{"id":17475,"date":"2026-11-07T14:18:02","date_gmt":"2026-11-07T13:18:02","guid":{"rendered":"https:\/\/ventsystems.de\/rollladen-bei-stromausfall-oeffnen\/"},"modified":"2026-11-07T15:01:47","modified_gmt":"2026-11-07T14:01:47","slug":"rollladen-bei-stromausfall-oeffnen","status":"publish","type":"post","link":"https:\/\/ventsystems.de\/en\/rollladen-bei-stromausfall-oeffnen\/","title":{"rendered":"Opening roller shutters during a power cut: manual crank and alternatives"},"content":{"rendered":"

In brief:<\/strong> Ein normaler Rohrmotor h\u00e4lt den Rollladen bei Stromausfall fest \u2013 von Hand l\u00e4sst er sich nicht bewegen. Wer auch ohne Strom \u00f6ffnen will, braucht einen Motor mit Nothandkurbel, einen Akku-Solar-Motor oder eine Notstromversorgung. Das ist besonders wichtig bei Rolltoren und Fluchtwegen.<\/p>\n

Three solutions<\/h2>\n\n\n\n\n\n\n\n
Solution<\/th>\nHow it works<\/th>\nExample<\/th>\n<\/tr>\n<\/thead>\n
Motor with manual override<\/td>\nworm gear with crank connection, can be turned by hand<\/td>\nA-OK AM45E<\/a>, 30\u201350 Nm, ab 125 \u20ac<\/td>\n<\/tr>\n
battery-solar motor<\/td>\nkeeps running on its own battery<\/td>\nA-OK AM45 battery-solar<\/a>, ab 235 \u20ac<\/td>\n<\/tr>\n
Emergency power \/ UPS<\/td>\npowers the motor for a short time<\/td>\nfor commercial use, see UPS<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

How to use the manual override crank<\/h2>\n
    \n
  1. Insert the crank into the eyelet on the motor head or the crank feed-through.<\/li>\n
  2. Turn slowly \u2013 because of the reduction (15:1 on the AM45E), many turns are needed.<\/li>\n
  3. When power returns, remove the crank and check the end positions.<\/li>\n<\/ol>\n

    When is manual emergency operation mandatory?<\/h2>\n

    For roller doors that are the only access and for windows that serve as escape routes, opening without power should be possible. Similar considerations apply to window actuators \u2013 more in the guide Window actuator during a power cut<\/a>.<\/p>\n

    Frequently asked questions<\/h2>\n

    Can I add a crank to an existing motor?<\/h3>\n

    No, the crank must be built into the motor. The motor is replaced with a model with manual override.<\/p>\n

    Does the crank also work with radio motors?<\/h3>\n

    Yes, the AM45E is also available with a built-in radio receiver (433 MHz).<\/p>\n

    Calculate the torque yourself: Roller shutter motor calculator<\/a>. All guides on roller shutter, awning and external venetian blind motors: Sun protection guide<\/a>.<\/p>\n

    Advice on the right motor<\/h2>\n

    Send us the shaft diameter, curtain size and material \u2013 we will name the right A-OK motor. Phone 040 50694631<\/a> (Mon\u2013Fri 8 am\u20135 pm) or via the Contact form<\/a>. All motors at a glance: Sun protection motors<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

    Opening roller shutters or awnings during a power cut: motor with manual override, battery-solar motor or UPS. A-OK AM45E with crank from \u20ac125 net.<\/p>","protected":false},"author":9,"featured_media":16993,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1960],"tags":[],"class_list":["post-17475","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-planung-montage"],"acf":[],"_links":{"self":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/posts\/17475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/comments?post=17475"}],"version-history":[{"count":1,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/posts\/17475\/revisions"}],"predecessor-version":[{"id":17512,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/posts\/17475\/revisions\/17512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/media\/16993"}],"wp:attachment":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/media?parent=17475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/categories?post=17475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/tags?post=17475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}