Chapter 5 - BIT Error Codes
TM00358 Rev. A
October 2007
L-3 WESCAM
90
All Rights Reserved
5.2.2 Gimbal BIT Codes 4.x
Table 5-3 Failure Descriptions for 4.x BIT Codes
BIT
#
Message
Category
Failure Description
Recommended Action
4.1
Gimbal Shutdown
MAJOR
Gimbal motor overload.
No steering available.
Cycle power. If failure persists
replace turret.
4.2
Gyro Failure
MAJOR
Gimbal gyro malfunctioned and
failed to initialize.
No steering available.
Cycle power. If failure persists
replace turret.
4.3
Gyro Error Threshold
Exceeded
MINOR
Gyro communications error rate
exceeded threshold.
No action. Contact L-3 Wescam.
4.4
Gyro Internal Failure
MAJOR
Internal gyro failure.
Does not affect sensor or turret
function.
No action. Contact L-3 Wescam.
4.5
Yaw Startup Failure
MAJOR
Gimbal would not initialize. No yaw
motion detected.
No steering available.
Cycle power. If failure persists
replace turret.
4.6
Pitch Startup Failure
MAJOR
Gimbal would not initialize. No pitch
motion detected.
No steering available.
Cycle power. If failure persists
replace turret.
4.8
Inner Motor Failed
MINOR
One of the inner motors failed
during startup.
May be caused by low voltage.
Check power at turret. Contact L-3
Wescam.
4.9
Inner Yaw Motor
Overload
MINOR
Yaw motor exceeded absolute
average drive threshold.
No action. Contact L-3 Wescam.
4.10
Inner Pitch Motor
Overload
MINOR
Pitch motor exceeded absolute
average drive threshold.
May be caused by low voltage.
Check power at turret. Contact L-3
Wescam.
4.12
Outer Yaw Motor
Overload
MINOR
Yaw motor exceeded absolute
average load threshold.
May be caused by low voltage,
obstruction of turret or by the yaw
lock failing to disengage.
No action. Contact L-3 Wescam.
4.13
Outer Pitch Motor
Overload
MINOR
Pitch motor exceeded absolute
average load threshold.
May be caused by low voltage,
obstruction of turret or by the pitch
lock failing to disengage.
No action. Contact L-3 Wescam.
