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| Questions & Answers | 139 | ||
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| Problem | Possible causes | Possible solution |
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| Charging error | Battery totally discharged. | 1) Plug in charger cable, battery is on charge. |
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| (charge icon not |
| 2) Charge icon appears after approx. 2 hours. |
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| displayed). |
| 3) Charge battery. |
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| Temperature out of range: | Make sure the ambient temperature is right, wait for | |||
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| +5 °C to +45 °C. | a while, then recharge. |
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| Contact problem | Check power supply and connection to the phone. | |||
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| Check battery contacts and phone connection |
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| socket, clean them if necessary, then insert battery | |||
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| again. |
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| No mains voltage. | Use different mains power socket, check |
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| mains voltage. |
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| Wrong charger. | Only use original Siemens accessories. |
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| Battery faulty. | Replace battery. |
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| SIM error. | SIM card not inserted correctly. | Check that the SIM card is inserted correctly |
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| Dirty SIM card contacts. | Clean SIM card with a dry cloth. |
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| SIM card with wrong voltage. | Use 3V SIM cards only. |
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| SIM card damaged | Carry out a visual check. Change SIM card at |
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| (e.g. broken). | service provider. |
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| No network | Weak signal. | Move higher, to a window or an open space. |
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| connection. | Outside GSM/UMTS range. | Check service provider's coverage area. |
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| Invalid SIM card. | Complain to the service provider. |
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| New network not authorised. | Try manual selection or select a different network | |||
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| Network call barring is set. | Check network barrings (page 130). |
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| Network overloaded. | Try again later. |
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| Phone loses | Signal too weak. | Reconnection to another service provider is auto- |
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| network. |
| matic (page 133). Switching phone off and on |
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| again can speed this up. |
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| Calls not possible. | Second line set. | Set first line (page 132). |
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| New SIM card inserted. | Check for new barrings. |
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| Charge limit reached. | Reset limit with PIN2 (page 24). |
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| Credit used up. | Load credit. |
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