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Error
Unit
code (ID)
0A05B-0 Antenna WARNING Ele cal. limits
0A05D-0 Antenna WARNING ISM warning
0A05E-0 Antenna WARNING Low elevation
0A05F-0 Antenna WARNING Heading range
0A062-0
Antenna WARNING High elevation
0A063-0
Antenna WARNING BCM warning
0A064-0
Antenna ERROR
0A065-0
Antenna ERROR
0A066-0
Antenna ERROR
0A068-0
Antenna WARNING Polarisation
Severity
Description
BCM
communication
Deploy/Stow
OMT error
tuning
Table B-1: ADU event messages (Continued)
Explanation
Elevation axis calibration result check limits
exceeded. Pointing performance may be
degraded. Info: See 0A059-0.
The ISM has temporarily observed an unusual
situation with regards to temperature or
voltage. No user interaction required. If
repeated after cooldown and reboot, check if
the ISM or cables around it are defective.
The antenna is not allowed to transmit because
the elevation is too low.
Heading data range error. External heading
unit supplies unreliable data.
The antenna cannot perform acquisition in
headingless mode (gyro-free) because the
elevation is too high.
The BCM has observed an unusual situation
with regards to the PLL. If the situation
persists, check the BCM.
Communication error between PCM and BCM.
Check SUB-D connectors and cables
Deploy/stow error. The antenna did not
properly unlock (deploy), or the stow switch
never closed (stow).
Problem with OMT. Temperature may be too
high. OMT cable may be broken.
Polarisation tuning was not successful.
Polarisation may be incorrect.
List of ADU events
B-7
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