User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
TCAS 3000 Traffic Alert and Collision Avoidance System
34−43−23
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Page 5−5
15 Dec 2005
Table 5−3. Extended Test Menu Selections
4096 Ident Code Number Page Page Name
0000 0 System Status
0001 1 Display Status
0002 2 Rad/Alt Status
0003 3 Xpdr Status
0004 4 Program Pins 1/3
0005 5 Program Pins 2/3
0006 6 Program Pins 3/3
0007 7 Help Reference
0011 11 Antenna Port Status
0012 12 Option Pins Status
0013 13 Part Numbers
All Other Codes Blank TCAS Test Menu
To view the TCAS test menu and system status pages along with the troubleshooting
messages, refer to the FAULT ISOLATION section.
To exit the extended test mode, set the ATC/TCAS mode selector switch to Mode S
ON.
B. TCAS Computer Unit Self−Test
(1) With all power off, reinstall the TCAS computer unit in its mounting tray. Make sure
the TCAS control panel and display(s) are also installed.
(2) Apply aircraft power and close all applicable TCAS system circuit breakers.
(3) Set the ATC/TCAS controller mode switch to Mode S ON.
(4) Push the PUSH TO TEST button on the TCAS computer unit front panel. The test
sequence that follows should occur:
• All TCAS computer unit front panel annunciators come on for a 3−second lamp
test
• If the TCAS is operational, the TCAS PASS green annunciator comes on for a
10−second display period and then goes off.
• If the TCAS is not operational, one or more of the red fault annunciators comes on
for a 10−second display period.
(5) If a fault is detected, refer to the Fault Isolation section for troubleshooting
information.