how to fix my hotpoint wd440 flashing lights problem?

Hi thanks hotpoint buoy for the advice I checked the wiring for a brake but It was ok purchased new lower p c b module just fiitted It, before the on/off light and the time saver light were both flashing but the machine would start and run to a fashon but now I have the on/off light flashing the time saver light flashing and the drying high heat light are all 3 flashing but now the on/off button won't work at all any ideas please would be much appreciated many thanks in advance Sal