Questions & Answers - Siemens SL55 User Manual

If you have any questions about using your phone, visit us at www.my-siemens.com/
customercare anytime. As further help we have listed below some frequently asked ques-
tions and answers.
Problem Possible causes
Phone cannot On/Off key not pressed long
be switched on. enough.
Flat battery.
Battery contacts dirty.
See also below under "Charging
error"
Standby time Frequent use of organiser and
too short. games.
Speed search activated.
Display illumination on.
Unintentional keystrokes
(illumination!).
Charging error Battery totally discharged.
(charge icon
not displayed).
Temp. out of range
+5 °C to +40 °C.
Contact problem.
No mains voltage.
Wrong charger.
Battery faulty.
SIM error SIM card not inserted correctly.
Dirty SIM card contacts.
SIM card with wrong voltage.
SIM card damaged (e.g. broken). Carry out a visual check. Change SIM card at service
Questions & Answers
Possible solution
Press On/Off key for at least two seconds.
Charge battery. Check charging indicator in display.
Clean contacts.
Restrict use if necessary.
Deactivate speed search.(p. 83).
Switch off display illumination (p. 69).
Activate key lock (p. 72).
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 device interface, clean
them if necessary, then insert battery again.
Use different mains power socket, check mains
voltage.
Only use original Siemens accessories.
Replace battery.
Check that the SIM card is inserted correctly (p. 11).
Clean SIM card with a dry cloth.
Use 3V SIM cards only.
provider.
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