Hi, my dishwasher doesn't seem to engage the propeller arms properly, as in when working fine, one would hear to distinct hums which sounded like the arms spinning giving the dishes an initial soak and rinse, however now this isn't happening but rather has been replaced with a long humming noise followed by repeated drumming as if it were playing the bass loud on some dubstep, the machine seems to fill with water and is heating the water up, but nothing else, not releasing the tablet (I'm unsure as to whether the water is draining away as normal as I haven't run the cycle to the full length, though the the normal amount of water appears to be left standing as when I've previously had to open the machine mid-cycle) it did have a faint smell of melting plastic a couple of days ago, but I thought nothing of it, any help is appreciated. Drew

Dishwashers - Beko