User's Manual

Troubleshooting information 81
System problems
Cannot turn on the phone.
Check the following:
• Make sure that you have slided the battery lock to the lock position.
• Is the battery fully charged? Check the battery and fully charge it if necessary.
• Are the battery contact terminals clean? Seek your dealer’s help to clean the terminals.
• If the problem remains,
see "Hard reset" on page 15 for more information.
Battery charging problems
Cannot turn on the PDA phone when charging.
Check the following:
This shows that the battery is over-discharged when you find the indicator on the PDA phone
turns to orange and the PDA phone cannot be turned on while charging it. When the battery
is over-discharged, it loses all its electric power. Please charge the phone for over 30 minutes
and the system will boot up automatically.
Cannot turn on the PDA phone after charging for over 30 minutes.
Check the following:
When you find that you still cannot turn on the PDA phone after charging it for over 30
minutes, this means that the PDA phone has entered the deep sleep mode incorrectly and
thus the PDA phone cannot be turned on normally. Please note that if there are still some
programs running and they are not closed correctly before the PDA phone enters the deep
sleep mode, the PDA phone will enter the sleep mode incorrectly.
Solutions:
Step 1. Press
Power.
Step 2. If Step 1 does not work, activate soft reset. For details, see "Soft reset" on page 15.
Step 3. If step 2 does not work, activate hard reset. For details, see "Hard reset" on page 15.
When carrying the phone to board a plane:
Check the following:
• Switch the phone to the Flight mode.
• Unlock the battery lock to let the phone enter the deep sleep mode.
P51_EN.book Page 81 Tuesday, August 15, 2006 5:16 PM