Sony WALKMAN NWZ-E435F Operation Manual page 99



Troubleshooting
Power
Symptom
Battery life is short.
The player cannot charge
the battery.
The player turns off
automatically.
Charging completes very
quickly.
Cause/Remedy
 The operating temperature is below 5 °C (41 °F).
 Battery life becomes shorter due to the battery
characteristics. This is not a malfunction.
 Battery charging time is not sufficient.
 Charge the battery until
 By adjusting the settings or managing the power
supply properly, it is possible to save the battery power
and use the player for a longer time (  page 87).
 You have not used the player for a prolonged period.
 The efficiency of the battery will be improved by
repeatedly charging and discharging it.
 When usable battery life becomes half the usual
time, even after charging the battery fully, the
battery should be replaced.
 Consult your nearest Sony dealer.
 Copyright-protected contents are played.
 When copyright-protected contents are played,
battery life may be shorter.
 The USB cable is not connected to a USB port on
your computer properly.
 Disconnect the USB cable, and then reconnect it.
 Use the supplied USB cable.
 The battery is charged in an ambient temperature
out of the range of 5 °C (41 °F) to 35 °C (95 °F).
 Charge the battery in an ambient temperature of
5 °C (41 °F) to 35 °C (95 °F).
 The computer is not on.
 Turn on the computer.
 Your computer has entered sleep or hibernation
status.
 Release the computer from sleep or hibernation
status.
 To avoid unnecessary battery consumption, the
player automatically turns off.
 Press any button to turn the player on.
 If the battery is already almost fully charged when
charging begins, little time is needed to reach full
charge.
appears.
Continued 