This chapter consists of a selection of suggestions for solving possible problems with your P900. If this does not help, please try the Solution Finder on www.sonyericsson.com/support. There you can also find other information that can be helpful.
Start-up problems P900 will not start
• Handheld phone: recharge or replace the battery. • Make sure the contacts on the battery and
charger are clean and avoid charging the battery in extreme temperatures.
• Vehicle Handsfree: check that the P900 is properly inserted into the holder and check the fuse in the fuse holder (connected to the battery cable).
Lock problems
Insert card • Make sure a SIM card is activated and inserted into your P900. See ‘SIM card’ on page 11. Blocked SIM
card
If your PIN is entered incorrectly three times in a row, the SIM card will be blocked. You can unblock it by using your PUK. See ‘SIM card lock’ on page 35.
Device lock Phone locked is displayed followed by the prompt Enter lock code.
Your P900 is locked to prevent unauthorised use. To unlock the P900:
• Enter your device lock code, 0000 by default, then press or .
Key symbol The keypad is locked to prevent unintentional key action.
Press followed by to unlock the keys.
Indicator light
Flashes red This indicates that the battery is running low and soon needs recharging or replacing with a spare. • With Vehicle Handsfree (VHF) equipment, make
sure that the following are inserted or connected: your P900 and its holder, the fuse in the fuse holder, and/or the external antenna.
Does not flash If the indicator light at the top of your P900 does not flash and no network is displayed there is no network within range. See ‘Telephone does not work’ on page 172.
Communication problems Telephone does
not work
• The received signal can be too weak, possibly because you are being shielded from the signal. Check your display signal strength indicator. Move outdoors or up from the ground to obtain a sufficiently strong signal.
• Make sure the P900 is not set into Flight mode. • Your P900 might be busy sending or receiving
data or e-mail.
• Check the settings for diverting or restricting calls. See ‘Divert calls’ on page 53, ‘Accepted callers’ on page 53 and ‘Restrict calls’ on page 53.
• If Emergency calls only is displayed on the screen, you are not allowed to use the network within range. You can, however, usually make an emergency call using the emergency number. • If No network is displayed on the screen, you are
in an area that is not covered by a network or the received signal is too weak.
Cannot hear incoming call
• Increase the ring signal volume. • Increase the ring signal volume.
The persons I talk with has problems hearing what I say
• Make sure you do not cover the microphone when you talk. You find the microphone at the bottom, next to the connector.
• You could be almost out of network range. The sound improves with a better network connection.
Cannot use WAP
• Your subscription does not include WAP. Check with your service provider.
• The settings are not correct. Enter new settings. Contact you service provider or visit
www.sonyericsson.com/support and use the WAP configurator.
Cannot send nor receive SMS or MMS
• Your subscription does not include SMS or MMS. Check with your service provider. • Check with you service provider that you have
entered the correct Service Centre phone number.
• Check the settings in the Control panel. Contact you service provider or visit
www.sonyericsson.com/support and use the MMS configurator.
• Make sure that Flight mode is deactivated. • Phone memory might be full. Delete some
Fax calls Your P900 does not support fax transmission. Even if your operator subscription supports fax transmission, fax calls will be rejected. However, they can be diverted to another number such as the office fax number, see ‘Divert calls’ on page 53 for more information.
• Make sure potential fax callers do not try to send a fax to your P900 as they can experience a number of retries before the fax transmission is stopped.
Problems to connect to a PC or another device Not possible to
establish connection using cable
• Make sure that the Sync Station and cable is correctly connected to the PC.
• Make sure that the correct COM port on the PC is enabled. Right-click the P900 link symbol in the PC taskbar, and select Properties. Select the USB COM port.
• Uninstall PC suite for P900. Connect the Sync Station with the P900 to the PC. Reinstall PC suite for P900, following the installation procedure thoroughly.
• Check for PC suite for P900 updates on www.sonyericsson.com/support. If you find a new version of the program, download it and install this instead of the old one.
Cannot transfer pictures
Place the P900 in the Sync Station. In the PC, open My P900 and browse through the P900 file system to find the picture.
Cannot transfer items with Bluetooth wireless technology
• Make sure that Bluetooth wireless technology is activated.
• Make sure that the devices are in range with each other. Maximum range is 10 metres.
Cannot establish connection with a Bluetooth wireless technology handset or handsfree
• Make sure that the devices are correctly paired. See ‘Connection via Bluetooth wireless technology’ on page 130.
• Make sure that the handset or handsfree is charged.
• Make sure that the devices are in range with each other.
Memory full
When your P900 has no more space available to save or store information, a message is shown. You must then free up memory to ensure the proper functioning of the P900.
• Make sure regular backups are made with Communications Suite to reduce the risk of lost or corrupted information.
Storage manager
• Use the storage manager to move items from the P900 internal memory to a Memory Stick Duo, or remove items from the P900 memory.
To start the storage manager
• Select Applications > Control panel > Device > Storage manager. • A list of all applications and their memory
requirements is shown.
• See ‘Deleting or copying general files’ on page 162 and ‘Deleting information from applications’ on page 162.
Information in applications
Use the applications to remove unused or old items from the P900 internal memory:
WAP history or bookmarks. • Messages.
• Contacts. • Call logs.
• Calendar tasks or appointments. • Jotter notes.
Miscellaneous Cannot save on Memory Stick Duo
• You might have a Memory Stick Duo with a lock switch. Move the switch in the other direction. • The Memory Stick Duo might be full. Delete
some files on it. Cannot change
language except to the language I chose when I first started
• The first time you start the P900 you select a language. All other languages are then deleted, in order to free memory. You can find all languages on the PC suite for P900CD. From the CD, you can install the language you want.
Applications stop responding
• Close the Flip and open it again. • Turn off the P900 and turn it on again. • Remove the battery, wait about 10 seconds, and
insert it again.
• Phone memory might be full. Delete some pictures or music, for example.
• If the problem continues, do a master reset. See ‘Master reset’ on page 161. All data will be lost. System failure In the case of a system failure, your P900 will flash an animated warning. To recover, please restart the P900 like this:
• Press and hold the On/Off button for at least 10 seconds to turn the P900 off.
• Restart as normal: Press the On/Off button to turn on your P900.