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ICU 402 configuration problem
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Burst99325


Siedler
10 Beiträge

ICU 402 configuration problem, 01 Feb. 2026 13:10


Sorry, i dont speak german.

Hi!

Me and my friend working on a .muc file editor, for which we are trying to decipher the file structure.
We have achieved significant success, we have learned what many parameters are, but unfortunately we modified something that makes the controller not work.
The boot is in the video. Unfortunately, now the controller does not recognize the pendrive after the boot. Before boot, the fw update is possible, but we only need a configuration update.

We set every parameters what was "00" to "01"

Video: https://www.youtube.com/watch?v=WS6nqQTJxvU

Any ideas?


Geändert von Burst99325 am 1.Feb.2026 13:20
 
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Burst99325


Siedler
10 Beiträge

RE: ICU 402 configuration problem, 01 Feb. 2026 15:45


We updated the firmware, but we still can‘t update config

https://www.youtube.com/watch?v=GTM5nbBd0uo
 
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luckysunyblue



Konsul
1109 Beiträge

RE: ICU 402 configuration problem, 01 Feb. 2026 19:35


Hey,

If you contact me by email, I could send you a working MUC file if you don‘t have an original MUC file.

I have some experience with MUC files and could program it myself accordingly.
 
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Burst99325


Siedler
10 Beiträge

RE: ICU 402 configuration problem, 01 Feb. 2026 19:39




luckysunyblue:

Hey,

If you contact me by email, I could send you a working MUC file if you don‘t have an original MUC file.

I have some experience with MUC files and could program it myself accordingly.



I have the correct muc file, the problem is the controller stucks on the last screen on the video, does not recognize when we put in the USB stick.
Before boot, the firmware update is working well, but after boot, we cannot do anything

 
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Burst99325


Siedler
10 Beiträge

RE: ICU 402 configuration problem, 03 Feb. 2026 17:17


For anyone who encounters the same problem in the future:
Before turning on the unit, press and hold the right and left arrow buttons until it says "no configuration file"

Thanks for luckysunyblue!
 
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108JMS


Siedler
11 Beiträge

RE: ICU 402 configuration problem, 04 Feb. 2026 00:57




Burst99325:

For anyone who encounters the same problem in the future:
Before turning on the unit, press and hold the right and left arrow buttons until it says "no configuration file"

Thanks for luckysunyblue!


Don‘t suppose you know if this will work for a ICU403. Got one with a few options that I‘d love to have access to (idle clock being one)
 
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Burst99325


Siedler
10 Beiträge

RE: ICU 402 configuration problem, 04 Feb. 2026 22:47




108JMS:

Don‘t suppose you know if this will work for a ICU403. Got one with a few options that I‘d love to have access to (idle clock being one)



Sorry, but i dont know ICU 403.

 
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