Siemens SXG75 User Manual page 140

Problem
Charging error
(charge icon not
displayed).
SIM error.
No network
connection.
Phone loses
network.
Calls not possible.
Possible causes
Battery totally discharged.
Temperature out of range:
+5 °C to +45 °C.
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/UMTS 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.
Questions & Answers
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 phone 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 10).
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.
Complain to the service provider.
Try manual selection or select a different network
(page 132).
Check network barrings (page 130).
Try again later.
Reconnection to another service provider is auto-
matic (page 133). Switching phone off and on
again can speed this up.
Set first line (page 132).
Check for new barrings.
Reset limit with PIN2 (page 24).
Load credit.
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