Chapter 1: System operation
EST iO64 and iO500 Technical Reference Manual 19
Event ID Event description
048 Internal fault: The control panel detected an internal
hardware or software error
049 Dialer dsbl/rem disc: The dialer was disabled by the
Remote Disconnect button
050 Dialer line 1 fault: A ground fault or line fault has been
detected on line 1 of the dialer
051 Dialer line 2 fault: A ground fault or line fault has been
detected on line 2 of the dialer
052 Dialer deliver fail: The dialer failed to deliver a message to
the receiver or CMS
053 Dialer normal test: A dialer test was conducted when the
panel was in a normal state
054 Dialer abnormal test: A dialer test was conducted when
the panel was in an off normal state
055 Dialer configuration: The dialer is not programmed or has
unverified changes
056 Net recvr comm fault: Communications between the panel
and the network receiver failed
057 Net recvr config fault: The panel failed to communicate
with the network receiver after a configuration change
058 NAC 1 trouble: An open or short has been detected on NAC
1 or there is a problem with the EOL
059 NAC 2 trouble: An open or short has been detected on NAC
2 or there is a problem with the EOL
060 NAC 3 trouble: An open or short has been detected on NAC
3 or there is a problem with the EOL
061 NAC 4 trouble: An open or short has been detected on NAC
4 or there is a problem with the EOL
062 Printer trouble: The printer is either offline, out of paper, or
disconnected
063 Annunciator 1 trouble: An open or short has been detected
on annunciator 1
064 Annunciator 2 trouble: An open or short has been detected
on annunciator 2
065 Annunciator 3 trouble: An open or short has been detected
on annunciator 3
066 Annunciator 4 trouble: An open or short has been detected
on annunciator 4
067 Annunciator 5 trouble: An open or short has been detected
on annunciator 5
068 Annunciator 6 trouble: An open or short has been detected
on annunciator 6