10.
Select the firmware file to use.
Click “Firmware File”, next to the checkbox
for the unit that is to be updated. Then
browse for the firmware file that
corresponds to the unit being programmed.
See the Firmware Cross-Reference Table at
the end of this Bulletin to identify the
firmware used with each indoor and outdoor
unit. For the latest firmware, check
tech.unicosystem.com
11.
Click Synchronize
, then wait for the green
progress bar to roll across the screen one
time(about 10 seconds). Waiting longer will
not prevent the unit from synchronizing, but
provides no benefit.
12.
Turn on power to the unit being
programmed.
If programming an outdoor unit, observe the
LEDs on the main circuit board. If the
computer and unit are synchronized, all 5
green LEDs on the main circuit board will
be solidly lit.
ODU LEDs Location
ODU LEDs Detail
If the outdoor unit begins its normal startup
sequence with only one or two LEDs lit, or if the
EEVs start their homing procedure, you must
restart the programming process from the
beginning. This failure to synchronize is likely