Siemens CT70 User Manual

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 date: 041104

 of FUG_C70 Hera (PoC), en, A31008-H7803-A1-1-7619 (10.01.2005, 13:28)

If you have any questions on the use of your phone, you can contact us at

www.siemens.com/mobilephonescustomercare around the clock. As further help we 

have listed below some frequently asked questions and answers.

Phone cannot be 

switched on.

On/Off key not pressed long 

enough.

Press On/Off key for at least 2 seconds.

Flat battery.

Charge battery. Check charging indicator in 

the display.

Battery contacts dirty.

Clean contacts.

See also below under 

"Charging error".

Too little standby 

time.

Frequent use of applications such 

as organiser, games, camera.

Restrict use if applicable.

Fast search activated.

Deactivate fast search(p. 90).

Display illumination switched on. Switch off display illumination (p. 77).
Unintentional keystrokes 

(illumination!).

Activate key lock (p. 87).

Charging error

(charge icon not 

displayed).

Battery totally discharged.

1) Plug in charger cable, battery is on charge. 

2) Charge icon appears after approx. 2 hours.

3) Charge battery.

Temperature out of range: 

+5 °C to +40 °C.

Make sure the ambient temperature is right, wait for 

a while, then recharge.

Contact problem

Check power supply and connection to the phone. 

Check battery contacts and telephone connection 

socket, clean them if necessary, then insert battery 

again.

No mains voltage.

Use different mains power socket; check mains 

voltage.

Wrong charger.

Only use original Siemens accessories.

Battery faulty.

Replace battery.

SIM error.

SIM card not inserted correctly. Check that the SIM card is inserted correctly (p. 9).
Dirty SIM card contacts.

Clean SIM card with a dry cloth.

SIM card with wrong voltage.

Use 3V SIM cards only.

SIM card damaged

(e.g., broken).

Carry out a visual check. Ask service provider to 

change SIM card.