Airwell PAC BTE UI 4 Manuel D'utilisation page 52

7 - CONTROL
Hydro board firmware update (installer use)
Certain USB pen drive brands may not be detected.
Access reserved for technical assistance personnel during start-up and
subsequent interventions.
Materials required for the update:
PC with the files required for the V421RXXX update process
USB pen drive (empty)
After connecting the USB pen drive to the PC, delete any files saved on
the pen drive.
Add the following two files to the ROOT of the USB pen drive:
V421Rxxx.s19
V421Rxxx.md5
With the unit powered and in OFF mode, connect the USB pen drive to the
USB port of the refrigeration board (moto-condensing unit).
Wait roughly 60 seconds for the file to be read and loaded then perform the
procedure illustrated below.
If the 'Update firmware' option does not appear in the INSTALLATION
menu wait a few minutes more or try disconnecting and reconnecting
the USB pen drive to the board.
Check that the update files are PRESENT in the root.
1
Select
Confirm
System
4
7
Press Home to go back to
the normal visualization
2
Select Update
firmware
5
At the end of the update procedure, check
that the firmware version has been installed
correctly by entering the window System
info from the INSTALLATION menu
3
Confirm
6
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