TimeProblem Cause/SolutionThe time is not correct. • In the Web user interface, you can set NTPsynchronization and DST (Summer Time) control to adjustthe time automatically (® see 4.4.5 Time AdjustSettings).• If the time is still incorrect even after setting NTPsynchronization, check the firewall and port forwardingsettings on the router (® see 1.1.7 Other NetworkSettings).Error CodesWhen a system error occurs, an error code is displayed on the unit.Error code Probable Cause Solution10001 MAC address error Consult your network administrator or phone systemdealer.11001–11006 Device error Consult your network administrator or phone systemdealer.21001 IEEE 802.1Xauthentication error(KX-UT248 only)Consult your network administrator or phone systemdealer.90001 • Transmission error• Unit not registered• Check network settings.• Check that settings are correct for registration to theSIP server.Checking the Status of the UnitYou can check the status of the unit by using Web user interface programming (® see 4.2.2 NetworkStatus and 4.2.3 VoIP Status) or by looking at system logs (® see 5.3.3 Syslog Settings) sent from theunit.To check the setting status in the Web user interface1. Click the [Status] tab, and then click [Network Status] to check the network settings.2. Check the status displayed.3. Click [VoIP Status] to check the VoIP settings.4. Check the status displayed.To send the system logs of specified events to the syslog server1. Set the following parameters to specify your PC (Windows, Linux® operating system, etc.) as the syslogserver:– SYSLOG_ADDR: Specifies the IP address or FQDN of the syslog server.– SYSLOG_PORT: Specifies the port number of the syslog server.2. Set the following parameters to log specific events:– SYSLOG_EVENT_SIP: Logs SIP-related syslog events.– SYSLOG_EVENT_CFG: Logs syslog events regarding configuration.290 Administrator Guide Document Version 2012-068.1 Troubleshooting
