[foamyfly]

It seems to be exactly the same behaviour in every tab. Red Cross right after pressing the save button. If it is helpful I could do some logs in different tabs.


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[f5soh]

Sound like a flash memory that can't be accessed / writed

[foamyfly]

Just to round things up:

I reproduced the "red cross" in each configuration tab, while taking a log file (the logs are attached and named according to the tabs).
As far as I can see, it is every time the same problem. GCS tries to write the corresponding settings and fails after 3 tries.

Am I right in assuming that in your last comment you are talking about a hardware problem?
In that case I would try to get a refund/replacement...

Thank you again for your help and the great work on LibrePilot (as I said, I am flying it on another quad).

[f5soh]

Maybe safe ask for replacement...
This general error looks really strange.

[TheOtherCliff]

Are you sure this board is a Revo?
I wonder if it might have the wrong boot loader on it.
Does it have an MS-5611 baro chip (small, silver) on it and an F405 processor (large chip in the middle) and a PWM input (largest small plastic connector with 10 pins)?

If so, the flash chip may be bad or shorted, etc.