Chapter 9
Appendix Troubleshooting
Phenomena
Does not start.
Cannot operate the keys and the displayed information does not update.
It is hard to see the display
Vertical lines appear on the display.
Communication is bad or the phone suddenly disconnects.
The standby time is different to that in the specifications.
The device heats up.
The device heats up when communicating or recharging.
The volume is low.
After turning the power on, the time reverts to the default value.
The battery pack becomes unable to be used.
The sound is interrupted when backing up or restoring phonebook data from a WEB server during communication.
Response
The battery pack may be dead. If the battery pack is dead, the device will not start and the LED will not light up. Restart it again after recharging the battery using the AC adapter.
Remove the battery pack and then reconnect it.
Adjust the contrast.
エラー! 参照元が見つかりません。エラー! 参照元が見つかりません。
If the device has not been used in a while and the battery pack has been removed incorrectly, vertical lines may appear on the display. Remove the battery pack and then reconnect it.
It is possible that you are too far from the access point, the signal is being weakened by an obstruction such as a wall, or there is electromagnetic interference. Confirm the reception level.
The battery pack standby time may differ according to the configuration or settings of the access point.
When the device is located outside the range of the access point, the device may consume power. This device may become somewhat warm.
The device may become warm during calls or recharging. Continue to use as normal as this is not unusual.
Adjust the volume.
Reference: エラー! 参照元が見つかりません。
Although this device cannot retain the time when the power is turned off, there is a function that automatically sets the time by matching the time information on the NTP server.
エラー! 参照元が見つかりません。
If the device will not be used for more than a month, remove the battery from the unit. The battery pack may become unusable due to
Sound may be interrupted when backing up or restoring phonebook data from a WEB server during communication. Continue to use as normal as this is not unusual.
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