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TM00358 Rev. A
Table 5-6 Failure Descriptions for 7.x BIT Codes (Continued)
BIT
Message
#
7.7
Filter Failure
7.8
Secondary Camera
Failure
7.9
Secondary Camera
Thermal Shutdown
7.10
Secondary Focus
Position Error
7.11
Secondary Focus
Failure
5.2.6
Master Control BIT Codes 8.x
Table 5-7 Failure Descriptions for 8.x BIT Codes
BIT
Message
#
8.1
Gimbal Not
Communicating
8.3
Controller Not
Communicating
8.4
Gimbal No Power
8.5
Payload No Power
L-3 WESCAM
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Category
Failure Description
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.
MINOR
Failed to communicate with the
EON sensor.
MAJOR
Internal gimbal temperature is too
hot for the EON sensor to operate.
MINOR
Focus elements failed to reach a
specific position in a specific time.
MAJOR
Focus servo loop of EON sensor
not responding properly.
No focus control available for EON
sensor.
Category
Failure Description
MAJOR
Gimbal processor not
communicating with Turret.
MAJOR
Hand Controller not communicating
with Turret.
MAJOR
+28VDC not present at filter board
at top of turret.
MAJOR
+28VDC not present at filter board
at top of turret.
Chapter 5 - BIT Error Codes
Recommended Action
Execute a BIT from the Level 2 EON
Menu. If failure persists, replace
turret.
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.
Turn turret off and allow to cool.
Verify that EON sensor focus can still
be adjusted. If focus control loss
impacts mission, replace turret.
Execute a BIT from the Level 2 EON
Menu. If failure persists, replace
turret.
Recommended Action
Check cable connections for bent
pins.
Replace Turret.
Check cable connections between
Turret and Hand Controller for bent
pins.
Replace Hand Controller.
Make sure power is present at turret
connection J1.
Make sure power is present at turret
connection J1.
October 2007
95
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