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Olimex lpc-p1343 SWD Error

I'm using olimex lpc-p1343 board (olimex.com/.../LPC-P1343.pdf) & Ulink2.
I wrote program into one time. Debugging not started(hardfault). Then i rebooted board by button.
Now i can't connect to MC via SWD without pressed reset button - i get "SWD Communication Failure". In debug settings too - device not founded without pressed reset button("SWD Communication Failure").
But, when i try writing code with pressed external reset i get "Cannot access Memory".

How i can fix it? And write code in MC?

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