Letting it cool down won't do anything.

0022 is a bridge under the GPU and quite often occurs on a failed reflow then requiring a reball.

If you have flashed a new kv it could be a bad flash. If you haven't I'm afraid error 0022 is a pretty bad one and usually requires a reball of the gpu.

yes nand x works on falcons just need to solder the usual J1D2 lpc ports

Bad flash. You will need to wire up a usb spi flasher (like nand-x) or a lpt cable and flash a working freeboot image or get someone to do it for you.

Search for nand-x there are a number of retailers who stock it and for Freeboot .030 check here http://www.thetechgame.com/Forums/viewtopic/t=456299.html

You may want to check that error code again as I have never come across 1143.

BTW When 4 lights flash we treat that as a 0. Therefore your code is 1103 but again I haven't come across this one bef ...

Don't do towel trick you risk seriously screwing up your console as it can damage the capacitors as they can't take heat over 95 degrees which can lead to an unrecoverable board. Get a proper reflow d ...

If it has got E79 chances are it is the jtag wiring has either come loose or has a cold solder joint. Therefore check the jtag wiring first.

I have been able to flash a new kv in on a zephr the using the original nand and flash dump tool and then flashing it with flash360. However the kv was from a zephr and I am not sure if it will work o ...

If you can't boot xell and have xmas lights you are going to either find someone who has a usb spi or lpt flasher and fix it or buy one and do it yourself.