Siemens ST55 - Manual (Page 73)

Questions & Answers
72
ST55 en retail, A31008-H6850-A101-1-7619 (8. August 2003, 14:18)
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Siem
ens AG 2001
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Problem Possible causes Possible solution
No network
connection.
Weak signal. Move to another place where the network reception is
better (e.g., window) or go outdoors.
Outside GSM range. Check service provider's coverage area.
Invalid SIM card. Contact the service provider.
New network not authorised. Try manual selection or select a different network
(p. 54).
Network call barring is set. Check network barrings (p. 59).
Network overloaded. Try again later.
Weak signal and the camera
is switched on.
Switch the camera off and if necessary move to
another place.
Phone loses
network.
Signal too weak. Reconnection to another service provider is automatic
(p. 55). Switching the phone off and on again can
speed this up.
Calls not possible. Second line set. Set first line (p. 54).
New SIM card inserted. Check for new barrings.
Charge limit reached. Reset limit with PIN 2 (p. 28).
Credit used up. Load credit.
Certain uses of the
phone not possible.
Call restrictions are in place. Barrings can be set by service provider. Check
barrings (p. 59).
Impossible to make
entries in contacts.
Contacts memory is full. Delete entries (p. 24).
Voice message not
functioning.
Call divert to mailbox not set. Set call divert to mailbox (p. 57).
SMS (text
message) flashing.
SMS memory is full. To free up capacity, delete (p. 39) or file (p. 39) text
messages (SMS).
Function cannot be
set.
Not supported by service
provider or registration
required.
Contact your service provider.
Capacity problems
with, for example,
ringtones, pictures,
SMS archive.
Memory full. Delete files in the relevant areas.
No WAP access,
downloading not
possible.
Profile not activated, profile
settings wrong/incomplete.
Activate and set WAP profile (p. 33). If necessary ask
your service provider.