Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
A28--1146--181
REV 3 Mar 2009
12-1
Maintenance
Honeywell International Inc. Do not copy without express permission of Honeywell.
12. Maintenance
INTRODUCTION
When the multifunction control display unit (MCDU) shows a message
of CHECK DATA LOAD (XX) after an attempted disk operation, the
numeric value in the XX position is interpreted using the data loader
fault codes listed in Table 12--1.
Table 12--1
Data Loader Fault Codes
Code
Error Title
Description
01
OPEN CMD NO
RESPONSE
Check electrical connections. Either
the flight management system (FMS)
cannot talk to the data loader (the red
drive activity light does not go on) or
the FMS does not hear the response
from the data loader (the drive light
turns ON).
02
STATUS CMD NO
RESPONSE
See 01
03
ILLEGAL DB FILE
HEADER
The database disk file ( db.bn ) is not
a legal database file.*
04
READ CMD NO
RESPONSE
The data loader was unable to open
and read data on the disk.
05
GET 1ST FP
RECORD FAILED
The data in a flight plan file
(sperry.dat) is incorrectly formatted.
06
FP_RECORD
TOO LONG
See 05
08
STATUS CMD
OPEN FAILED
The disk does not contain the needed
file, or there was a disk read error
while attempting to open the file.
09
CRC REM NE 0 IS
ILLEGAL
The database disk was produced
improperly, or the data in a file has
been modified.*
0A
DB SIZE IN
HEADR GT EE
SIZE
The stored FMS database flash
memory is too small for the size of
the database being downloaded.*
0B
DB SIZE IN HDR
NE FILE SIZE
See 09*
Summary of Contents for FMZ Series
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