{"id":19484,"date":"2025-08-13T07:33:52","date_gmt":"2025-08-13T07:33:52","guid":{"rendered":"https:\/\/resistance-welding.com\/?p=19484"},"modified":"2025-10-09T07:04:43","modified_gmt":"2025-10-09T07:04:43","slug":"defauts-et-contre-mesures-du-controleur-de-soudage-mfdc","status":"publish","type":"post","link":"https:\/\/resistance-welding.com\/fr\/faults-and-countermeasures-of-mfdc-welding-controller\/","title":{"rendered":"D\u00e9fauts et contre-mesures du contr\u00f4leur de soudage MFDC"},"content":{"rendered":"

Avec le d\u00e9veloppement de la technologie de soudage par r\u00e9sistance, de plus en plus de soudeurs par points utilisent la technologie de soudage \u00e0 courant continu \u00e0 moyenne fr\u00e9quence, qui n\u00e9cessite l'utilisation de Contr\u00f4leurs de soudage MFDC<\/a>. Si vous utilisez un Soudeuse par points MFDC<\/a> ou si vous \u00eates sur le point d'en utiliser un, cet article vous guidera dans vos choix.<\/p>\n

\"D\u00e9fauts<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
01 La tension d'alimentation de la vanne d'air est faible<\/td>\ninterrompre l'alarme<\/td>\nnon r\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
probl\u00e8me avec le DC24V externe<\/td>\n<\/td>\nV\u00e9rifiez si le DC24V sur l'alimentation de la vanne d'air X1 est normal<\/td>\n<\/tr>\n
02 D\u00e9faillance du variateur<\/td>\ninterrompre l'alarme<\/td>\nnon r\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
Pendant le processus de l'onduleur, le dispositif IGBT est en surintensit\u00e9 ou le courant d'entra\u00eenement correspondant ne fonctionne pas correctement<\/td>\n– Check whether the main board and driver wiring are loose<\/p>\n

– Check whether the wiring between the driver board and the IGBT is loose<\/p>\n

– IGBT device is damaged, replace the controller<\/td>\n<\/tr>\n

03 Dissipateur thermique surchauff\u00e9<\/td>\ninterrompre l'alarme<\/td>\nR\u00e9initialisation automatique apr\u00e8s baisse de temp\u00e9rature<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Cooling water inlet temperature is too high<\/p>\n

– The duty cycle is too high<\/p>\n

– Insufficient cooling water flow<\/p>\n

– The temperature relay is damaged (normally closed, the main board X7 is the input of the temperature relay)<\/td>\n

-R\u00e9duire la temp\u00e9rature d'entr\u00e9e de l'eau de refroidissement<\/p>\n

-R\u00e9duire le cycle de service du contr\u00f4leur<\/p>\n

-Assurez-vous que l'eau de refroidissement n'est pas obstru\u00e9e<\/p>\n

-remplacer le relais de temp\u00e9rature<\/td>\n<\/tr>\n

04 Courant primaire anormal<\/td>\ninterrompre l'alarme<\/td>\nr\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
- Un court-circuit de charge (court-circuit primaire du transformateur ou court-circuit de ligne U, V) provoque un courant de sortie de l'onduleur trop important.<\/p>\n

-Court-circuit du transformateur \u00e0 la terre<\/p>\n

– The two primary side transformers are asymmetrical<\/p>\n

– Main control board detection abnormality<\/td>\n

– Check if the load is short circuited<\/p>\n

– Check transformer insulation<\/p>\n

-Remplacer le transformateur primaire<\/p>\n

-Remplacer la carte de commande principale<\/td>\n<\/tr>\n

05 Tension anormale du condensateur<\/td>\ninterrompre l'alarme<\/td>\nNon r\u00e9initialisable, r\u00e9initialis\u00e9 automatiquement une fois la tension atteinte<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Unstable power grid or lack of phase<\/p>\n

– Abnormal charging of the capacitor<\/td>\n

<\/td>\n-Assurez-vous que le r\u00e9seau \u00e9lectrique est normal et stable sans perte de phase<\/p>\n

-Remplacer le contr\u00f4leur<\/td>\n<\/tr>\n

06 +5v alimentation haute<\/td>\ninterrompre l'alarme<\/td>\nNon r\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Abnormal operating voltage of the motherboard<\/td>\n-Remplacer la carte m\u00e8re<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
07 +15V Puissance \u00e9lev\u00e9e<\/td>\ninterrompre l'alarme<\/td>\nNon r\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
-L'alimentation de la carte m\u00e8re est anormale -La ligne de contr\u00f4le de temp\u00e9rature du transformateur est connect\u00e9e \u00e0 la haute tension<\/td>\n<\/td>\n-Assurez-vous que l'alimentation de la carte m\u00e8re DC24V est normale<\/p>\n

– Check the transformer temperature control line<\/p>\n

-Remplacer la carte m\u00e8re<\/td>\n<\/tr>\n

08 -15 V Puissance \u00e9lev\u00e9e<\/td>\ninterrompre l'alarme<\/td>\nNon r\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– The power supply of the motherboard is abnormal<\/td>\n-Assurez-vous que l'alimentation de la carte m\u00e8re DC24V est normale<\/p>\n

