User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
TCAS 3000 Traffic Alert and Collision Avoidance System
34−43−23
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
Page 6−7
15 Dec 2005
(2) System Status Page
Selection of code 0000 displays the System Status page, Figure 6−2. This page
displays the PASS or FAIL status of the TCAS system and the current version of the
operating software loaded into the TCAS computer.
Figure 6−2. Typical System Status Page
In the event of a detected system failure, one or more of the messages in Table 6−2
are displayed. Lines 6 thru 10 of the display screen are used to display the five
highest priority faults within the TCAS system. A maximum of five messages can be
displayed.
Table 6−2. System Status Page Fault Messages
Priority Message Description
1 SUPP FAULT GOTO 0010 Suppression bus failure. Select page 0010 for more
information.
2 TCAS CU FAIL TCAS computer unit has failed BITE test.
3 ANT FAIL TOP Antenna failure. Message field will display TOP, BOT
or BOTH to indicate which antenna failed.
4 DISP FAIL GOTO 0001 TCAS has lost valid signal from display. Select page
0001 for more information.
5 RALT INACT GOTO 0002 TCAS has lost valid signal from radio altimeter.
Select page 0002 for more information.
6 XPDR FAIL GOTO 0003 TCAS has lost valid signal from Mode S transponder.
Select page 0003 for more information.
7 ANT FAIL GOTO 0011 One of the antenna ports connected to the TCAS CU
has failed. Select page 0011 for more information.
8 OPT FAIL GOTO 0012 Parity for the option selections has failed. Select
page 0012 for more information.