{"product_id":"fronius-ig-brain-4-071-082-v1-5b-ig-plus-120-v-3","title":"Fronius IG-BRAIN V1.5B| Control Board |4.071.082| IG Plus 120 V-3","description":"\u003ch3 dir=\"auto\" data-start=\"57\" data-end=\"79\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e📝 \u003cstrong data-start=\"64\" data-end=\"79\"\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"80\" data-end=\"879\"\u003e\u003cstrong data-start=\"80\" data-end=\"108\"\u003eUsed and tested product.\u003c\/strong\u003e Original \u003cstrong data-start=\"118\" data-end=\"138\"\u003eFronius IG-BRAIN\u003c\/strong\u003e electronic board, part number \u003cstrong data-start=\"169\" data-end=\"182\"\u003e4.071.082\u003c\/strong\u003e, revision \u003cstrong data-start=\"193\" data-end=\"202\"\u003eV1.5B\u003c\/strong\u003e, designed for the logic management and operational control of compatible Fronius photovoltaic inverters.\u003cbr\u003eThis board serves as the inverter's processing and control unit: it manages operating logic, processes information from internal circuits, coordinates monitoring functions, and supports diagnostic notifications.\u003cbr\u003eThe component is listed as a spare part for the \u003cstrong data-start=\"568\" data-end=\"595\"\u003eFronius IG Plus 120 V-3\u003c\/strong\u003e photovoltaic inverter. Compatibility must be verified by comparing the board code, hardware revision, and inverter configuration.\u003cbr\u003eIdentification is based on the label visible in the photograph, which shows code \u003cstrong data-start=\"807\" data-end=\"820\"\u003e4.071.082\u003c\/strong\u003e, the designation \u003cstrong data-start=\"838\" data-end=\"850\"\u003eIG-BRAIN\u003c\/strong\u003e, and revision \u003cstrong data-start=\"865\" data-end=\"878\"\u003eV1.5B D R\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 dir=\"auto\" data-start=\"880\" data-end=\"910\"\u003e\u003cspan role=\"text\"\u003e⚙️ \u003cstrong data-start=\"887\" data-end=\"910\"\u003eMain Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"911\" data-end=\"1394\"\u003e\n\u003cli data-start=\"911\" data-end=\"957\"\u003e\n\u003cstrong data-start=\"913\" data-end=\"930\"\u003eManufacturer:\u003c\/strong\u003e Fronius International GmbH\u003c\/li\u003e\n\u003cli data-start=\"958\" data-end=\"985\"\u003e\n\u003cstrong data-start=\"960\" data-end=\"976\"\u003eDesignation:\u003c\/strong\u003e IG-BRAIN\u003c\/li\u003e\n\u003cli data-start=\"986\" data-end=\"1014\"\u003e\n\u003cstrong data-start=\"988\" data-end=\"1004\"\u003ePart number:\u003c\/strong\u003e 4.071.082\u003c\/li\u003e\n\u003cli data-start=\"1015\" data-end=\"1049\"\u003e\n\u003cstrong data-start=\"1017\" data-end=\"1039\"\u003eHardware revision:\u003c\/strong\u003e V1.5B D R\u003c\/li\u003e\n\u003cli data-start=\"1050\" data-end=\"1081\"\u003e\n\u003cstrong data-start=\"1052\" data-end=\"1061\"\u003eType:\u003c\/strong\u003e Logic control board\u003c\/li\u003e\n\u003cli data-start=\"1082\" data-end=\"1156\"\u003e\n\u003cstrong data-start=\"1084\" data-end=\"1110\"\u003eReference application:\u003c\/strong\u003e Fronius IG Plus 120 V-3 photovoltaic inverter\u003c\/li\u003e\n\u003cli data-start=\"1157\" data-end=\"1232\"\u003e\n\u003cstrong data-start=\"1159\" data-end=\"1172\"\u003eFunction:\u003c\/strong\u003e Processing and management of the inverter's operating logic\u003c\/li\u003e\n\u003cli data-start=\"1233\" data-end=\"1271\"\u003e\n\u003cstrong data-start=\"1235\" data-end=\"1254\"\u003eLED indicators:\u003c\/strong\u003e POWER and STATUS\u003c\/li\u003e\n\u003cli data-start=\"1272\" data-end=\"1354\"\u003e\n\u003cstrong data-start=\"1274\" data-end=\"1290\"\u003eConnections:\u003c\/strong\u003e Multipole connectors for connection to the internal electronics\u003c\/li\u003e\n\u003cli data-start=\"1355\" data-end=\"1394\"\u003e\n\u003cstrong data-start=\"1357\" data-end=\"1374\"\u003eInstallation:\u003c\/strong\u003e Inside the inverter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"1395\" data-end=\"1420\"\u003e\u003cspan role=\"text\"\u003e🔧 \u003cstrong data-start=\"1402\" data-end=\"1420\"\u003eMain Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1421\" data-end=\"1787\"\u003e\n\u003cli data-start=\"1421\" data-end=\"1462\"\u003eManagement of inverter operating logic.\u003c\/li\u003e\n\u003cli data-start=\"1463\" data-end=\"1510\"\u003eProcessing of signals from internal circuits.\u003c\/li\u003e\n\u003cli data-start=\"1511\" data-end=\"1561\"\u003eCoordination of startup and operating sequences.