{"id":80659,"date":"2022-01-05T16:22:14","date_gmt":"2022-01-05T21:22:14","guid":{"rendered":"https:\/\/www.mingledorffs.com\/?p=80659"},"modified":"2022-01-05T16:22:26","modified_gmt":"2022-01-05T21:22:26","slug":"how-to-check-ctb-during-a-cooling-call","status":"publish","type":"post","link":"https:\/\/www.mingledorffs.com\/how-to-check-ctb-during-a-cooling-call\/","title":{"rendered":"How to Check the CTB During a Cooling Call"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"80659\" class=\"elementor elementor-80659\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-38728196 elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"38728196\" data-element_type=\"section\" data-settings=\"{"background_background":"classic"}\">\n\t\t\t\t\t\t\t<div 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href=\"https:\/\/www.mingledorffs.com\/2022\/01\/05\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-calendar\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>January 5, 2022<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2964194 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"2964194\" data-element_type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">How to Check the CTB During a Cooling Call<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6d8066 elementor-drop-cap-yes elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"e6d8066\" data-element_type=\"widget\" data-settings=\"{"drop_cap":"yes"}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The CTB (central terminal board) is a board that is often replaced unnecessarily. A CTB is simply a junction board since there aren\u2019t any logics or relays on the board to fail. Below we will cover the steps for checking the CTB:<\/p><ol><li>Check for 24VAC on Y1 & common at the thermostat connection.<\/li><\/ol>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04db660 elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"04db660\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"http:\/\/www.IonComfort.com\" tabindex=\"-1\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"728\" src=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.13-PM-1024x728.png\" class=\"attachment-large size-large wp-image-80896\" alt=\"\" srcset=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.13-PM-1024x728.png 1024w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.13-PM-300x213.png 300w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.13-PM-768x546.png 768w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.13-PM-1536x1092.png 1536w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.13-PM.png 1818w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4770054 elementor-widget elementor-widget-text-editor\" data-id=\"4770054\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>2. Check for 24VAC on the ECON plug pin 1 blue wire – this is an output to the ECON<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1dfced elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"b1dfced\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"http:\/\/www.IonComfort.com\" tabindex=\"-1\"><img decoding=\"async\" width=\"1024\" height=\"756\" src=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.30-PM-1024x756.png\" class=\"attachment-large size-large wp-image-80897\" alt=\"\" srcset=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.30-PM-1024x756.png 1024w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.30-PM-300x222.png 300w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.30-PM-768x567.png 768w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.30-PM-1536x1135.png 1536w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.16.30-PM.png 1822w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef1dbc7 elementor-widget elementor-widget-text-editor\" data-id=\"ef1dbc7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>3. Check for 24VAC on the ECON plug pin 2 gray wire – this is a return wire from ECON.<\/p><p>Note: if you don\u2019t have 24VAC, you will need to check the ECON PLUG in filter section or wire.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-684f110 elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"684f110\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"http:\/\/www.IonComfort.com\" tabindex=\"-1\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"755\" src=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.17.47-PM-1024x755.png\" class=\"attachment-large size-large wp-image-80898\" alt=\"\" srcset=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.17.47-PM-1024x755.png 1024w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.17.47-PM-300x221.png 300w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.17.47-PM-768x566.png 768w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.17.47-PM-1536x1132.png 1536w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.17.47-PM.png 1802w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2235358 elementor-widget elementor-widget-text-editor\" data-id=\"2235358\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>4. Check for 24VAC on the CLO1\/COMP1 Plug pin 4. If you read 24VAC here, this will indicate there isn\u2019t an issue with the ECON Section.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3193a38 elementor-widget elementor-widget-image\" data-id=\"3193a38\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"759\" src=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.08-PM-1024x759.png\" class=\"attachment-large size-large wp-image-80899\" alt=\"\" srcset=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.08-PM-1024x759.png 1024w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.08-PM-300x222.png 300w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.08-PM-768x570.png 768w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.08-PM-1536x1139.png 1536w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.08-PM.png 1718w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59a901d elementor-widget elementor-widget-text-editor\" data-id=\"59a901d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>5. Check for 24VAC on pin 6 of the CLO1 PLUG<\/p><p>Note: if you don\u2019t read 24VAC here, you have a pressure switch open.