how to fix my indesit fridge freezer model No C239 NF UK?

The fridge freezer just stopped working overnight,no warning lights on ,no nothing. fuse is good,theres power to the compressor but none up to the printed circuit control board,had that out and everything looks fine as you would expect, so no lights on up there,but power to compressor,compressor won`t fire up ofcourse no signal from circuit board,strange one for me anyway,can anybody advise me on this please.George.