{"id":10539,"date":"2025-09-03T20:31:08","date_gmt":"2025-09-03T18:31:08","guid":{"rendered":"https:\/\/www.servomotorsadjust.com\/?p=10539"},"modified":"2025-10-11T07:56:42","modified_gmt":"2025-10-11T05:56:42","slug":"faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt","status":"publish","type":"post","link":"https:\/\/www.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/","title":{"rendered":"Faults in the Renault ZOE&#8217;s BCB: When the Electrical Network Burns Out the Infineon IGBT."},"content":{"rendered":"<p><span style=\"font-size: 24px;\">What is the BCB in the Renault ZOE?<\/span><\/p>\n<p>The BCB (Bo\u00eetier de Charge Bord) is the on-board charging module responsible for transforming the alternating current from the grid into direct current to recharge the battery.<\/p>\n<p>It is an essential component: without it, the Renault ZOE cannot charge properly.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-10517\" src=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1740519849876.jpeg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1740519849876.jpeg 800w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1740519849876-300x169.jpeg 300w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1740519849876-768x432.jpeg 768w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1740519849876-81x46.jpeg 81w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1740519849876-600x338.jpeg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10520\" src=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/feca8f41b0c42f4390aaea60a22cce40.jpg\" alt=\"\" width=\"800\" height=\"600\" \/><span style=\"font-size: 24px;\">The silent enemy: an unstable mains supply<\/span><\/h2>\n<p>The most common cause of BCB faults is not the car itself, but unstable mains supply conditions.<\/p>\n<p>Typical problems that damage the system:<\/p>\n<ul>\n<li>Voltage spikes (overvoltages)<\/li>\n<li>Voltage drops (undervoltages)<\/li>\n<li>Harmonics and electrical signal distortion<\/li>\n<li>Installations without adequate protection<\/li>\n<li>These phenomena force the BCB to operate outside its normal parameters, damaging one of its most sensitive components: the Infineon IGBT.<\/li>\n<\/ul>\n<p><span style=\"font-size: 24px;\">The critical point: burning of the Infineon IGBT<\/span><\/p>\n<p>The Infineon IGBT (Insulated Gate Bipolar Transistor) acts as an \u2018electronic power switch\u2019 within the BCB.<br \/>\nWhen the network experiences power spikes or fluctuations:<\/p>\n<ul>\n<li>The IGBT withstands more current and heat than expected<\/li>\n<li>It overheats quickly<\/li>\n<li>It can burn out, causing total failure of the BCB<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10514\" src=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651.png\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651.png 1920w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651-300x169.png 300w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651-1024x576.png 1024w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651-768x432.png 768w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651-1536x864.png 1536w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651-1200x675.png 1200w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651-81x46.png 81w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651-600x338.png 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10511\" src=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626.png\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626.png 1920w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626-300x169.png 300w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626-1024x576.png 1024w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626-768x432.png 768w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626-1536x864.png 1536w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626-1200x675.png 1200w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626-81x46.png 81w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111626-600x338.png 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><br \/>\nThis type of failure is very common in Renault ZOEs and usually results in the need to repair or replace the BCB.<\/p>\n<p>Symptoms of IGBT\/BCB failure<\/p>\n<ul>\n<li>The car does not charge even when connected.<\/li>\n<li>Errors related to the charging system on the dashboard.<\/li>\n<li>Frequent charging interruptions.<\/li>\n<li>In some cases, burning smell or overheating in the charger area.<\/li>\n<\/ul>\n<p><span style=\"font-size: 24px;\">How to protect the BCB and IGBT.<\/span><\/p>\n<p>To prevent the Infineon IGBT from burning out in your Renault ZOE:<\/p>\n<ul>\n<li>Always charge at approved and protected charging points.<\/li>\n<li>Install surge protectors in your domestic electrical network.<\/li>\n<li>Avoid using low-quality plugs or extension cords.<\/li>\n<li>If you live in areas with an unstable network, consider using a voltage stabiliser<\/li>\n<li>Perform preventive maintenance to detect anomalies before the fault becomes irreversible<\/li>\n<\/ul>\n<p><span style=\"font-size: 24px;\">Conclusion<\/span><\/p>\n<p>The BCB of the Renault ZOE is a vital component, but it is vulnerable to the quality of the electrical network.<br \/>\nPower surges and fluctuations not only damage the system, but can also cause the Infineon IGBT to burn out, leaving your car unable to charge.<\/p>\n<p><strong>\u2705\u00a0The next images show the Renault Zoe charged after the BCC repair.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10526\" src=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/ce3080c710ff18693d1d41f25f396950-1.