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TM00358 Rev. A
Chapter 5 - BIT Error Codes
L-3 WESCAM
October 2007
All Rights Reserved
95
5.2.6 Master Control BIT Codes 8.x
7.7
Filter Failure
MAJOR
The filter servo has exceeded the
maximum drive voltage threshold.
Sensitivity control will not work
properly under certain lighting
conditions. For example, if filter is
stuck, the video will remain the
same when request to change filter
occurs.
Execute a BIT from the Level 2 EON
Menu. If failure persists, replace
turret.
7.8
Secondary Camera
Failure
MINOR
Failed to communicate with the
EON sensor.
Camera Failure. The recommended
action indicates to verify if video is
lost. This is not necessarily the case.
Camera Failure can occur if
communication control is lost. The
video may still be present but control
of camera is impacted.
7.9
Secondary Camera
Thermal Shutdown
MAJOR
Internal gimbal temperature is too
hot for the EON sensor to operate.
Turn turret off and allow to cool.
7.10
Secondary Focus
Position Error
MINOR
Focus elements failed to reach a
specific position in a specific time.
Verify that EON sensor focus can still
be adjusted. If focus control loss
impacts mission, replace turret.
7.11
Secondary Focus
Failure
MAJOR
Focus servo loop of EON sensor
not responding properly.
No focus control available for EON
sensor.
Execute a BIT from the Level 2 EON
Menu. If failure persists, replace
turret.
Table 5-7 Failure Descriptions for 8.x BIT Codes
BIT
#
Message
Category
Failure Description
Recommended Action
8.1
Gimbal Not
Communicating
MAJOR
Gimbal processor not
communicating with Turret.
Check cable connections for bent
pins.
Replace Turret.
8.3
Controller Not
Communicating
MAJOR
Hand Controller not communicating
with Turret.
Check cable connections between
Turret and Hand Controller for bent
pins.
Replace Hand Controller.
8.4
Gimbal No Power
MAJOR
+28VDC not present at filter board
at top of turret.
Make sure power is present at turret
connection J1.
8.5
Payload No Power
MAJOR
+28VDC not present at filter board
at top of turret.
Make sure power is present at turret
connection J1.
Table 5-6 Failure Descriptions for 7.x BIT Codes (Continued)
BIT
#
Message
Category
Failure Description
Recommended Action