and when the
display indicates that the battery is almost empty. The battery charge
is indicated by the lights of the battery charge indicator on the
display.
When you connect the shaver to the wall socket, you hear a sound.
Charging takes approx. 1 hour. A fully charged shaver has a shaving
time of up to 50 minutes.
Note: You cannot use the appliance while it is charging.
Charging with the supply unit
1 Make sure the appliance is switched off.
2 Put the supply unit in the wall socket and put the small plug in the
appliance (Fig. 14).
3 After charging, remove the supply unit from the wall socket and
pull the small plug out of the appliance.
Charging in the SmartClean system (specific types
only)
1 Put the small plug in the back of the SmartClean system.
2 Put the supply unit in the wall socket.
3 Press the top cap to be able to place the shaver in the holder
('click') (Fig. 15).
4 Hold the shaver upside down above the holder. Make sure the
front of the shaver points towards the SmartClean system (Fig. 16).
5 Place the shaver in the holder (1), tilt the shaver backwards (2) and
press down the top cap to connect the shaver ('click') (3) (Fig. 17).
Note: The battery symbol starts to flash to indicate that the appliance
is charging. When the battery is fully charged, the battery symbol
lights up continuously.
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