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/ce3080c710ff18693d1d41f25f396950-1.jpg 1200w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/ce3080c710ff18693d1d41f25f396950-1-300x225.jpg 300w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/ce3080c710ff18693d1d41f25f396950-1-1024x768.jpg 1024w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/ce3080c710ff18693d1d41f25f396950-1-768x576.jpg 768w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/ce3080c710ff18693d1d41f25f396950-1-1028x771.jpg 1028w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/ce3080c710ff18693d1d41f25f396950-1-81x61.jpg 81w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/ce3080c710ff18693d1d41f25f396950-1-600x450.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10523\" src=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1aa72b7c351322e473acc0b0f6f268d1.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1aa72b7c351322e473acc0b0f6f268d1.jpg 1200w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1aa72b7c351322e473acc0b0f6f268d1-300x225.jpg 300w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1aa72b7c351322e473acc0b0f6f268d1-1024x768.jpg 1024w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1aa72b7c351322e473acc0b0f6f268d1-768x576.jpg 768w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1aa72b7c351322e473acc0b0f6f268d1-1028x771.jpg 1028w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1aa72b7c351322e473acc0b0f6f268d1-81x61.jpg 81w, https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/1aa72b7c351322e473acc0b0f6f268d1-600x450.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u2705\u00a0At SERVO MOTORS ADJUST, we specialise in repairing and preventing BCB faults in Renault ZOEs.<br \/>\nIf your car has charging problems, we can help you diagnose, repair and protect the system to prevent future breakdowns.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the BCB in the Renault ZOE? The BCB (Bo\u00eetier de Charge Bord) is the on-board charging module responsible for transforming the alternating current from the grid into direct current to recharge the battery. It is an essential component: without it, the Renault ZOE cannot charge properly. The silent enemy: an unstable mains supply The most common cause of BCB faults is not the car itself, but unstable mains supply conditions. Typical problems that damage the system: Voltage spikes (overvoltages) Voltage drops (undervoltages) Harmonics and electrical signal distortion Installations without adequate protection These phenomena force the BCB to operate outside its normal parameters, damaging one of its most sensitive components: the Infineon IGBT. The critical point: burning of the Infineon IGBT The Infineon IGBT (Insulated Gate Bipolar Transistor) acts as an \u2018electronic power switch\u2019 within the BCB. When the network experiences power spikes or fluctuations: The IGBT withstands more current and heat than expected It overheats quickly It can burn out, causing total failure of the BCB This type of failure is very common in Renault ZOEs and usually results in the need to repair or replace the BCB. Symptoms of IGBT\/BCB failure The car does not charge even&#8230;<\/p>\n","protected":false},"author":3,"featured_media":10514,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-10539","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hybrid-ev-battery-rebuild"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.1 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Faults in the Renault ZOE&#039;s BCB - Burns Out the Infineon IGBT<\/title>\n<meta name=\"description\" content=\"Faults in the Renault ZOE&#039;s BCB: When the Electrical Network Burns Out the Infineon IGBT.\" \/>\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.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Faults in the Renault ZOE&#039;s BCB: When the Electrical Network Burns Out the Infineon IGBT.\" \/>\n<meta property=\"og:description\" content=\"What is the BCB in the Renault ZOE? The BCB (Bo\u00eetier de Charge Bord) is the on-board charging module responsible for transforming the alternating current\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/\" \/>\n<meta property=\"og:site_name\" content=\"Servomotors\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Servomotors\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-03T18:31:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-11T05:56:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651-1024x576.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"servo-user\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ServoAdjust\" \/>\n<meta name=\"twitter:site\" content=\"@ServoAdjust\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"servo-user\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/\"},\"author\":{\"name\":\"servo-user\",\"@id\":\"https:\/\/www.servomotorsadjust.com\/en\/#\/schema\/person\/674ca21928f40693d218a671b6685c2a\"},\"headline\":\"Faults in the Renault ZOE&#8217;s BCB: When the Electrical Network Burns Out the Infineon IGBT.\",\"datePublished\":\"2025-09-03T18:31:08+00:00\",\"dateModified\":\"2025-10-11T05:56:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/\"},\"wordCount\":405,\"publisher\":{\"@id\":\"https:\/\/www.servomotorsadjust.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.servomotorsadjust.com\/wp-content\/uploads\/2025\/08\/IMG-280825-111651.png\",\"articleSection\":[\"Hybrid &amp; EV Battery rebuild\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/\",\"url\":\"https:\/\/www.servomotorsadjust.com\/en\/faults-in-the-renault-zoes-bcb-when-the-electrical-network-burns-out-the-infineon-igbt\/\",\"name\":\"Faults in the Renault ZOE's BCB - 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