-Remplacer la carte m\u00e8re<\/td>\n<\/tr>\n

09 La temp\u00e9rature du transformateur est trop \u00e9lev\u00e9e<\/td>\ninterrompre l'alarme<\/td>\nNon r\u00e9initialisable, r\u00e9initialise automatiquement lorsque la temp\u00e9rature baisse<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Transformer cooling water inlet temperature is too high<\/p>\n

– High duty cycle<\/p>\n

– Insufficient cooling water flow<\/p>\n

– The internal temperature relay of the transformer is damaged (normally normally closed, and the main board X5-3 is the input of the temperature relay)<\/td>\n

– Reduce cooling water inlet temperature<\/p>\n

-R\u00e9duire le cycle de service<\/p>\n

-Assurez-vous que l'eau de refroidissement n'est pas obstru\u00e9e<\/p>\n

-remplacer le relais de temp\u00e9rature<\/td>\n<\/tr>\n

0a Alimentation principale 24 V faible<\/td>\ninterrompre l'alarme<\/td>\nNon r\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– The power supply of the motherboard is abnormal<\/p>\n

– The power supply of the driver board is abnormal<\/td>\n

– Check whether the DC24V of the X2 terminal is normal, if it is normal, replace the main board,<\/p>\n

– Otherwise, check whether the DC24V power supply on the driver board X2 is normal, if not, replace the driver board<\/p>\n

-Sinon, remplacez le contr\u00f4leur<\/td>\n<\/tr>\n

0b Court-circuit du capteur de courant secondaire<\/td>\ninterrompre l'alarme<\/td>\nr\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Abnormal connection wire of secondary current sensor<\/p>\n

-Capteur de courant secondaire endommag\u00e9<\/td>\n

– Check the secondary current sensor wiring<\/p>\n

– Replace the secondary current sensor<\/td>\n<\/tr>\n

0c Le capteur de courant secondaire est ouvert<\/td>\ninterrompre l'alarme<\/td>\nr\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Abnormal connection wire of secondary current sensor<\/p>\n

-Capteur de courant secondaire endommag\u00e9<\/td>\n

– Check the secondary current sensor wiring<\/p>\n

– Replace the secondary current sensor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Le courant 0d (soudage) est trop \u00e9lev\u00e9<\/td>\nAlarme de rappel \u00e0 Alarme d'interruption (facultatif)<\/td>\nr\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– current monitoring parameter setting is not suitable<\/p>\n

-Court-circuit primaire du transformateur, court-circuit de ligne U\/V (d\u00e9tection c\u00f4t\u00e9 primaire)<\/td>\n

-R\u00e9gler les param\u00e8tres de surveillance du courant (param\u00e8tres li\u00e9s \u00e0 la surveillance du courant de soudage)<\/p>\n

– Check U\/V line for short circuit<\/p>\n

– Check transformer primary<\/td>\n<\/tr>\n

Le courant 0e (soudage) est trop faible<\/td>\n\uff09<\/p>\n

Alarme de rappel \u00e0 Alarme d'interruption (facultatif)<\/td>\n

r\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– current monitoring parameter setting is not suitable<\/p>\n

– There is a problem with the welding secondary circuit<\/td>\n

-R\u00e9gler les param\u00e8tres de surveillance du courant (param\u00e8tres li\u00e9s \u00e0 la surveillance du courant de soudage)<\/p>\n

-D\u00e9tecter le circuit secondaire de soudage<\/td>\n<\/tr>\n

0f Courant continu faible<\/td>\nAlarme de rappel \u00e0 Alarme d'interruption (facultatif)<\/td>\nr\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– current monitoring parameter setting is not suitable<\/p>\n

– There is a problem with the welding secondary circuit<\/td>\n

-R\u00e9gler les param\u00e8tres de surveillance du courant (param\u00e8tres li\u00e9s \u00e0 la surveillance du courant de soudage)<\/p>\n

