Updating The Firmware - SMA SUNNY TRIPOWER CORE1 Operating Manual

12 Troubleshooting
12. Recommission the inverter.
13. If the inverter still displays an insulation error, contact the Service (see Section 16 "Contact",
page 102). The PV modules might not be suitable for the inverter in the present quantity.

12.5 Updating the Firmware

If no automatic update is set in the communication product (e.g. Cluster Controller) or via the user
interface of the inverter, you have two possibilities to update the inverter firmware:
• Update the firmware via the user interface of the inverter.
• Update the firmware via USB flash drive.
Updating Firmware via the User Interface
Requirement:
☐ An update file with the desired inverter firmware must be available. The update file is, for
example, available for download on the product page of the inverter at www.SMA-Solar.com.
Procedure:
1. Activate the user interface (see Section 8.1, page 50).
2. Log into the user interface (see Section 8.2, page 53).
3. Select the menu System Configuration.
4. Select [Settings].
5. In the context menu, select [Updating the firmware].
6. Follow the instructions in the dialog.
Updating the Firmware via USB Flash Drive
Requirement:
☐ A USB flash drive with maximum 32 GB and file system FAT32 must be available.
Procedure:
1. Create an "UPDATE" folder on the USB stick.
2. Save the update file with the desired firmware in the "UPDATE" folder on the USB flash drive.
The update file is, for example, available for download on the product page of the inverter at
www.SMA-Solar.com.
3.
Danger to life due to high voltages
• Disconnect the inverter from all voltage sources and open the enclosure lid of the DC
connection unit (see Section 10, page 69).
4. Insert the USB flash drive in the USB port on the communication assembly.
5. Commission the inverter (see Section 7.2, page 44).
☑ During start-up phase of the inverter, the desired firmware is being installed.
90 STP50-40-BE-en-12
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SMA Solar Technology AG
Operating manual