Fronius Primo 3.0-1 Instructions De Service page 28

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To successfully update the inverter software, the USB flash drive provided for the
purpose must not have a hidden partition or any encryption (see chapter "Suitable
USB flash drives").
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The inverter starts copying the data.
"BOOT" and the progress of storing the individual tests expressed in % are displayed until
all the data for all the electronic modules has been copied.
Once copying is complete, the inverter updates the electronic modules as required in se-
quence.
"BOOT", the affected modules and the update progress in % are displayed.
The final step is for the inverter to update the display.
The display remains dark for approx. 1 minute while the monitoring and status LEDs flash.
Once the firmware update is complete, the inverter enters its start-up phase before going
on to start feeding energy into the grid. Unplug the USB flash drive using the "Safely re-
move hardware" function.
When the inverter firmware is updated, any custom settings that were configured in the
Setup menu are retained.
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Download the relevant firmware update file "froxxxxx.upd"
(e.g. from http://www.fronius.com; xxxxx stands for the version number)
NOTE!
Save the firmware update file to the highest data level of the USB flash drive
Open the lid of the data communication area on the inverter
Plug the USB flash drive containing the firmware update file into the USB socket in the
inverter's data communication area
Select "USB" from the Setup menu, followed by "Software update"
Press the "Enter" key
Wait until the version currently installed on the inverter and the new firmware version
are displayed for comparison:
- First page: Recerbo software (LCD), key controller software (KEY), country setup
version (Set)
- Second page: Power stage set software (PS1/PS2)
Press the "Enter" function button after each page