Troubleshooting - Sony Ericsson W21S Basic Manual

Troubleshooting

Symptom
Power does not
turn on.
Cannot make
calls.
Cannot receive
calls.
No reaction when
a key is pressed.
Warning tone
sounds, and
power turns off.
Incoming calls
are automatically
answered.
You cannot hear
the other party.
You have incoming
spam.
You are
connected to a
charged service
when you call
back to a
received call.
96
Items to check
Is the battery pack properly
attached?
Is the battery pack charged?
Did you hold down t for at least
one second?
Is " " displayed on the display?
圏外
Did you input the area code before
inputting the phone number?
Is the power on?
Did you press T?
Is " " displayed on the display?
圏外
Is the power on?
Is the power on?
There is not enough power left in the
battery pack.
Is record message set?
Is the volume during a call set low?
Is the mail filter function in use?
Have you called an unfamiliar phone
number?
Solution
Properly attach the battery pack.
Charge the battery pack.
Hold down t for at least one
second.
Make a call from a place where "
is not displayed.
When making a call to a phone other
than a cellphone, first input the area
code even if you are inside the same
city.
Hold down t for at least one
second.
Press T.
Move to a place where "
圏外
displayed.
Hold down t for at least one
second.
Hold down t for at least one
second.
Charge the battery pack.
Hold down M for at least one
second to cancel record message.
Turn ^ up while you are talking. The
volume during a call increases.
Use the mail filter function.
Be careful when you call back to a
number you do not recognize.
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"
圏外
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" is not
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