diplomat dishwasher built in f4 fault Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › diplomat dishwasher built in f4 fault This topic has 2 replies, 2 voices, and was last updated 17 years, 1 month ago by phil59. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts February 23, 2009 at 1:18 pm #43681 phil59Participant hi anyone know what f4 is on built in diplomat dishwasher many thanks in advance phil February 23, 2009 at 3:52 pm #278100 DentedPorscheParticipant Re: diplomat dishwasher built in f4 fault Hiya, If it’s the Whirlpool machine then it’s in the known error codes. F4 is the water indicator. Black grid in the sump, can try cleaning it out as most are just clogged with muck. Brian 😀 February 24, 2009 at 10:34 am #278101 phil59Participant Re: diplomat dishwasher built in f4 fault your a gentleman brian thanks 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