Install guide

ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 3-4.
Troubleshooting
with
Bit
Malfunction
Words
Continued
Digit
Value
Malfunction Probable
cause/troubleshooting
Reference
Al
B
1,2J
,4,5,6,
or
7
cl
2J,4,5
,6,
or
7
D
ls,5,0r7
2
4or6
E
l~,5,0r7
2J,4,5,6,
or
7
F]
2~,4,5,6,
or
7
IMU
input
discrete
fail
Excessive
synchro
rates
Alignment
failure
IMU
temperature
test
fail
or
IMU
discrete
test
fail
Not
used
IMU
interpolator
fail
Excessive
motion
Real-time
clock
failure
Pitch
or
roll
greater
than
during
alignment
OR
System
update
error
Computer
overtemperature
Time-out
counter
interrupt
OR
Time-out
counter
failure
ID
2
MAL
Replace
IMU
and
computer
memory
A
1
a)
Replace
computer
A/D
card
A
11
b)
Replace
IMU
and
computer
memory
A
1
a)
Replace
computer
platform
1/0
card
A8
b)
Replace
IMU
and
computer
memory
A
1
a)
Check
IMU
fan
operation
b)
Check
cables
to
IMU
c)
Replace
computer
A/D
card
A
11
d)
Replace
IMU
and
computer
memory
A
1
Replace
IMU
and
computer
memory
Al
a)
Reinitialize
system
b)
Replace
IMU
and
computer
memory
A
1
Replace
computer
1/0
controller
card
A7
a)
Move
vehicle
to
level
surface
and
reinitialize
b)
Replace
IMU
and
computer
memory
Al
NOTE
To
display
pitch,
use
ID
27;
to
display
roll,
use
ID
28
a)
Replace
computer
1/0
discrete
card
A9
b)
Replace
computer
control
card
no.
3
AS
c)
Replace
computer
1/0
control
card
A7
Para
3-13c
Para
3-15b
Para
3-15a
Para
3-13c
Para
3-15b
Para 3-15a
Para
3-13c
Table
3-3,
steps
5
and
6
Para
3-13c
Para
3-15b
Table
3-1
Para
3-13c
Para
3-15a
Table
3-1
Para
3-13c
Para
3-15b
Table
3-3,
step
8
Para
3-15a
3-18