Siemens C75 User Manual page 126

left page (126) of C75 FCC, us-en FUG am, (09.06.2005, 09:04)
126 Questions & Answers
Problem
Charging error
(charge icon not
displayed).
SIM error.
No network
connection.
Phone loses
network.
Calls not possible.
Certain uses of
phone not possible.
Impossible to make
entries in Phone-
book/Addressbook.
Possible causes
Battery totally discharged.
Temperature out of range:
+5 °C to +45 °C
(+41°F to +113°F).
Contact problem.
No mains voltage.
Wrong charger.
Battery faulty.
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).
Weak signal.
Outside GSM range.
Invalid SIM card.
New network not authorised.
Network call barring is set.
Network overloaded.
Signal too weak.
Second line set.
New SIM card inserted.
Charge limit reached.
Credit used up.
Call restrictions are in place.
Phonebook/Addressbook is full. Delete entries in Phonebook /Addressbook (see
Possible solution
1) Plug in charger cable, battery is on charge.
2) Charge icon appears after approx. 2 hours.
3) Charge battery.
Make sure the ambient temperature is right, wait for
a while, then recharge.
Check power supply and connection to the phone.
Check battery contacts and telephone connection
socket, clean them if necessary, then insert battery
again.
Use different mains power socket, check mains
voltage.
Only use original Siemens accessories.
Replace battery.
(page 15).
Clean SIM card with a dry cloth.
Use 3V SIM cards only.
Carry out a visual check. Change SIM card at ser-
vice provider.
Move higher, to a window or an open space.
Check service provider's coverage area.
Complain to the service provider.
Try manual selection or select a different network
(page 99).
Check network barrings (page 98).
Try again later.
Reconnection to another service provider is auto-
matic (page 99). Switching phone off and on again
can speed this up.
Set first line (page 100).
\
Check for new barrings.
Reset limit with PIN 2 (page 45).
Load credit.
Barrings can be set by service provider.
Check barrings (page 98).
Standard functions, page 21).