How to fix a hotpoint washer dryer?

My hotpoint washer dryer wd 71 displayed an error 'e 30' and since I replaced the motor it does not display'select program',I've tried to turn on and off many times but there is no luck.Once I've seen'reset'on display screen.I didn't how to reset then I've tried to switch on and off couple of time and now it displays a trip of thick bars and underneath I can see something like 888J C which I don't understand.It's continusly giving alarm.I've also clean the pump.Please help me to fix this problem.Thanks