candy cm1 146-80?

MY washer fills, takes on soap, washes forwards& backwards & after about 25mins has stopped & the stain wash & the 90min lights flash for 3 secs indicating that it wants to drain but nothing happens & it will stay like that for as long as need be.I have checked all the hoses for any blockages changed the drain pump, also the pressure switch, cleaned the element, temp sensor, checked the drum, for any foreign objects.Only part left is the main pcb board.Is there anybody out there who has had the same problem& can offer me some advice to repair.