Siemens M50 User Manual page 85

Question Causes available
No connection to Signal weak.
network.
Outside GSM range.
SIM card not valid.
New network not authorised. Try manual selection or select a different network
Network barring is set.
Network overloaded.
Phone loses Signal too weak.
network.
Calls not possible. 2nd line set.
New SIM card inserted.
Charge limit reached.
Credit used up.
Certain uses of the Call restrictions are set.
phone not possible.
No entries possible Phonebook is full.
in Phonebook.
Voice mail does not Call divert to the mailbox not
work set.
SMS (text mes- SMS memory full.
sage) ¨ flashes.
Function cannot be Not supported by service
set. provider or registration re-
quired.
Memory problems Phone memory full.
with Games & More,
ring tones, pictures,
SMS archive.
Questions & Answers
Possible solution
Move higher, to a window or open space.
Check service provider coverage map.
Reclaim at the service provider.
(p. 64).
Check barrings (p. 65).
Try again later.
Reconnection to another service provider is automatic
(p. 64). Switching the phone off and on may speed this
up.
=
Set line 1 (p. 64).
Check for new restrictions.
Reset limit with PIN 2 (p. 43).
Load credit.
Barrings may be set by your service provider. Check
barrings (p. 65).
Delete entries in Phonebook (p. 20).
Set call divert to the mailbox (p. 41).
Delete (p. 25) or store messages (SMS) in the archive
(p. 25) to make room.
Contact your service provider.
Delete files where necessary.
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