baumatic model bdi1631?

the intensive and the economy cycle neon lights are flashing, and bleeping. this did the same thing three weeks ago, i pulled the machine out and checked the hoses, but could not find anything wrong. put the machine back into place and it worked, also the rinse aid light came on i have filled this up. but i shouldnt think this would need filling up again already can anyone help please

roland rat
February 2014