Gps Bit Codes 20.X; Table 5-8 Failure Descriptions For 20.X Bit Codes - L3 Communications MX-15i Operation & Maintenance Manual

Chapter 5 - BIT Error Codes
Table 5-7 Failure Descriptions for 8.x BIT Codes (Continued)
BIT
Message
#
8.7 No Video From EOW
8.8 No Video From IR
8.9 No Video From EON
8.10 No Video From AVT
8.12 Map Not
Communicating
8.13 Loss of INS Data
8.14 MX Pod Not
Communicating
5.2.7

GPS BIT Codes 20.x

Table 5-8 Failure Descriptions for 20.x BIT Codes

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