{"id":4286,"date":"2023-03-01T10:02:48","date_gmt":"2023-03-01T15:02:48","guid":{"rendered":"https:\/\/www.mroelectric.com\/blog\/?p=4286"},"modified":"2023-03-01T10:02:49","modified_gmt":"2023-03-01T15:02:49","slug":"common-uni1405-fault-codes","status":"publish","type":"post","link":"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/","title":{"rendered":"Common UNI1405 Fault Codes"},"content":{"rendered":"\n<p>Below is a table of common Unidrive faults found within the <a href=\"https:\/\/www.mroelectric.com\/control-techniques\/1\">Control Techniques<\/a> Unidrive series, more specifically, the <a href=\"https:\/\/www.mroelectric.com\/product\/UNI1405\">UNI1405<\/a>. MRO Electric offers core credit on exchanges for new and refurbished units, and have a wide selection of option cards such as the <a href=\"https:\/\/www.mroelectric.com\/product\/UD51\">UD51<\/a>, <a href=\"https:\/\/www.mroelectric.com\/product\/UD73\">UD73<\/a>, and <a href=\"https:\/\/www.mroelectric.com\/product\/UD77\">UD77<\/a>. We also <a href=\"https:\/\/www.mroelectric.com\/repair\/control-techniques\">repair Unidrives<\/a> in-house. Contact us if you are interested in finding a new machine so we can keep your downtime to a minimum!<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"UNIDRIVE IT.AC OI.AC OVERCURRENT TRIPS\" width=\"648\" height=\"486\" src=\"https:\/\/www.youtube.com\/embed\/sYObErJCy4o?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<table id=\"tablepress-16\" class=\"tablepress tablepress-id-16\">\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\">HF81<\/td><td class=\"column-2\">Software Error (odd address word)<\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">HF82<\/td><td class=\"column-2\">Large option module removed<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">HF83<\/td><td class=\"column-2\">Power Board Code Failure<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">HF84<\/td><td class=\"column-2\">Current Offset Trim Failure<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">HF85<\/td><td class=\"column-2\">A to D failure (ES-CC step)<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">HF86<\/td><td class=\"column-2\">Interrupt Watchdog failure<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">HF87<\/td><td class=\"column-2\">Internal ROM check error<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">HF88<\/td><td class=\"column-2\">Watchdog Failure<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">HF89<\/td><td class=\"column-2\">Unused Interrupts (nmi as source)<\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">HF90<\/td><td class=\"column-2\">Stack Overflow<\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">HF91<\/td><td class=\"column-2\">Stack Underflow<\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">HF92<\/td><td class=\"column-2\">Software Error (undefined op code)<\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">HF93<\/td><td class=\"column-2\">Software Error (protection fault)<\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">HF94<\/td><td class=\"column-2\">Software Error (odd address word)<\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">HF95<\/td><td class=\"column-2\">Software Error (odd address inst.)<\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\">HF96<\/td><td class=\"column-2\">Software Error (illegal ext bus)<\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\">HF97<\/td><td class=\"column-2\">Level 1 Noise<\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\">HF98<\/td><td class=\"column-2\">Interrupt Crash<\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\">HF99<\/td><td class=\"column-2\">Level 1 Crash<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-16 from cache -->\n","protected":false},"excerpt":{"rendered":"<p>Below is a table of common Unidrive faults found within the Control Techniques Unidrive series, more specifically, the UNI1405. MRO Electric offers core credit on exchanges for new and refurbished units, and have a wide selection of option cards such as the UD51, UD73, and UD77. We also repair Unidrives in-house. Contact us if you [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"footnotes":""},"categories":[97,12],"tags":[67],"class_list":["post-4286","post","type-post","status-publish","format-standard","hentry","category-control-techniques","category-troubleshooting-and-repair","tag-alarm-and-fault-codes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.3.1 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Common UNI1405 Fault Codes - MRO Electric Blog<\/title>\n<meta name=\"description\" content=\"Figure out what your UNI1405 fault code means. This fault code list explains what is happening to your Unidrive and what needs to be done to fix it.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Common UNI1405 Fault Codes\" \/>\n<meta property=\"og:description\" content=\"Figure out what your UNI1405 fault code means. This fault code list explains what is happening to your Unidrive and what needs to be done to fix it.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/\" \/>\n<meta property=\"og:site_name\" content=\"MRO Electric Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mroelectric\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-01T15:02:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-01T15:02:49+00:00\" \/>\n<meta name=\"author\" content=\"Brian Hughes\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mroelectric\" \/>\n<meta name=\"twitter:site\" content=\"@mroelectric\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Brian Hughes\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/\"},\"author\":{\"name\":\"Brian Hughes\",\"@id\":\"https:\/\/www.mroelectric.com\/blog\/#\/schema\/person\/17f5f3006a385c4cca90d6ba713324da\"},\"headline\":\"Common UNI1405 Fault Codes\",\"datePublished\":\"2023-03-01T15:02:48+00:00\",\"dateModified\":\"2023-03-01T15:02:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/\"},\"wordCount\":85,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/www.mroelectric.com\/blog\/#organization\"},\"keywords\":[\"Alarms &amp; Faults\"],\"articleSection\":[\"Control Techniques\",\"Troubleshooting &amp; Repair\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/\",\"url\":\"https:\/\/www.mroelectric.com\/blog\/common-uni1405-fault-codes\/\",\"name\":\"Common UNI1405 Fault Codes - MRO Electric Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.mroelectric.com\/blog\/#website\"},\"datePublished\":\"2023-03-01T15:02:48+00:00\",\"dateModified\":\"2023-03-01T15:02:49+00:00\",\"description\":\"Figure out what your UNI1405 fault code means. 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