{"product_id":"fronius-ig-brain-v1-5b-control-board-4-071-082","title":"Fronius IG-BRAIN V1.5B | Control Board | 4,071,082 | Fronius IG Plus 25 V-1","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=\"740\"\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, hardware revision \u003cstrong data-start=\"175\" data-end=\"184\"\u003eV1.5B\u003c\/strong\u003e, identification code \u003cstrong data-start=\"206\" data-end=\"219\"\u003e4,071,082\u003c\/strong\u003e, designed as the logic control unit for compatible Fronius photovoltaic inverters.\u003cbr\u003eThe IG-BRAIN is a fundamental part of the inverter's control system: it manages logic functions, processes information from internal circuits, and coordinates the operations required for the equipment to function.\u003cbr\u003eThis board is identified as a spare part for the \u003cstrong data-start=\"566\" data-end=\"592\"\u003eFronius IG Plus 25 V-1\u003c\/strong\u003e. Compatibility with other IG Plus series variants must be verified by comparing the spare-part code, hardware revision, and inverter configuration.\u003c\/p\u003e\n\u003ch3 dir=\"auto\" data-start=\"741\" data-end=\"771\"\u003e\u003cspan role=\"text\"\u003e⚙️ \u003cstrong data-start=\"748\" data-end=\"771\"\u003eMain Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"772\" data-end=\"1181\"\u003e\n\u003cli data-start=\"772\" data-end=\"818\"\u003e\n\u003cstrong data-start=\"774\" data-end=\"791\"\u003eManufacturer:\u003c\/strong\u003e Fronius International GmbH\u003c\/li\u003e\n\u003cli data-start=\"819\" data-end=\"846\"\u003e\n\u003cstrong data-start=\"821\" data-end=\"837\"\u003eDesignation:\u003c\/strong\u003e IG-BRAIN\u003c\/li\u003e\n\u003cli data-start=\"847\" data-end=\"875\"\u003e\n\u003cstrong data-start=\"849\" data-end=\"865\"\u003ePart number:\u003c\/strong\u003e 4,071,082\u003c\/li\u003e\n\u003cli data-start=\"876\" data-end=\"906\"\u003e\n\u003cstrong data-start=\"878\" data-end=\"900\"\u003eHardware revision:\u003c\/strong\u003e V1.5B\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"964\"\u003e\n\u003cstrong data-start=\"909\" data-end=\"918\"\u003eType:\u003c\/strong\u003e Electronic control and logic management board\u003c\/li\u003e\n\u003cli data-start=\"965\" data-end=\"1016\"\u003e\n\u003cstrong data-start=\"967\" data-end=\"993\"\u003eReference application:\u003c\/strong\u003e Fronius IG Plus 25 V-1\u003c\/li\u003e\n\u003cli data-start=\"1017\" data-end=\"1056\"\u003e\n\u003cstrong data-start=\"1019\" data-end=\"1036\"\u003eInstallation:\u003c\/strong\u003e Inside the inverter\u003c\/li\u003e\n\u003cli data-start=\"1057\" data-end=\"1095\"\u003e\n\u003cstrong data-start=\"1059\" data-end=\"1078\"\u003eLED indicators:\u003c\/strong\u003e POWER and STATUS\u003c\/li\u003e\n\u003cli data-start=\"1096\" data-end=\"1181\"\u003e\n\u003cstrong data-start=\"1098\" data-end=\"1114\"\u003eConnections:\u003c\/strong\u003e Multipole connectors for interfacing with the inverter electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"1182\" data-end=\"1207\"\u003e\u003cspan role=\"text\"\u003e🔧 \u003cstrong data-start=\"1189\" data-end=\"1207\"\u003eMain Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1208\" data-end=\"1534\"\u003e\n\u003cli data-start=\"1208\" data-end=\"1247\"\u003eManagement of inverter control logic.\u003c\/li\u003e\n\u003cli data-start=\"1248\" data-end=\"1299\"\u003eProcessing of information from internal circuits.\u003c\/li\u003e\n\u003cli data-start=\"1300\" data-end=\"1354\"\u003eCoordination of the equipment's operating sequences.\u003c\/li\u003e\n\u003cli data-start=\"1355\" data-end=\"1410\"\u003eMonitoring of operating conditions and system status.\u003c\/li\u003e\n\u003cli data-start=\"1411\" data-end=\"1469\"\u003eInterface with the inverter's other electronic circuits.