OtherProblem Cause & Solution PageThe display does not turnon.R The room monitor is not receiving power.→ When using Power over Ethernet (PoE)Make sure the PoE power supply is turned on and supplying power,then check the LAN cable connection.→ When using a power supply unitMake sure the power supply unit is connected to the AC powersupply and is receiving power, then check the AC and DC wiringand the DC plug.31Calls are disconnected. R An alarm feature was triggered.→ If an alarm feature is triggered (e.g., someone pressed theemergency or urgency button) and notifies facility staff while youare talking, the call is disconnected.R The current call timed out and was disconnected.→ To conserve system resources, all calls time out and aredisconnected after a programmed amount of time.–10.2 Error messagesDisplay Cause & Solution PageNetwork error.Call failure.R Consult your facility staff. –Invalid input.Check the room No.R The room number does not exist.→ Confirm the room number and try again.R You did not enter a room number.→ Confirm the room number and try again.R The “Call Neighbour” setting has been disabled.→ This setting is available using web programming. For moreinformation, consult your facility staff.–Invalid. Last namecannot be blank.R You did not enter a last name when saving a phonebook entry.→ Enter both a first and last name. –The room no.already exists.R You entered a room number that was already saved in the phonebook.→ Confirm the room number and try again. –Please disarm tochange setting.R You tried to change alarm feature settings while the alarm features arearmed.→ Disarm the system and try again.19Cannot disablefirst threechannels!R You tried to change settings for alarm features 1, 2, or 3.→ Settings for alarm features 1, 2, and 3 cannot be changed. –Invalid password.Check and tryagain.R You entered the wrong password.→ Confirm the password and try again. –Failed to changepasswordR You entered the wrong "old" password.→ Confirm the password and try again. –Password do notmatch.R When changing a password, you did not enter the new passwordcorrectly.→ Confirm the password and try again.–Lobby Station isnot connectedR Consult your facility staff. –2710. Troubleshooting