question

jan-boskemper avatar image
jan-boskemper asked

MUltiplus Firmware upgrade failed with "Error Connection"

Multiplus 24/3000/70

Firmware 2612154

I need the ESS assistant so I have to upgrade to firmware version 2612481.

Followed the instructions in Update firmware document and the video.

Using MK3-USB interface (VE-Bus to USB)

Connection via VE Configure: I can read all data

Upgrading via VE-Flash (version 90.05.154).and windows-10

finds auto detect port COM4

Connect Part 2 -- Error connection Please try again

any suggestions?

Thanks

Multiplus-II
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3 Answers
rotortalk avatar image
rotortalk answered ·

How spooky, I just posted exactly the same question... (except mine is a Quattro)

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jerothle avatar image
jerothle answered ·

v. 2702413 same here

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lsi avatar image
lsi answered ·

Same issue here.

Did you manage to find the cause and a solution?

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