D504UK FAULT CODES Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › D504UK FAULT CODES This topic has 2 replies, 2 voices, and was last updated 11 years, 11 months ago by admin. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts April 26, 2014 at 2:56 pm #80455 adminKeymaster Hello can anyone tell me what error code is when the 1st 3 lights are on please April 29, 2014 at 2:09 pm #412903 adminKeymaster Re: D504UK FAULT CODES anyone ?? April 29, 2014 at 3:40 pm #412904 iadomModerator Re: D504UK FAULT CODES I always find it a big help if I am given a make as well as a model number, as some manufacturers do use very similar model numbers it saves me having to Google for D504K in the hope of finding what make it is. 😉 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