Neff U1661 error code ‘6er’ Home › Forums › Public Support Forums › Help And Support › Cooker And Oven Forum › Neff U1661 error code ‘6er’ This topic has 0 replies, 1 voice, and was last updated 17 years, 1 month ago by Pozislot. Viewing 1 post (of 1 total) Author Posts March 10, 2009 at 3:37 pm #44104 PozislotParticipant The control panel display for the mini (top) oven shows zero (with the knobs in the off position). Immediately the function selector knob is turned clockwise it changes to 6er. Powering off/on does not clear it. Any ideas? Thanks for looking 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