Hisense RS731N4AC1 – Error E3 Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Hisense RS731N4AC1 – Error E3 This topic has 1 reply, 2 voices, and was last updated 7 years, 8 months ago by Hollytree_Technical. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts August 9, 2018 at 8:02 pm #94397 Hollytree_TechnicalParticipant Hi All Does anyone know what error E3 means on this American style fridge freezer? Is there any technical information available for it? Thank you Jem August 9, 2018 at 9:24 pm #457199 bazza500Participant Re: Hisense RS731N4AC1 – Error E3 It says Evaporator defrost sensor or PCB. 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