Diplomat Dishwasher F4 Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Diplomat Dishwasher F4 This topic has 1 reply, 2 voices, and was last updated 12 years, 11 months ago by Latham63. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts May 8, 2013 at 7:58 am #75344 Latham63Participant Havent got mod.no. for this one yet.Is there a general meaning for F4 code on these machines? May 8, 2013 at 1:13 pm #394609 electrofixModerator Re: Diplomat Dishwasher F4 problem is its diplomat so until we get a model we wont know if its whirlpool its a drain error if its haier its the ntc if its smeg it is also ntc hope it helps Dave Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In