{"id":50021,"date":"2026-10-30T23:10:00","date_gmt":"2026-10-30T22:10:00","guid":{"rendered":"https:\/\/attendico.com\/kb-2026-additional\/understanding-inactive-missing-and-expired-public-qr-display-states"},"modified":"2026-11-02T18:16:22","modified_gmt":"2026-11-02T16:16:22","slug":"understanding-inactive-missing-and-expired-public-qr-display-states","status":"publish","type":"post","link":"https:\/\/attendico.com\/de\/understanding-inactive-missing-and-expired-public-qr-display-states\/","title":{"rendered":"Understanding Inactive, Missing and Expired Public QR Display States"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The public QR display requests a time-limited signed token for its configured point. Depending on the server response it may show a loading state, an inactive point message or an error instead of a valid QR.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is this option for?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use this when the shared screen is no longer displaying a scannable code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Before you begin<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A QR point has been created in ATS Cloud.<\/li>\n\n\n\n<li>You have the actual Public Link used by the screen.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding the controls<\/h2>\n\n\n\n<dl>\n<dt><strong>Inactive<\/strong><\/dt>\n<dd>The saved point is not currently active; the display clears the QR.<\/dd>\n<dt><strong>Token missing \/ Load failed<\/strong><\/dt>\n<dd>The display could not obtain a usable token.<\/dd>\n<dt><strong>Refresh Countdown<\/strong><\/dt>\n<dd>Time until the next QR change.<\/dd>\n<dt><strong>90-second expiration<\/strong><\/dt>\n<dd>The display clears an expired token rather than displaying an unusable one.<\/dd>\n<\/dl>\n\n\n\n<h2 class=\"wp-block-heading\">Step-by-step instructions<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Open the Public Link on the display browser.<\/li>\n\n\n\n<li>If the screen reports Inactive, sign in to ATS Cloud \u2192 QR Code.<\/li>\n\n\n\n<li>Open the matching QR point and inspect Active; enable it and Save if appropriate.<\/li>\n\n\n\n<li>If the display reports a loading error, check the browser\u2019s network reachability and the public URL.<\/li>\n\n\n\n<li>Check whether the QR point has been removed or the Public Link is incorrect.<\/li>\n\n\n\n<li>Allow the page to retry fetching a token; the Angular code retries after request errors.<\/li>\n\n\n\n<li>Observe the countdown and verify that a new token appears after the refresh interval.<\/li>\n\n\n\n<li>If a token expires while refresh fails, expect the QR to clear rather than treating the previous code as valid.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What happens next?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The public display renders a code only when it has an active point and a usable token.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Important notes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A static screenshot of a QR code cannot be used as a long-running attendance display.<\/li>\n\n\n\n<li>Do not confuse an employee\u2019s failed scan with a display that lacks a current valid token.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The public QR display requests a time-limited signed token for its configured point. Depending on the server response it may show a loading state, an inactive point message or an error instead of a valid QR.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[69],"tags":[],"class_list":["post-50021","post","type-post","status-publish","format-standard","hentry","category-qr-attendance-points"],"_links":{"self":[{"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/posts\/50021","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/comments?post=50021"}],"version-history":[{"count":1,"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/posts\/50021\/revisions"}],"predecessor-version":[{"id":50185,"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/posts\/50021\/revisions\/50185"}],"wp:attachment":[{"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/media?parent=50021"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/categories?post=50021"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/attendico.com\/de\/wp-json\/wp\/v2\/tags?post=50021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}