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 4.4.4 Time AdjustSettings).• If the time is still incorrect even after setting NTPsynchronization, check the firewall and port forwardingsettings on the router.Error CodesDuring operation, error messages might appear on the unit. The following table lists these messages andpossible causes and solutions.Error code Probable Cause SolutionError:001 LAN disconnectiondetectedCheck the LAN cables connections.Error:002 Overlapping IP addresses Check the IP addresses and re-set them.For making settings using a unit, see 1.1.3 Basic NetworkSetup.Error:003 The REGISTER of theSIP server has not beenregistered.Consult your network administrator or phone systemdealer.Error MessageError Message Probable Cause SolutionNeed Repair Hardware failure Consult your network administrator or phone systemdealer.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 5.3.38 Logging 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 check the setting status using the Unit1. In standby mode, tap or to select "System Settings".2. Tap "Status".Export Logging FileExport the log file using the Web user interface (see 4.7.3 Export Logging File).Note332 Administrator Guide Document Version 2016-05
