Honeywell FMZ Series Pilot's Manual page 487

Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
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.
Code Error Title
01 OPEN CMD NO
RESPONSE
02 STATUS CMD NO
RESPONSE
03 ILLEGAL DB FILE
HEADER
04 READ CMD NO
RESPONSE
05 GET 1ST FP
RECORD FAILED
06 FP_RECORD
TOO LONG
08 STATUS CMD
OPEN FAILED
09 CRC REM NE 0 IS
ILLEGAL
0A DB SIZE IN
HEADR GT EE
SIZE
0B DB SIZE IN HDR
NE FILE SIZE
A28- - 1146- - 181
REV 3 Mar 2009
Honeywell International Inc. Do not copy without express permission of Honeywell.
Table 12- -1
Data Loader Fault Codes
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).
See 01
The database disk file ( db.bn ) is not
a legal database file.*
The data loader was unable to open
and read data on the disk.
The data in a flight plan file
(sperry.dat) is incorrectly formatted.
See 05
The disk does not contain the needed
file, or there was a disk read error
while attempting to open the file.
The database disk was produced
improperly, or the data in a file has
been modified.*
The stored FMS database flash
memory is too small for the size of
the database being downloaded.*
See 09*
Description
Maintenance
12-1