Sony Ericsson Walkman W600 User Manual page 79

Troubleshooting
No netwk coverage
Possible cause: Your phone is not receiving any
radio signal, or the received signal is too weak.
Solution: Contact your service provider and make
sure that the network has coverage where you are.
If so, try to do a new search.
Possible cause: The SIM card is not working
properly.
Solution: Insert your SIM card in another phone.
If you still get the same or a similar message, please
contact your service provider.
Possible cause: The phone is not working properly.
Solution: Insert your SIM card in another phone.
If this works, it is probably the phone that is causing
the problem. Please contact the nearest Sony Ericsson
service location.
Emerg. Calls Only
Possible cause: You are within range of a network,
but you are not allowed to use it. However,
in an emergency, some service providers allow
you to call the emergency number 911 or 112.
Solution: You have to move to get a signal that
is strong enough. Contact your service provider
and make sure your subscription
%
is ok 23 Emergency Calls.
78
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Phone locked.
Possible cause: The phone is locked.
Solution: To unlock the phone
Phone lock code:
Possible cause: The phone lock code is required.
Solution: Enter the phone lock code. Your phone
comes with the default phone lock code 0000
%
73 Phone Lock.
PUK blocked.
Possible cause: You entered your PUK (personal
unblocking key) code incorrectly 10 times in a row.
Solution: Contact your service provider.
Charging, Non-standard battery.
Possible cause: The battery that you are using
is not a Sony Ericsson approved battery.
%
Solution: 82 Battery use and care.
%
73 Phone Lock.