{"id":1286,"date":"2025-07-07T01:25:42","date_gmt":"2025-07-06T23:25:42","guid":{"rendered":"https:\/\/wp.stromer-tech.info\/?post_type=ht_kb&#038;p=1286"},"modified":"2026-07-18T15:03:24","modified_gmt":"2026-07-18T13:03:24","slug":"di2-nothing-works-anymore-reset","status":"publish","type":"ht_kb","link":"https:\/\/wp.stromer-tech.info\/en\/knowledge-base\/di2-nichts-geht-mehr-reset\/","title":{"rendered":"Di2 - \"Nothing works anymore\" &gt; Reset"},"content":{"rendered":"<p class=\"wp-block-paragraph\" id=\"eff60be2-f857-4153-a88e-c32a504ca6b9\">A Di2 rear derailleur has a so-called RD protection function (RD = Road Dual), a system protection that briefly interrupts the connection between the motor and the joint in the event of a crash or a heavy impact on the rear derailleur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"919d29d2-6997-457f-a416-963cf467a0be\">If this happens, you need to perform a reset. To do this, press and hold the Mode button on the information display (ST2S) or the button (see image) on the EW-RS910 (ST5) for at least 5 seconds. This will restore the connection between the motor and the joint and reset the derailleur protection function for the shifting mechanism.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"265\" src=\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/68608607-1ff7-4f69-aa1e-bdda879e299b.jpg\" alt=\"\" class=\"wp-image-1287\" srcset=\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/68608607-1ff7-4f69-aa1e-bdda879e299b.jpg 1080w, https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/68608607-1ff7-4f69-aa1e-bdda879e299b-300x74.jpg 300w, https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/68608607-1ff7-4f69-aa1e-bdda879e299b-1024x251.jpg 1024w, https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/68608607-1ff7-4f69-aa1e-bdda879e299b-768x188.jpg 768w, https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/68608607-1ff7-4f69-aa1e-bdda879e299b-50x12.jpg 50w, https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/68608607-1ff7-4f69-aa1e-bdda879e299b-60x15.jpg 60w, https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/68608607-1ff7-4f69-aa1e-bdda879e299b-100x25.jpg 100w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Ein Di2 Schaltwerk besitzt eine sog. RD Schutzfunktion (RD = Road Dual), ein Systemschutz, welcher die Verbindung zwischen Motor und Gelenk bei einem Sturz oder heftigen Stoss auf das Schaltwerk kurzzeitig unterbricht. Wenn dies passiert muss man einen Reset durchf\u00fchren. Dazu dr\u00fcckt und h\u00e4lt man die Modus-Taste am Informationsdisplay (ST2S)&#8230;<\/p>","protected":false},"author":1,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[213],"ht-kb-tag":[],"class_list":["post-1286","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-shimano"],"_links":{"self":[{"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/ht-kb\/1286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/comments?post=1286"}],"version-history":[{"count":6,"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/ht-kb\/1286\/revisions"}],"predecessor-version":[{"id":12454,"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/ht-kb\/1286\/revisions\/12454"}],"wp:attachment":[{"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/media?parent=1286"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/ht-kb-category?post=1286"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/wp.stromer-tech.info\/en\/wp-json\/wp\/v2\/ht-kb-tag?post=1286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}