94
Troubleshooting
Unable to
connect to the
network.
•
SIM card invalid.
Contact your network
operator.
•
You are not within the
network's service area.
Check the service area with
your network operator.
•
Poor signal.
Move to an open space, or if
you are inside a building,
move closer to a window.
You cannot
answer
incoming
calls.
•
You have activated
Accept List
or
Reject
List
in the
Privacy
Manager
option.
Go to
Phone Book
>
Privacy Manager
and
select
Off
in order to
deactivate this option.
•
You have activated the
Call Barring
feature.
Go to
Settings
>
Call
Settings
>
Call Barring
,
and then select
Cancel All
.
You cannot
make
outgoing
calls.
•
You have activated the
Call Barring
feature.
Go to
Settings
>
Call
Settings
>
Call Barring
,
and then select
Cancel All
.
•
You have activated the
Fixed Dialing No.
feature.
Go to
Settings
>
Call
Settings
>
Fixed Dialing
No.
and select
Off
to turn
this feature off.
PIN Code is
blocked.
•
You have entered an
incorrect PIN code three
consecutive times.
Contact your network
operator. If the network
operator provides the SIM
card's PUK code, use the
PUK code to unlock the SIM
card.
Battery will
not charge.
•
The battery or battery
charger is damaged.
Contact the dealer.
•
The phone's temperature
is below 0°C or higher
than 45°C.
Adjust the battery charging
environment to avoid
extremes of temperature.
•
Poor contact between the
battery and charger.
Check all connectors to
make sure all connections
have been properly made.
Problem
Possible cause
Solution
Summary of Contents for EF51
Page 1: ......
Page 2: ...EF51 Mobile Phone User Manual ...
Page 11: ...viii Safety information Memo ...
Page 114: ...Appendix Voice Tags 97 ...
Page 115: ...98 Appendix Voice Tags ...
Page 116: ...Appendix Voice Tags 99 ...
Page 117: ...100 Appendix Voice Tags ...
Page 132: ......