Look at the sticker on the side of your inverter. You will see a code like CPU Version: 00072.60 . Note this down. That is your current firmware.
Updating Axpert firmware is not like updating a smartphone. It is a high-risk, low-gain procedure that should only be undertaken to fix a specific, confirmed bug. The process is archaic, uses Windows-only serial tools, and carries a real risk of bricking your inverter. axpert firmware update
Interruptions (USB disconnect, power flicker, laptop sleep) corrupt the DSP chip. Recovery requires a hardware programmer (JTAG) and soldering. No bootloader fallback exists. Look at the sticker on the side of your inverter
Q: What if I encounter issues during the firmware update? A: Contact Axpert support or a certified technician for assistance. That is your current firmware
We will cover the two most common methods: (for VM III/King-series) and RS232 PC Method (for MKS/MAX series).
