{"id":4247,"date":"2018-07-19T14:40:58","date_gmt":"2018-07-19T21:40:58","guid":{"rendered":""},"modified":"2020-09-16T08:10:28","modified_gmt":"2020-09-16T15:10:28","slug":"4247","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/4247","title":{"rendered":"How can I tell if my LabQuest power adapter is good?"},"content":{"rendered":"<p>Here are several ways to determine if you LabQuest power adapter is functioning.<\/p>\n<p>1) Check to see that the LabQuest battery icon shows that the battery is charging.<br \/>\nIt can take up to a minute for the battery icon to refresh.<br \/>\nDisconnecting and reconnecting a <b><i>working adapter<\/i><\/b> can force the icon to update faster.<br \/>\n<a href=\"\/til\/9330\/\">What does the battery icon on my original LabQuest mean?<\/a><br \/>\n<a href=\"\/til\/2763\/\">What does the battery icon on my LabQuest 2 mean?<\/a><br \/>\n<a href=\"\/til\/8410\/\">What does the battery icon on my LabQuest 3 mean?<\/a><\/p>\n<p>2) Use a multimeter or voltage probe to measure the voltage output of the adapter. It should measure around 5 V DC.<br \/>\nThe LabQuest power supply is center-positive and outside negative.<\/p>\n<p>3) Remove the battery from a <b>working<\/b> LabQuest that is turned off. Connect the AC adapter to the unit without the battery.<br \/>\nThe unit should boot normally without the battery.<\/p>\n<p>If you find you have a bad adapter, it will need to be replaced.<br \/>\n<a href=\"\/product\/labquest-power-supply\/\">LabQuest<sup>&reg;<\/sup> Power Supply<\/a> (<nobr>LQ3-PS<\/nobr>)<\/p>","protected":false},"excerpt":{"rendered":"<p>Here are several ways to determine if you LabQuest power adapter is functioning. 1) Check to see that the LabQuest battery icon shows that the&#8230;<\/p>\n","protected":false},"author":1698,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[7107,7106,2982],"class_list":["post-4247","post","type-post","status-publish","format-standard","hentry","tag-ac-adapter-power-supply","tag-battery-wont-charge","tag-lq-ps"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/4247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/users\/1698"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=4247"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/4247\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=4247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=4247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=4247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}