{"id":8100,"date":"2026-05-19T16:20:24","date_gmt":"2026-05-19T06:50:24","guid":{"rendered":"https:\/\/serg.org.au\/?p=8100"},"modified":"2026-05-20T11:59:13","modified_gmt":"2026-05-20T02:29:13","slug":"naracoorte-power-failure","status":"publish","type":"post","link":"https:\/\/serg.org.au\/index.php\/2026\/05\/19\/naracoorte-power-failure\/","title":{"rendered":"Naracoorte power failure"},"content":{"rendered":"\n<p>Naracoorte repeater fault \u2013 May 17<sup>th<\/sup> 2026<\/p>\n\n\n\n<p><em>The proverbial failure of a 20 cent part . . . . . .<\/em><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"333\" src=\"https:\/\/serg.org.au\/wp-content\/uploads\/2026\/05\/fuse.jpg\" alt=\"\" class=\"wp-image-8102\" srcset=\"https:\/\/serg.org.au\/wp-content\/uploads\/2026\/05\/fuse.jpg 250w, https:\/\/serg.org.au\/wp-content\/uploads\/2026\/05\/fuse-225x300.jpg 225w\" sizes=\"auto, (max-width: 250px) 85vw, 250px\" \/><\/figure>\n<\/div>\n\n\n<p>Following a report that the Naracoorte 2m repeater was \u2018off the air\u201d, Peter VK5BE &amp; Nick VK5NJS travelled up to the site to investigate the reported failure.<\/p>\n\n\n\n<p>Upon arrival, it was noted that the main power supply still had mains power, but no DC output, and the 12 volt back-up battery had discharged down to 10 volts where the repeater had shut down. &nbsp;It was also noted that a \u201cDC fuse fail\u201d alarm was active on the front panel of the power supply.<\/p>\n\n\n\n<p>The 30 Amp glass DC fuse was then removed &amp; visually inspected &amp; all appeared normal. However upon testing the fuse with a multimeter, it was found to be open circuit, despite appearing OK. The fuse was faulty without being blown.<\/p>\n\n\n\n<p>Another fuse of similar rating was fitted to the power supply, &amp; the repeater restored to service &amp; all functions tested OK. A faulty 20 cent fuse had caused a total site failure.<\/p>\n\n\n\n<p>Lesson learnt \u2013 don\u2019t assume that if a glass fuse looks OK, that it is actually OK.<\/p>\n ","protected":false},"excerpt":{"rendered":"<p>Naracoorte repeater fault \u2013 May 17th 2026 The proverbial failure of a 20 cent part . . . . . . Following a report that the Naracoorte 2m repeater was \u2018off the air\u201d, Peter VK5BE &amp; Nick VK5NJS travelled up to the site to investigate the reported failure. Upon arrival, it was noted that the &hellip; <a href=\"https:\/\/serg.org.au\/index.php\/2026\/05\/19\/naracoorte-power-failure\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Naracoorte power failure&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-8100","post","type-post","status-publish","format-standard","hentry","category-posts"],"_links":{"self":[{"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/posts\/8100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/comments?post=8100"}],"version-history":[{"count":2,"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/posts\/8100\/revisions"}],"predecessor-version":[{"id":8103,"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/posts\/8100\/revisions\/8103"}],"wp:attachment":[{"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/media?parent=8100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/categories?post=8100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serg.org.au\/index.php\/wp-json\/wp\/v2\/tags?post=8100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}