6/1553-DBC 434 01 Uen B6 2010-07-09 108T ROUBLESHOOTING15 TroubleshootingThis section contains information on how to solve common operationalproblems, and warnings you may receive. Go through the following list ifyou encounter any problems. If this checklist does not cover theproblem, contact the system administrator. If others have similar prob-lems, there may be a system error.Fault / Display Probable cause Action or commentThe phone is locked Disturbance on thenetwork.Press ) and# simultaneously for oneor two seconds. This willrestart the phone.The access warningtriangle appears in thedisplay.Disturbance on thenetwork or in thetelephony system.Although some featuresmay not work, the phonecan be used for receivingand making calls.If the trouble persists,contact the systemadministrator.No connection tonetwork!(Message appears inthe display)There is noconnection to theLAN.Verify that the phone isconnected to the networkby checking the LANcable between the LANport and the phone.