WML540 prewash flashing Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › WML540 prewash flashing This topic has 2 replies, 2 voices, and was last updated 14 years, 12 months ago by iadom. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts April 19, 2011 at 5:02 pm #62328 iadomModerator The prewash light on these is not used for the error codes. I know that prewash flashing on WMA’s and later machines was usually fill valve problems. Anyone come across this on this more recent machines with the lights down the right hand side? Jim. PS. Not been out ot it yet. 🙂 April 19, 2011 at 5:30 pm #349696 AllsortsParticipant Re: WML540 prewash flashing Had a similar probem on a Hotpoint recently and the flashing PREWASH was dueto a faulty pressure switch Jim. George April 19, 2011 at 5:56 pm #349697 iadomModerator Re: WML540 prewash flashing Will bear that in mind George. 🙂 Jim. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In