Questions&Answers
90
C55 Tuna english, A31008-H5600-A1-3-7619 (27. March 2003, 13:01)
© Siemens AG 2001, I:\Mobil\L55\C55_Tuna_2\en\en\c55_faq.fm
Question Possible causes Possible solution
No connection to
network.
Signal weak. Move higher, to a window or open space.
Outside GSM range. Check service provider coverage map.
SIM card not valid. Contact the service provider.
New network not authorised. Try manual selection or select a different network
(p. 74).
Network barring is set. Check barrings (p. 73).
Network overloaded. Try again later.
Phone loses
network.
Signal too weak. Reconnection to another service provider is automatic
(p. 74). Switching the phone off and on may speed
this up.
Calls not possible. 2nd line set. Set line 1
‘ (p. 74).
New SIM card inserted. Check for new restrictions.
Charge limit reached. Reset limit with PIN 2 (p. 30).
Credit used up. Load credit.
Certain uses of the
phone not possible.
Call restrictions are set. Barrings may be set by your service provider. Check
barrings (p. 73).
No entries possible
in Phonebook.
Phonebook is full. Delete entries in Phonebook (p. 23).
Voice mail does not
work
Call divert to the mailbox
not set.
Set call divert to the mailbox (p. 64).
SMS (message)
T flashes.
SMS memory full. Delete messages (SMS), (p. 32) or store them in the
archive (p. 33) to make room.
Function cannot
be set.
Not supported by service
provider or registration
required.
Contact your service provider.
Memory problems
with Games&More,
ring tones, pictures,
SMS archive.
Phone memory full. Delete files where necessary.
No WAP access, no
HTTP download
possible.
Profile not activated, profile
settings wrong/incomplete.
Activate WAP profile (p. 39), check settings (p. 68)
and activate HTTP profile (p. 42), check settings
(p. 69).If necessary consult your service provider.
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