The flashing and bleeping is the machine trying to tell you what is wrong.
See this:
http://www.ukwhitegoods.co.uk/forumsphpbb3/viewtopic.php?f=34&t=61896
and this:
http://www.ukwhitegoods.co.uk/help/fix-it-yourself/fault-codes/laundry-fault-codes/3068-zanussi-washing-machine-error-codes/
Acp, August 2017