\u003c\/li\u003e\n\u003cli data-start=\"1470\" data-end=\"1534\"\u003eSupport for diagnostic functions and system status indication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"1535\" data-end=\"1567\"\u003e\u003cspan role=\"text\"\u003e🔌 \u003cstrong data-start=\"1542\" data-end=\"1567\"\u003ePurpose and Operation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"1568\" data-end=\"2114\"\u003eThe IG-BRAIN board is the electronic unit responsible for the inverter's control functions. It receives information from measurement and monitoring circuits, processes it, and coordinates equipment operation according to the manufacturer's specified logic.\u003cbr\u003eThe LEDs marked \u003cstrong data-start=\"1841\" data-end=\"1850\"\u003ePOWER\u003c\/strong\u003e and \u003cstrong data-start=\"1855\" data-end=\"1865\"\u003eSTATUS\u003c\/strong\u003e help verify the power supply status and certain operating conditions during diagnostic procedures.\u003cbr\u003eThe board works in coordination with the inverter's other circuits and should not be confused with a power board or a simple communication interface.\u003c\/p\u003e\n\u003ch3 dir=\"auto\" data-start=\"2115\" data-end=\"2139\"\u003e\u003cspan role=\"text\"\u003e🧩 \u003cstrong data-start=\"2122\" data-end=\"2139\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"2140\" data-end=\"2160\"\u003e\u003cstrong data-start=\"2140\" data-end=\"2160\"\u003eReference model:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2161\" data-end=\"2582\"\u003e\n\u003cli data-start=\"2161\" data-end=\"2582\"\u003e\n\u003cstrong data-start=\"2163\" data-end=\"2189\"\u003eFronius IG Plus 25 V-1\u003c\/strong\u003e\u003cbr\u003eCompatibility with other IG Plus series versions should not be assumed automatically. Before purchasing, compare code \u003cstrong data-start=\"2308\" data-end=\"2321\"\u003e4,071,082\u003c\/strong\u003e, revision \u003cstrong data-start=\"2332\" data-end=\"2341\"\u003eV1.5B\u003c\/strong\u003e, and the configuration of the originally installed board.\u003cbr\u003eFronius documentation for the IG Plus family describes the IG-BRAIN as a component of the inverter control system and outlines procedures for checking its version and identification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"2583\" data-end=\"2633\"\u003e\u003cspan role=\"text\"\u003e⚠️ \u003cstrong data-start=\"2590\" data-end=\"2633\"\u003ePossible Faults and Associated Symptoms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"2634\" data-end=\"2709\"\u003eA malfunction of the control board may be associated with symptoms such as:\u003c\/p\u003e\n\u003cul data-start=\"2710\" data-end=\"3127\"\u003e\n\u003cli data-start=\"2710\" data-end=\"2764\"\u003eThe inverter fails to complete its startup sequence.\u003c\/li\u003e\n\u003cli data-start=\"2765\" data-end=\"2806\"\u003eFailure to start or abnormal shutdowns.\u003c\/li\u003e\n\u003cli data-start=\"2807\" data-end=\"2835\"\u003ePersistent error messages.\u003c\/li\u003e\n\u003cli data-start=\"2836\" data-end=\"2891\"\u003eIrregular communication with other internal circuits.\u003c\/li\u003e\n\u003cli data-start=\"2892\" data-end=\"3127\"\u003eInconsistent operating behavior.\u003cbr\u003e\u003cstrong data-start=\"2927\" data-end=\"2939\"\u003eWarning:\u003c\/strong\u003e These symptoms do not automatically prove that the IG-BRAIN is responsible for the fault. Power-supply issues, wiring, sensors, the power stage, and other components must also be checked.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"3128\" data-end=\"3148\"\u003e\u003cspan role=\"text\"\u003e🔍 \u003cstrong data-start=\"3135\" data-end=\"3148\"\u003eDiagnosis\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"3149\" data-end=\"3196\"\u003eBefore replacing the board, it is advisable to:\u003c\/p\u003e\n\u003col data-start=\"3197\" data-end=\"3505\"\u003e\n\u003cli data-start=\"3197\" data-end=\"3256\"\u003eVerify the power supplies specified by the manufacturer.\u003c\/li\u003e\n\u003cli data-start=\"3257\" data-end=\"3288\"\u003eCheck connectors and wiring.