Siemens WM14K280GB Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Siemens WM14K280GB This topic has 1 reply, 2 voices, and was last updated 3 years, 10 months ago by jrrepair_2000. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts May 31, 2022 at 4:58 pm #100871 jrrepair_2000Participant Changed the motor brushes. F21 error code. Tried resetting using 6-7th position whilst holding the spin button in. Does not want to reset. Does anyone know the correct procedure for resetting please? May 31, 2022 at 5:45 pm #482548 electrofixModerator since Siemans and bosch are from the same family try https://www.ukwhitegoods.co.uk/forums/forum/trade-member-forums/trade-technical-spare-parts-forums/trade-technical-enquiries/879251-bosch-reset Dave 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