Chapter 5 - BIT Error Codes TM00358 Rev. A
October 2007 L-3 WESCAM
96 All Rights Reserved
5.2.7 GPS BIT Codes 20.x
8.7 No Video From EOW MAJOR Master control processor detected
loss of video. (no sync signal)
Check cable connections for bent
pins.
8.8 No Video From IR MAJOR Master control processor detected
loss of video. (no sync signal)
Check cable connections for bent
pins.
8.9 No Video From EON MAJOR Master control processor detected
loss of video. (no sync signal)
Check cable connections for bent
pins.
8.10 No Video From AVT MAJOR No video being sent out from
Autotracker.
Execute a BIT from the Level 2 AVT
Menu. If problem persists, replace
Turret.
8.12 Map Not
Communicating
MAJOR No messages received from the
map system.
Fix map or cabling.
8.13 Loss of INS Data MINOR Loss of customer provided INS
aiding data.
Customer action.
8.14 MX Pod Not
Communicating
MAJOR Turret not communicating with the
MX-Pod.
Check cabling, then MX-Pod power.
If the indication persists replace the
MX-Pod.
Table 5-8 Failure Descriptions for 20.x BIT Codes
BIT
#
Message Category Failure Description Recommended Action
20.1 Not Communicating MAJOR GPS not communicating with Turret. Check GPS communications
connections. Cycle system power.
20.2 Invalid Message
Threshold Exceeded
MINOR Exceeded invalid message
threshold.
Check functionality of GPS by
performing a system BIT.
Cycle power, if GPS functionality is
not restored then replace Turret.
20.3 Checksum Error
Threshold Exceeded
MINOR Exceeded checksum error
threshold. May indicate a problem
within the GPS functionality.
Check functionality of GPS by
performing a system BIT.
Cycle power, if GPS functionality is
not restored then replace Turret.
20.4 No Position MINOR Not receiving satellite data. Check antenna.
Table 5-7 Failure Descriptions for 8.x BIT Codes (Continued)
BIT
#
Message Category Failure Description Recommended Action
To Next Page
Loading...