\u003c\/li\u003e\n\u003cli data-start=\"1562\" data-end=\"1611\"\u003eMonitoring of the equipment's operating status.\u003c\/li\u003e\n\u003cli data-start=\"1612\" data-end=\"1675\"\u003eManagement of diagnostic information and error notifications.\u003c\/li\u003e\n\u003cli data-start=\"1676\" data-end=\"1732\"\u003eInterface with the inverter's other electronic boards.\u003c\/li\u003e\n\u003cli data-start=\"1733\" data-end=\"1787\"\u003eSupport for system control and monitoring functions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"1788\" data-end=\"1820\"\u003e\u003cspan role=\"text\"\u003e🔌 \u003cstrong data-start=\"1795\" data-end=\"1820\"\u003ePurpose and Operation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"1821\" data-end=\"2118\"\u003eThe IG-BRAIN board serves as the inverter's logic control unit. It processes information received from measurement and monitoring circuits and coordinates equipment operation according to its operating conditions.\u003cbr\u003eThe two indicators on the board provide information about certain operating states:\u003c\/p\u003e\n\u003cul data-start=\"2119\" data-end=\"2448\"\u003e\n\u003cli data-start=\"2119\" data-end=\"2189\"\u003e\n\u003cstrong data-start=\"2121\" data-end=\"2131\"\u003ePOWER:\u003c\/strong\u003e Indicator showing whether power is supplied to the board.\u003c\/li\u003e\n\u003cli data-start=\"2190\" data-end=\"2448\"\u003e\n\u003cstrong data-start=\"2192\" data-end=\"2203\"\u003eSTATUS:\u003c\/strong\u003e Operating-status indicator, to be interpreted according to Fronius technical documentation.\u003cbr\u003eThe board operates together with the inverter's other electronic circuits and should not be confused with a power board or a simple communication board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"2449\" data-end=\"2473\"\u003e\u003cspan role=\"text\"\u003e🧩 \u003cstrong data-start=\"2456\" data-end=\"2473\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"2474\" data-end=\"2497\"\u003e\u003cstrong data-start=\"2474\" data-end=\"2497\"\u003eReference inverter:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2498\" data-end=\"2990\"\u003e\n\u003cli data-start=\"2498\" data-end=\"2709\"\u003e\n\u003cstrong data-start=\"2500\" data-end=\"2527\"\u003eFronius IG Plus 120 V-3\u003c\/strong\u003e\u003cbr\u003eCompatibility with other models in the Fronius IG Plus family must be verified according to the spare-part code and hardware revision.\u003cbr\u003eBefore purchasing, it is advisable to compare:\u003c\/li\u003e\n\u003cli data-start=\"2710\" data-end=\"2747\"\u003eOriginal board code: \u003cstrong data-start=\"2733\" data-end=\"2746\"\u003e4.071.082\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"2748\" data-end=\"2774\"\u003eRevision: \u003cstrong data-start=\"2760\" data-end=\"2773\"\u003eV1.5B D R\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"2775\" data-end=\"2801\"\u003eComplete inverter model.\u003c\/li\u003e\n\u003cli data-start=\"2802\" data-end=\"2990\"\u003eConnector configuration and version of the installed electronics.\u003cbr\u003eFor final verification, consult the technical documentation in the inverter section of the official \u003cstrong data-start=\"2970\" data-end=\"2981\"\u003eFronius\u003c\/strong\u003e website.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"2991\" data-end=\"3041\"\u003e\u003cspan role=\"text\"\u003e⚠️ \u003cstrong data-start=\"2998\" data-end=\"3041\"\u003ePossible Faults and Associated Symptoms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"3042\" data-end=\"3100\"\u003eA malfunction of the control board may be associated with:\u003c\/p\u003e\n\u003cul data-start=\"3101\" data-end=\"3499\"\u003e\n\u003cli data-start=\"3101\" data-end=\"3157\"\u003eThe inverter failing to complete its startup sequence.\u003c\/li\u003e\n\u003cli data-start=\"3158\" data-end=\"3191\"\u003eAbnormal shutdowns or restarts.\u003c\/li\u003e\n\u003cli data-start=\"3192\" data-end=\"3220\"\u003ePersistent error messages.\u003c\/li\u003e\n\u003cli data-start=\"3221\" data-end=\"3273\"\u003eIrregular communication between internal circuits.\u003c\/li\u003e\n\u003cli data-start=\"3274\" data-end=\"3499\"\u003eInconsistent operating behavior.\u003cbr\u003e\u003cstrong data-start=\"3309\" data-end=\"3321\"\u003eWarning:\u003c\/strong\u003e These symptoms do not automatically establish that the IG-BRAIN board is the cause. Before replacement, power supplies, wiring, sensors, and power circuits must also be checked.