Check the inverter firmware on the inverter display September 17, 2024 08:12 Updated Go to the main menu (press ESC twice) Find FW Version: YA1.0 and press OK. The inverter firmware version is displayed. Related articles Inverter firmware remotely check via OSS Growatt Inverter - smartmeter communication Update inverter firmware Consequences of incorrect initial inverter setup How to set the country code on the inverter display?