ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Corrective action
Teletypewriter malfunction message
Data must be reentered
IMPROPER DATA ENTRY
Program did not recognize data entry
Reasonability test fail
ALIGN TIMING IMU FAIL
Program cannot advance. Shut down equipment and return IMU to
depot*
Certain alignment constants are out of tolerance and cannot be
NEED DEPOT CAL
determined without a depot alignment, Shut down equipment and
return IMU to depot*
Certain alignment constants are out of specification and cannot be
ALIGN QUALITY IMU FAIL
calibrated. Return IMU to depot*
TEMPERATURE IMU FAIL
IMU failures. Return IMU to depot*
DISCRETE IMU FAIL
SYNCHRO ACCEL. IMU FAIL
SYNCHRO RATE FAIL
MEMORY TEST FAIL
Built-in-test indicates a computer failure while aligning IMU
OP CODE TEST FAIL
Repair computer and recalibrate IMU. See table 4-10 for corrective
PRIORITY INTERRUPT FAIL
action
SERVICE INTERRUPT FAIL
SERIAL DATA I/O FAIL
ANALOG DATA I/O FAIL
PLATFORM I/O FAIL
q Send copy of TTY diagnostic print-outback to depot with faulty IMU.
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