[larshutten]

So we are talking about CHAMP2 device here. Has no hdd funny fact is that is has an SD card inside, which is locked with serial to Headunit. You can remove SD card under front panel by removing the warranty seal. The SD card has some “partitions” windows can’t see but one partition you can see and there is also fsc codes stored.

I have searched and tried a lot of things to clear fsc codes. But seems like there is some kind of shadow backup from swt data. Because when erasing the file on SD card after first reboot it is back.

But to your problem. Probably your sig cert is rejected, this sometimes happen after entering map code. I have a unit with exact same problem and still not able to fix it. You could try to let Headunit flashed by someone with ista/p with ICOM and most adapter. Do not flash it with k+dcan cable it will fail!