9.3.1
Upgrading firmware
When upgrading firmware you replace the inverter's firmware with a newer version. Only
update the firmware to a newer version if you require the expanded range of functions of that
newer version.
Requirements
● Your inverter's firmware is at least version V4.5.
● Inverter and memory card have different firmware versions.
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
Corrective maintenance
9.3 Firmware upgrade and downgrade
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