Siemens CF62 User Manual page 103

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Problem
SIM error.
No network
connection.
Phone loses
network.
Calls not possible. Second line set.
Certain uses of
phone not
possible.
Impossible to
make entries in
Phonebook.
Voice messaging
not functioning.
SMS (text mes-
T
sage) flashing.
Function cannot
be set.
Possible causes
SIM card not inserted correctly. Check that the SIM card is inserted correctly
Dirty SIM card contacts.
SIM card with wrong voltage.
SIM card damaged
(e.g. broken).
Signal weak.
Outside GSM range.
Invalid SIM card.
New network not authorized.
Network call barring is set.
Network overloaded.
Signal too weak.
New SIM card inserted.
Charge limit reached.
Credit used up.
Call restrictions are in place.
Phonebook is full.
Call forwarding to mailbox not
set.
SMS memory is full.
Not supported by service pro-
vider or registration required.
Questions & Answers
Possible solution
(page 16).
Clean SIM card with a dry cloth.
Use 3V SIM cards only.
Carry out a visual check. Change SIM card at service
provider.
Move higher, to a window or an open space.
Check service provider's coverage area.
Notify the service provider.
Try manual selection or select a different network
(page 84).
Check network barrings (page 82).
Try again later.
Reconnection to another service provider is automatic
(page 84). Switching phone off and on again can
speed this up.
'
Set first line (page 84).
Check for new barrings.
Reset limit with PIN 2 (page 46).
Load credit.
Barrings can be set by service provider.
Check barrings (page 82).
Delete entries in Phonebook or transfer to Address-
book (page 36).
Set call forwarding to mailbox (page 76).
To free up capacity, delete (page 54) or file (page 54)
messages (SMS).
Contact your service provider.
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