-D\u00e9tecter le circuit secondaire de soudage<\/td>\n<\/tr>\n

10 Demande d'\u00e9lectrode de remplacement<\/td>\ninterrompre l'alarme<\/td>\nIl peut \u00eatre r\u00e9initialis\u00e9 et le d\u00e9faut est effac\u00e9 apr\u00e8s avoir \u00e9t\u00e9 effac\u00e9<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Welding gun electrode life has expired<\/td>\n– Replace the electrode, and input the electrode replacement signal from the X5 terminal after changing the electrode<\/td>\n<\/tr>\n
11 Demande de reconditionnement d'\u00e9lectrode<\/td>\ninterrompre l'alarme<\/td>\nIl peut \u00eatre r\u00e9initialis\u00e9 et le d\u00e9faut est effac\u00e9 apr\u00e8s avoir \u00e9t\u00e9 effac\u00e9<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Welding gun request grinding electrode<\/td>\n- Meulez l'\u00e9lectrode et entrez le signal de r\u00e9initialisation \u00e9tape par \u00e9tape \u00e0 partir du terminal X5 apr\u00e8s avoir meul\u00e9 l'\u00e9lectrode<\/td>\n<\/tr>\n
12 Param\u00e8tres de programmation anormaux<\/td>\ninterrompre l'alarme<\/td>\nr\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– Parameter out of range in started weld specification<\/td>\n– Check for out-of-range parameters and modify<\/td>\n<\/tr>\n
13Param\u00e8tres d'\u00e9talonnage anormaux<\/td>\n<\/td>\ninterrompre l'alarme<\/td>\nr\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– There is a problem with the main control board<\/td>\n-Remplacer la carte m\u00e8re<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
14 D\u00e9tection de pression d'eau anormale<\/td>\n<\/td>\ninterrompre l'alarme<\/td>\nNe peut pas \u00eatre r\u00e9initialis\u00e9, r\u00e9initialis\u00e9 automatiquement apr\u00e8s une r\u00e9initialisation normale<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
Pression d'eau anormale<\/p>\n

Il y a un probl\u00e8me avec la ligne de d\u00e9tection de pression d'eau<\/td>\n

Assurez-vous que la pression de l'eau se situe dans la plage de fonctionnement normale<\/p>\n

V\u00e9rifiez le c\u00e2blage de d\u00e9tection de pression d'eau<\/td>\n<\/tr>\n

15 D\u00e9tection de pression d'air anormale<\/td>\n<\/td>\ninterrompre l'alarme<\/td>\nNe peut pas \u00eatre r\u00e9initialis\u00e9, r\u00e9initialis\u00e9 automatiquement apr\u00e8s une r\u00e9initialisation normale<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
pression atmosph\u00e9rique anormale<\/p>\n

Il y a un probl\u00e8me avec la ligne de d\u00e9tection de pression d'air<\/td>\n

Assurez-vous que la pression d'air est dans la plage de fonctionnement normale<\/p>\n

V\u00e9rifiez le c\u00e2blage de d\u00e9tection de pression d'air<\/td>\n<\/tr>\n

16 inhibition de d\u00e9marrage<\/td>\ninterrompre l'alarme<\/td>\nR\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
– the specification for the current start has been set to the disabled start mode<\/td>\n– Set the parameter “Prohibition to start” of the current starting specification to OFF<\/td>\n<\/tr>\n
17 arr\u00eat d'urgence<\/td>\n<\/td>\ninterrompre l'alarme<\/td>\nNe peut pas \u00eatre r\u00e9initialis\u00e9, r\u00e9initialis\u00e9 automatiquement apr\u00e8s une r\u00e9initialisation normale<\/td>\n<\/tr>\n
raison possible<\/td>\n<\/td>\nContre-mesures<\/td>\n<\/tr>\n
Entr\u00e9e d'arr\u00eat d'urgence externe d\u00e9connect\u00e9e<\/td>\nAcc\u00e8s \u00e0 l'arr\u00eat d'urgence externe<\/td>\n<\/tr>\n
18 Nombre de joints de soudure \u00e0<\/td>\nAlarme de rappel \u00e0<\/td>\nR\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
-Le nombre de joints de soudure r\u00e9ellement surveill\u00e9s atteint le nombre maximum de joints de soudure d\u00e9fini<\/td>\n– Just reset on the terminal or programmer<\/td>\n<\/tr>\n
19 unit\u00e9s de production<\/td>\n<\/td>\nInterrompre l'alarme<\/td>\n\u00a0R\u00e9initialisable<\/td>\n<\/tr>\n
raison possible<\/td>\nContre-mesures<\/td>\n<\/tr>\n
-Le nombre r\u00e9el de production surveill\u00e9e atteint le nombre maximal de production d\u00e9fini<\/td>\n– Just reset on the terminal or programmer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Voici les probl\u00e8mes qui peuvent survenir lors de l'utilisation du contr\u00f4leur d'alimentation de soudage moyenne fr\u00e9quence et les solutions correspondantes. machines de soudage par r\u00e9sistance<\/u><\/a>\u00a0of AGERA can all refer to it. In addition, if you purchase AGERA’s equipment and encounter difficult-to-solve problems during use, you can contact our after-sales team. We are available 24 hours online and will quickly solve the current problems you are facing.<\/p>","protected":false},"excerpt":{"rendered":"

With the development of resistance welding technology, more and more spot welders are using medium frequency direct current welding technology, which requires the use of MFDC welding controllers. If you are using an MFDC spot welder or are about to use one, this article will guide you in making some […]<\/p>\n","protected":false},"author":1,"featured_media":19485,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-19484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"\nFaults and Countermeasures of MFDC Welding Controller - Agera<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/resistance-welding.com\/fr\/defauts-et-contre-mesures-du-controleur-de-soudage-mfdc\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Faults and Countermeasures of MFDC Welding Controller - Agera\" \/>\n<meta property=\"og:description\" content=\"With the development of resistance welding technology, more and more spot welders are using medium frequency direct current welding technology, which requires the use of MFDC welding controllers. 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