{"id":283,"date":"2026-07-18T14:48:04","date_gmt":"2026-07-18T14:48:04","guid":{"rendered":"https:\/\/oayachtservice.com\/knowledgebase\/?post_type=docs&#038;p=283"},"modified":"2026-07-18T14:48:57","modified_gmt":"2026-07-18T14:48:57","password":"","slug":"octoplex-dcp-operation-and-troubleshooting","status":"publish","type":"docs","link":"https:\/\/oayachtservice.com\/knowledgebase\/?docs=octoplex-dcp-operation-and-troubleshooting","title":{"rendered":"OctoPlex DCP Operation and Troubleshooting"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Electronic Circuit Breaker (ECB) Status Indicators<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Overview<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>OctoPlex DC Power Distribution (DCP) System<\/strong> provides intelligent monitoring, control, and protection of the vessel\u2019s 24V DC electrical circuits through Electronic Circuit Breakers (ECBs).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Each ECB within the DC Power Distribution Unit includes two status indicators:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Green LED<\/strong><\/li>\n\n\n\n<li><strong>Red LED<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The illuminated or flashing LED pattern provides valuable diagnostic information regarding the operating condition of each individual circuit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide explains ECB status indications and provides basic troubleshooting steps for identifying common DC circuit issues.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">ECB LED Status Indicators<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Each Electronic Circuit Breaker (ECB) communicates its operating condition through LED status indicators.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>LED Status<\/th><th>Condition<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Green LED ON<\/td><td>Normal Operation<\/td><td>ECB is powered and operating normally with the circuit available.<\/td><\/tr><tr><td>Green LED Flashing<\/td><td>Communication \/ Status Indication<\/td><td>ECB is communicating and functioning but may indicate a commanded or monitored state.<\/td><\/tr><tr><td>Red LED ON<\/td><td>Fault Condition<\/td><td>ECB has detected a fault condition or has opened the circuit for protection.<\/td><\/tr><tr><td>Red LED Flashing<\/td><td>Warning \/ Fault Indication<\/td><td>ECB has detected an abnormal operating condition requiring inspection.<\/td><\/tr><tr><td>No LED Illumination<\/td><td>Loss of Power or ECB Failure<\/td><td>Verify DC supply, connections, and ECB condition.<\/td><\/tr><tr><td>Red and Green LEDs Alternating<\/td><td>Diagnostic \/ Fault State<\/td><td>Review system status and investigate the associated circuit.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>LED behavior may vary depending on OctoPlex configuration and software version. Refer to vessel-specific documentation when available.<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Understanding ECB Fault Conditions<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">An ECB may activate protection due to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Electrical overload.<\/li>\n\n\n\n<li>Short circuit.<\/li>\n\n\n\n<li>Excessive current draw.<\/li>\n\n\n\n<li>Wiring faults.<\/li>\n\n\n\n<li>Connected equipment failure.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When a fault occurs, the ECB protects the vessel\u2019s electrical system by disconnecting power to the affected circuit.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Troubleshooting an ECB Fault<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Step 1 \u2013 Identify the Affected Circuit<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Using the OctoPlex monitoring interface:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Identify the circuit showing a fault.<\/li>\n\n\n\n<li>Confirm the associated equipment.<\/li>\n\n\n\n<li>Review any displayed alarms or status messages.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 2 \u2013 Inspect the Connected Load<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before resetting the ECB:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Equipment malfunction.<\/li>\n\n\n\n<li>Damaged wiring.<\/li>\n\n\n\n<li>Loose connections.<\/li>\n\n\n\n<li>Water intrusion.<\/li>\n\n\n\n<li>Signs of overheating.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Correct any known issues before restoring power.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Step 3 \u2013 Reset the ECB<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">After the fault source has been corrected:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Command the circuit OFF.<\/li>\n\n\n\n<li>Allow the ECB to reset.<\/li>\n\n\n\n<li>Command the circuit ON.<\/li>\n\n\n\n<li>Confirm normal operation.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">If the ECB immediately faults again, further troubleshooting is required.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">No LED Indication<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">If an ECB has no illuminated LEDs:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Verify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DC supply to the OctoPlex unit.<\/li>\n\n\n\n<li>Main DC input power.<\/li>\n\n\n\n<li>ECB seating and connection.<\/li>\n\n\n\n<li>Distribution unit operation.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A failed ECB or loss of supply power may result in no LED indication.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Preventative Maintenance<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">To maintain reliable OctoPlex DC system operation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Monitor recurring ECB faults.<\/li>\n\n\n\n<li>Inspect electrical connections during routine service.<\/li>\n\n\n\n<li>Maintain accurate circuit labeling.<\/li>\n\n\n\n<li>Verify connected equipment remains within designed electrical loads.<\/li>\n\n\n\n<li>Keep OctoPlex software and system documentation current.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Important Notes<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Electronic Circuit Breakers provide both <strong>circuit protection and system monitoring<\/strong>. Repeated breaker trips should always be investigated rather than repeatedly reset.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding ECB LED indications allows crew and technicians to quickly identify whether a problem originates from:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The connected equipment.<\/li>\n\n\n\n<li>The wiring.<\/li>\n\n\n\n<li>The ECB.<\/li>\n\n\n\n<li>The OctoPlex control system.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">This guide is intended as a supplemental <strong>Ocean Alexander Knowledge Base reference<\/strong> and does not replace official OctoPlex technical documentation or vessel-specific electrical procedures.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/oayachtservice.com\/KBMedia\/dcdx.png\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>East Coast Yacht Group<\/strong><br>2955 West State Road 84<br>Fort Lauderdale, FL 33312<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Service Department<\/strong><br>954.530.2033<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Contact our Service Department today to learn how we can help ensure safe and peak performance for your vessel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Electronic Circuit Breaker (ECB) Status Indicators Overview The OctoPlex DC Power Distribution (DCP) System provides intelligent monitoring, control, and protection of the vessel\u2019s 24V DC electrical circuits through Electronic Circuit Breakers (ECBs). Each ECB within the DC Power Distribution Unit includes two status indicators: The illuminated or flashing LED pattern provides valuable diagnostic information regarding &#8230; <a title=\"OctoPlex DCP Operation and Troubleshooting\" class=\"read-more\" href=\"https:\/\/oayachtservice.com\/knowledgebase\/?docs=octoplex-dcp-operation-and-troubleshooting\" aria-label=\"Read more about OctoPlex DCP Operation and Troubleshooting\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[6],"doc_tag":[],"class_list":["post-283","docs","type-docs","status-publish","hentry","doc_category-electrical"],"year_month":"2026-07","word_count":530,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"admin","author_nicename":"oaadmin","author_url":"https:\/\/oayachtservice.com\/knowledgebase\/?author=1"},"doc_category_info":[{"term_name":"Electrical","term_url":"https:\/\/oayachtservice.com\/knowledgebase\/?doc_category=electrical"}],"doc_tag_info":[],"_links":{"self":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=283"}],"version-history":[{"count":1,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/283\/revisions"}],"predecessor-version":[{"id":284,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/283\/revisions\/284"}],"wp:attachment":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=283"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=283"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}