De Dietrich model F 4448 J Home › Forums › Public Support Forums › Help And Support › Cooker And Oven Forum › De Dietrich model F 4448 J This topic has 0 replies, 1 voice, and was last updated 16 years, 4 months ago by avirabi. Viewing 1 post (of 1 total) Author Posts December 17, 2009 at 8:36 pm #51041 avirabiParticipant Hi My De Dietrich model F 4448 J is showing ERR3 on it’s LCD display. The oven stopped working. Can someone help me find the problem? What does the error code ERR3 means? Thanks AVI 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