ISIS DW200 FAULT CODES Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › ISIS DW200 FAULT CODES This topic has 0 replies, 1 voice, and was last updated 13 years, 8 months ago by admin. Viewing 1 post (of 1 total) Author Posts August 6, 2012 at 12:17 pm #70818 adminKeymaster Hello does anyone know what p3 – p4 mean on the above dishwasher Many thanks Simon Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In