Specifications

Engineering Standard –NSW
Signalling SMS 02
Cerberus Level Crossing Monitor Equipment
March 2005 Version 1.2 © Australian Rail Track Corporation Page 67 of 118
This document is uncontrolled when printed.
 Reset any Fault, or Warning condition using the large reset
switch on the top right hand corner of the front panel of the main
box.
 If the Monitor returns to No Fault and No Warning then operate
the crossing using the Test switch. If the problem re-occurs then
reexamine the input to determine the cause of the problem.
 If their is a Lamp problem, check the lamps, and the voltage from
the current sensors when the crossing is operating (as per
Section 3). This problem can only be cleared after the monitor
has detected the lamps operating correctly.
5.2 Faults reported by Operations
The codes that the Level Crossing Control Centre reports to
Operators for a particular level crossing have the corresponding
meaning as per the following table. The report includes name of the
level crossing, date and time the problem occurred, and whether it is
a Fault or Warning.
Code reported by Operations Level Crossing Monitor, Status
Codes
Code 1 LAMP
Code 2 LOGIC
Code 3 SYSTEM
Code 4 BATTERY
Code 5 TEST
Code 6 COMMUNICATIONS FAIL
Code 7 SECURITY ALARM
Code 8 EMERGENCY SWITCHES
Code 9 No Train for 72 hours
Code 10 No Test for 36 hours
Code 11 Operating Too long
TRAIN DRAGGING EQUIPMENT DRAGGING EQUIPMENT
Note 1: Code 7 Security Alarm is intended to be an alarm on the
location door. It is optional.
Note 2: TRAIN DRAGGING EQUIPMENT alarm that detects Trains
Dragging equipment. It is optional.
The code 6 (Communications Fail) means that the modem, telephone
line, or monitor itself has failed.
These problems are then diagnosed as per the other fault diagnosis
sections.