NWZ-A726B / A728B / A729B.GB.3-294-374-11(1)
Troubleshooting
10
10
Power
Symptom
Cause/Remedy
Battery life is short.
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
appears.
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 (
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 player cannot charge
the battery.
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.
The player turns off
automatically.
To avoid unnecessary battery consumption, the
player automatically turns off.
Press any button to turn the player on.
Charging completes very
quickly.
If the battery is already almost fully charged when
charging begins, little time is needed to reach full
charge.
Continued
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