Cod. 970073EIPb V04_21
F
IRMWARE
New firmware can be uploaded to the Central Unit using AC-MAX HW program and selecting Tools ->
Update firmware, make a backup of low level configuration and save the settings to file as firmware
upgrade usually restores factory default settings and erases communication key.
1. The firmware upgrade process. During this process, which usually takes 10s, LED2 is ON
while LED3 is flashing.
2. Once the upgrade is finished Central Unit returns to service mode (LED3 is OFF, LED2 is
ON).
3. Run AC-MAX HW utility program and make low level configuration or restore previous one
from backup.
4. Once the configuration is complete, restart the Control Unit and run the AC-MAX LT/ST
program to register the Control Unit in the AC-MAX database.
Note: During the firmware upgrade process, it is necessary to ensure continuous and stable power supply
for the AC-MAX module. The power supply failure may result in device repair by AC-MAX service.
U
PGRADE
EN
15/30