\u003c\/li\u003e\n\u003cli data-start=\"3289\" data-end=\"3341\"\u003eConsult any error codes recorded by the inverter.\u003c\/li\u003e\n\u003cli data-start=\"3342\" data-end=\"3418\"\u003eCheck the POWER and STATUS LEDs according to the technical documentation.\u003c\/li\u003e\n\u003cli data-start=\"3419\" data-end=\"3505\"\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=\"3506\" data-end=\"3530\"\u003e\u003cspan role=\"text\"\u003e🛠️ \u003cstrong data-start=\"3514\" data-end=\"3530\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3531\" data-end=\"3743\"\u003e\n\u003cli data-start=\"3531\" data-end=\"3585\"\u003eRepair of compatible Fronius photovoltaic inverters.\u003c\/li\u003e\n\u003cli data-start=\"3586\" data-end=\"3628\"\u003eReplacement of defective control boards.\u003c\/li\u003e\n\u003cli data-start=\"3629\" data-end=\"3679\"\u003eMaintenance of Fronius IG Plus family inverters.\u003c\/li\u003e\n\u003cli data-start=\"3680\" data-end=\"3743\"\u003eRestoration of the inverter's logic and monitoring functions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"3744\" data-end=\"3773\"\u003e\u003cspan role=\"text\"\u003e🛡️ \u003cstrong data-start=\"3752\" data-end=\"3773\"\u003eProduct Condition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"3774\" data-end=\"3993\"\u003eUsed board with electronic components and connectors visible in the photographs.\u003cbr\u003eIdentification is based on the label showing code \u003cstrong data-start=\"3905\" data-end=\"3918\"\u003e4,071,082\u003c\/strong\u003e and revision \u003cstrong data-start=\"3932\" data-end=\"3941\"\u003eV1.5B\u003c\/strong\u003e.\u003cbr\u003e\u003cstrong data-start=\"3943\" data-end=\"3993\"\u003eFunctional status: to be confirmed by testing.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\" data-start=\"3994\" data-end=\"4021\"\u003e\u003cspan role=\"text\"\u003e📦 \u003cstrong data-start=\"4001\" data-end=\"4021\"\u003ePackage Contents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"4022\" data-end=\"4181\"\u003e\n\u003cli data-start=\"4022\" data-end=\"4062\"\u003e1 × Fronius IG-BRAIN electronic board.\u003c\/li\u003e\n\u003cli data-start=\"4063\" data-end=\"4092\"\u003e\n\u003cstrong data-start=\"4065\" data-end=\"4081\"\u003ePart number:\u003c\/strong\u003e 4,071,082.\u003c\/li\u003e\n\u003cli data-start=\"4093\" data-end=\"4124\"\u003e\n\u003cstrong data-start=\"4095\" data-end=\"4117\"\u003eHardware revision:\u003c\/strong\u003e V1.5B.\u003c\/li\u003e\n\u003cli data-start=\"4125\" data-end=\"4181\"\u003eComponents and connectors as shown in the photographs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"4182\" data-end=\"4200\"\u003e\u003cspan role=\"text\"\u003e🟢 \u003cstrong data-start=\"4189\" data-end=\"4200\"\u003eSummary\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"4201\" data-end=\"4759\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eOriginal \u003cstrong data-start=\"4210\" data-end=\"4236\"\u003eFronius IG-BRAIN V1.5B\u003c\/strong\u003e electronic control board, code \u003cstrong data-start=\"4268\" data-end=\"4281\"\u003e4,071,082\u003c\/strong\u003e, identified as the logic control unit for the \u003cstrong data-start=\"4328\" data-end=\"4354\"\u003eFronius IG Plus 25 V-1\u003c\/strong\u003e inverter.\u003cbr\u003eThis spare part is intended for maintenance and repair of the inverter's control electronics. Before purchasing, it is important to verify the exact part number and hardware revision.\u003cbr\u003e\u003cstrong data-start=\"4549\" data-end=\"4568\"\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":55006420599117,"sku":null,"price":100.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3274\/3245\/files\/MG_7166.jpg?v=1791559151","url":"https:\/\/greenenergy-repair.com\/el\/products\/fronius-ig-brain-v1-5b-control-board-4-071-082","provider":"Green Energy","version":"1.0","type":"link"}