Specifications

Engineering Standard –NSW
Signalling SMS 02
Cerberus Level Crossing Monitor Equipment
March 2005 Version 1.2 © Australian Rail Track Corporation Page 68 of 118
This document is uncontrolled when printed.
5.3 Faults Detected during Maintenance
5.3.1 Monitor does not report a status
change Check that the monitor is
operational.
Check it is configured to dial-up on status
change. Check the modem cable.
Check the modem configuration.
Check the modem.
Check phone line.
Re-configure the modem.
5.3.2 Changes are not appearing in the log
Check inputs fuse.
Check input optoisolator negative connection.
Check cables from the input optoisolator to the back of the monitor
unit.
5.3.3 Lamp Learn does not complete within 40 seconds
Another symptom of lamp learn not completing is that Led 3 on the
SCADA card stays ON and the board has to be manually reset.
Check the flasher cable from Main Box Input port 4 to the SSF ZK
and CSF ZK is correctly installed.
Check that the SSF ZK and the CSF ZK are correctly installed and
operating correctly.
Check that the XR input is operating correctly.
Check that the SS_LIGHT_ZK and the CS_LIGHT_ZK inputs are
operating correctly. These inputs are for the Emergency switches
and should be ON when the lights are operational.