Re: diplomat apm8552
assuming of course the air bell in sump hose is clear, then it is most certainly the module. (lathough it could also be a dodgy motor but try a module first.) I also assume you are testing this empty as its pretty sensitive about out of balance loads. They take a lifetime to spin though, you need to start the test at the end of the final rinse and just sit and watch it. Its the good old 546060201 module and I get through loads of them.