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7d2857 elementor-widget elementor-widget-image\" data-id=\"e7d2857\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"747\" src=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.26-PM-1024x747.png\" class=\"attachment-large size-large wp-image-80900\" alt=\"\" srcset=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.26-PM-1024x747.png 1024w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.26-PM-300x219.png 300w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.26-PM-768x560.png 768w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.26-PM-1536x1121.png 1536w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2022\/01\/Screen-Shot-2022-01-05-at-4.18.26-PM.png 1686w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3888bf4 elementor-widget elementor-widget-text-editor\" data-id=\"3888bf4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Follow the information provided and you will be able to determine the cause of a compressor malfunction or if a compressor is not starting during a cooling call.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f6d29b3 elementor-widget elementor-widget-facebook-button\" data-id=\"4f6d29b3\" data-element_type=\"widget\" data-widget_type=\"facebook-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div data-layout=\"standard\" data-colorscheme=\"light\" data-size=\"small\" data-show-faces=\"true\" class=\"elementor-facebook-widget fb-like\" data-href=\"https:\/\/www.mingledorffs.com\/how-to-check-ctb-during-a-cooling-call\/\" data-share=\"true\" data-action=\"like\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d7bfd4f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3d7bfd4f\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-176abc94 elementor-widget elementor-widget-heading\" data-id=\"176abc94\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">More to explore<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-695454 elementor-grid-1 elementor-posts--thumbnail-left elementor-grid-tablet-1 elementor-grid-mobile-1 elementor-widget elementor-widget-posts\" data-id=\"695454\" data-element_type=\"widget\" data-settings=\"{"classic_columns":"1","classic_row_gap":{"unit":"px","size":"10","sizes":[]},"classic_columns_tablet":"1","classic_columns_mobile":"1","classic_row_gap_tablet":{"unit":"px","size":"","sizes":[]},"classic_row_gap_mobile":{"unit":"px","size":"","sizes":[]}}\" data-widget_type=\"posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div 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type-post status-publish format-quote has-post-thumbnail hentry category-announcements post_format-post-format-quote\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.mingledorffs.com\/blackhistorymonth\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2024\/02\/Header-300x169.png\" class=\"attachment-medium size-medium wp-image-145143\" alt=\"\" srcset=\"https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2024\/02\/Header-300x169.png 300w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2024\/02\/Header-1024x576.png 1024w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2024\/02\/Header-768x432.png 768w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2024\/02\/Header-1536x864.png 1536w, https:\/\/www.mingledorffs.com\/wp-content\/uploads\/2024\/02\/Header.png 1920w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.mingledorffs.com\/blackhistorymonth\/\" >\n\t\t\t\tBlack History Month\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tFebruary 1, 2024\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-avatar\">\n\t\t\tNo Comments\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Black History Month takes place between February 1st and March 1st every year. It’s a time to celebrate and observe the accomplishments,<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-83715db elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"83715db\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4d75e79\" data-id=\"4d75e79\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6953614 elementor-widget elementor-widget-heading\" data-id=\"6953614\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Heat Pump<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-139b926 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"139b926\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-364bd69\" data-id=\"364bd69\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0840365 elementor-widget elementor-widget-text-editor\" data-id=\"0840365\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Keep up with the latest HVAC news from <a href=\"https:\/\/www.mingledorffs.com\/\">Mingledorff’s Inc.<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Share on facebook Share on twitter Share on linkedin Share on email Share on print The CTB (central terminal board) is a board that is often replaced unnecessarily. A CTB … <a title=\"Black History Month\" class=\"read-more\" href=\"https:\/\/www.mingledorffs.com\/blackhistorymonth\/\" aria-label=\"Read more about Black History Month\">Read more<\/a><\/p>\n","protected":false},"author":16,"featured_media":80666,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"content-type":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":"","_tec_slr_enabled":"","_tec_slr_layout":""},"categories":[149],"tags":[],"class_list":["post-80659","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-services"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Check CTB | Your #1 HVAC Distributor Choice | Mingledorff's Inc.<\/title>\n<meta name=\"description\" content=\"The CTB is a board that is replaced and it\u2019s no more than a Junction Board since there aren\u2019t any logics or relays on the board to fail. 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