{"id":10002,"date":"2026-08-21T18:14:12","date_gmt":"2026-08-21T22:14:12","guid":{"rendered":"https:\/\/cetechsupport.com\/?p=10002"},"modified":"2026-08-21T18:14:12","modified_gmt":"2026-08-21T22:14:12","slug":"code-14-94-tension-de-ligne-basse","status":"publish","type":"post","link":"https:\/\/cetechsupport.com\/fr\/code-14-94-line-voltage-low\/","title":{"rendered":"Code 14-94 Line Voltage Low"},"content":{"rendered":"<div class=\"wp-block-group fault-code-summary is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group__inner-container\">\n\n<h2 class=\"wp-block-heading\">Codes de d\u00e9faut couverts<\/h2>\n\n\n<p class=\"wp-block-paragraph\"><strong>14-94<\/strong><\/p>\n\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Une tension de ligne basse peut entra\u00eener une augmentation de la temp\u00e9rature des composants \u00e9lectroniques et raccourcir la dur\u00e9e de vie du variateur de fr\u00e9quence (VFD). \u00c9tant donn\u00e9 que la tension de commande est bas\u00e9e sur la tension de ligne, les sol\u00e9no\u00efdes et les relais peuvent \u00e9galement ne pas s'enclencher et se maintenir correctement. Le d\u00e9faut \u201c Tension de ligne basse \u201d est d\u00e9clench\u00e9 lorsque la tension de ligne entrante chute en dessous de 180 V CA RMS \u00e0 tout moment, ou lorsqu'elle chute en dessous de 185 V CA RMS pendant plus de 5 secondes. D\u00e8s que la tension de ligne d\u00e9passe 187 V, le d\u00e9faut dispara\u00eet. Tant que le d\u00e9faut est actif, l'appareil ne fonctionne pas ou s'arr\u00eate s'il est d\u00e9j\u00e0 en marche. Ce d\u00e9faut ne s'aggrave pas pour devenir un dysfonctionnement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sur les mod\u00e8les 26VNA\/27VNA, cette mesure est prise au secondaire du transformateur 24 VCA et une valeur d'\u00e9chelle est appliqu\u00e9e en usine pour corriger la variation du transformateur. Sur les mod\u00e8les 27VPA, le variateur de fr\u00e9quence mesure directement la tension de ligne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le technicien doit d'abord mesurer la tension de ligne d'entr\u00e9e au bornier. Deuxi\u00e8mement, v\u00e9rifier le serrage de toutes les connexions de tension de ligne. Des connexions desserr\u00e9es peuvent provoquer une chute de tension excessive et d\u00e9clencher ce d\u00e9faut. Si toutes les connexions sont serr\u00e9es et que la tension de ligne est toujours basse, des \u00e9tapes suppl\u00e9mentaires impliquant le fournisseur d'\u00e9lectricit\u00e9 local ou l'ajout d'un conditionneur de puissance externe peuvent \u00eatre n\u00e9cessaires.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><em>Pages de d\u00e9pannage ACHPVSR454-02SM.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Guide de d\u00e9pannage pour le(s) code(s) de d\u00e9faut 14-94.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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14-94.","_links":{"self":[{"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/posts\/10002","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/comments?post=10002"}],"version-history":[{"count":1,"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/posts\/10002\/revisions"}],"predecessor-version":[{"id":930454,"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/posts\/10002\/revisions\/930454"}],"wp:attachment":[{"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/media?parent=10002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/categories?post=10002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cetechsupport.com\/fr\/wp-json\/wp\/v2\/tags?post=10002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}