siemens hb55055gb/01 wm with Er1 Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › siemens hb55055gb/01 wm with Er1 This topic has 1 reply, 2 voices, and was last updated 11 years, 10 months ago by DDA. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts May 22, 2014 at 3:27 pm #80772 DDAParticipant I have the above machine showing the error code (Er1) Dose anyone have any error code sheets for bosch / neff / Siemens of any idea what er1 means. any help will be appreciated Many thanks May 22, 2014 at 3:36 pm #414116 MartinParticipant Re: siemens hb55055gb/01 wm with Er1 Er1 = Temperature Sensor failure Er2 = Faulty mains connection Er4 = Temperature sensor failure Er6 = Door lock defective Er7 = Release mechanism if door lock defective 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