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"3500\" data-end=\"3520\"\u003e\u003cspan role=\"text\"\u003e🔍 \u003cstrong data-start=\"3507\" data-end=\"3520\"\u003eDiagnosis\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"3521\" data-end=\"3568\"\u003eBefore replacing the board, it is advisable to:\u003c\/p\u003e\n\u003col data-start=\"3569\" data-end=\"3876\"\u003e\n\u003cli data-start=\"3569\" data-end=\"3644\"\u003eCheck the power supplies according to the manufacturer's specifications.\u003c\/li\u003e\n\u003cli data-start=\"3645\" data-end=\"3678\"\u003eInspect connectors and wiring.\u003c\/li\u003e\n\u003cli data-start=\"3679\" data-end=\"3713\"\u003eCheck any inverter error codes.\u003c\/li\u003e\n\u003cli data-start=\"3714\" data-end=\"3789\"\u003eCheck the POWER and STATUS indicators according to the technical manual.\u003c\/li\u003e\n\u003cli data-start=\"3790\" data-end=\"3876\"\u003eCompare the code and revision of the installed board with those of the replacement.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 dir=\"auto\" data-start=\"3877\" data-end=\"3901\"\u003e\u003cspan role=\"text\"\u003e🛠️ \u003cstrong data-start=\"3885\" data-end=\"3901\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3902\" data-end=\"4185\"\u003e\n\u003cli data-start=\"3902\" data-end=\"3956\"\u003eRepair of compatible Fronius photovoltaic inverters.\u003c\/li\u003e\n\u003cli data-start=\"3957\" data-end=\"3997\"\u003eReplacement of defective logic boards.\u003c\/li\u003e\n\u003cli data-start=\"3998\" data-end=\"4035\"\u003eMaintenance of control electronics.\u003c\/li\u003e\n\u003cli data-start=\"4036\" data-end=\"4098\"\u003eRestoration of inverter monitoring and management functions.\u003c\/li\u003e\n\u003cli data-start=\"4099\" data-end=\"4185\"\u003eTechnical servicing of photovoltaic systems equipped with Fronius IG Plus inverters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"4186\" data-end=\"4215\"\u003e\u003cspan role=\"text\"\u003e🛡️ \u003cstrong data-start=\"4194\" data-end=\"4215\"\u003eProduct Condition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"4216\" data-end=\"4351\"\u003eUsed electronic board, with components and connectors visible in the photographs.\u003cbr\u003eIdentification is based on the markings on the label.\u003c\/p\u003e\n\u003ch3 dir=\"auto\" data-start=\"4352\" data-end=\"4379\"\u003e\u003cspan role=\"text\"\u003e📦 \u003cstrong data-start=\"4359\" data-end=\"4379\"\u003ePackage Contents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"4380\" data-end=\"4543\"\u003e\n\u003cli data-start=\"4380\" data-end=\"4420\"\u003e1 × Fronius IG-BRAIN electronic board.\u003c\/li\u003e\n\u003cli data-start=\"4421\" data-end=\"4450\"\u003e\n\u003cstrong data-start=\"4423\" data-end=\"4439\"\u003ePart number:\u003c\/strong\u003e 4.071.082.\u003c\/li\u003e\n\u003cli data-start=\"4451\" data-end=\"4486\"\u003e\n\u003cstrong data-start=\"4453\" data-end=\"4475\"\u003eHardware revision:\u003c\/strong\u003e V1.5B D R.\u003c\/li\u003e\n\u003cli data-start=\"4487\" data-end=\"4543\"\u003eComponents and connectors as shown in the photographs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"4544\" data-end=\"4562\"\u003e\u003cspan role=\"text\"\u003e🟢 \u003cstrong data-start=\"4551\" data-end=\"4562\"\u003eSummary\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"4563\" data-end=\"5159\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eOriginal \u003cstrong data-start=\"4572\" data-end=\"4608\"\u003eFronius IG-BRAIN 4.071.082 V1.5B\u003c\/strong\u003e logic board, listed as a spare part for the \u003cstrong data-start=\"4653\" data-end=\"4680\"\u003eFronius IG Plus 120 V-3\u003c\/strong\u003e photovoltaic inverter.\u003cbr\u003eThe unit manages the inverter's logic and control functions, coordinates internal operations, and supports monitoring of operating status. It is intended for maintenance and repair, subject to verification of compatibility with the exact model.\u003cbr\u003e\u003cstrong data-start=\"4949\" data-end=\"4968\"\u003eSafety Warning:\u003c\/strong\u003e Installation and replacement must be carried out by qualified personnel, with the inverter completely disconnected from the power supply and in accordance with the manufacturer's procedures.\u003c\/p\u003e","brand":"Fronius","offers":[{"title":"Default Title","offer_id":55007173214541,"sku":null,"price":100.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3274\/3245\/files\/MG_7169.jpg?v=1791562803","url":"https:\/\/greenenergy-repair.com\/es\/products\/fronius-ig-brain-4-071-082-v1-5b-ig-plus-120-v-3","provider":"Green Energy","version":"1.0","type":"link"}