{"product_id":"fronius-ig-brain2-control-board-4-071-093-fronius-ig-plus-55-v-1","title":"Fronius IG-BRAIN2 |Control board | 4.071.093 | Fronius IG Plus 55 V-1","description":"\u003ch3 dir=\"auto\" data-start=\"51\" data-end=\"73\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e📝 \u003cstrong data-start=\"58\" data-end=\"73\"\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=\"74\" data-end=\"814\"\u003e\u003cstrong data-start=\"74\" data-end=\"91\"\u003eUsed and tested product.\u003c\/strong\u003e Original \u003cstrong data-start=\"101\" data-end=\"122\"\u003eFronius IG-BRAIN2\u003c\/strong\u003e electronic board, article number \u003cstrong data-start=\"156\" data-end=\"169\"\u003e4.071.093\u003c\/strong\u003e, designed for the logical management and operational control of compatible Fronius photovoltaic inverters.\u003cbr\u003eThis board is an electronic processing and control unit: it manages the inverter's operating logic, processes information from internal circuits, and contributes to operational monitoring and diagnostic reporting.\u003cbr\u003eThe component is intended for the \u003cstrong data-start=\"525\" data-end=\"551\"\u003eFronius IG Plus 55 V-1\u003c\/strong\u003e photovoltaic inverter. Fronius officially identifies code \u003cstrong data-start=\"610\" data-end=\"623\"\u003e4.071.093\u003c\/strong\u003e as an \u003cstrong data-start=\"630\" data-end=\"643\"\u003eIG-BRAIN2\u003c\/strong\u003e board in its spare parts and service documentation. Compatibility with the specific equipment must be verified based on the hardware revision and installed configuration.\u003c\/p\u003e\n\u003ch3 dir=\"auto\" data-start=\"815\" data-end=\"845\"\u003e\u003cspan role=\"text\"\u003e⚙️ \u003cstrong data-start=\"822\" data-end=\"845\"\u003eMain Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"846\" data-end=\"1292\"\u003e\n\u003cli data-start=\"846\" data-end=\"892\"\u003e\n\u003cstrong data-start=\"848\" data-end=\"865\"\u003eManufacturer:\u003c\/strong\u003e Fronius International GmbH\u003c\/li\u003e\n\u003cli data-start=\"893\" data-end=\"921\"\u003e\n\u003cstrong data-start=\"895\" data-end=\"911\"\u003eDesignation:\u003c\/strong\u003e IG-BRAIN2\u003c\/li\u003e\n\u003cli data-start=\"922\" data-end=\"953\"\u003e\n\u003cstrong data-start=\"924\" data-end=\"943\"\u003eArticle number:\u003c\/strong\u003e 4.071.093\u003c\/li\u003e\n\u003cli data-start=\"954\" data-end=\"996\"\u003e\n\u003cstrong data-start=\"956\" data-end=\"965\"\u003eType:\u003c\/strong\u003e Electronic logic control board\u003c\/li\u003e\n\u003cli data-start=\"997\" data-end=\"1048\"\u003e\n\u003cstrong data-start=\"999\" data-end=\"1025\"\u003eReference application:\u003c\/strong\u003e Fronius IG Plus 55 V-1\u003c\/li\u003e\n\u003cli data-start=\"1049\" data-end=\"1118\"\u003e\n\u003cstrong data-start=\"1051\" data-end=\"1064\"\u003eFunction:\u003c\/strong\u003e Processing and management of inverter operating logic\u003c\/li\u003e\n\u003cli data-start=\"1119\" data-end=\"1157\"\u003e\n\u003cstrong data-start=\"1121\" data-end=\"1140\"\u003eLED indicators:\u003c\/strong\u003e POWER and STATUS\u003c\/li\u003e\n\u003cli data-start=\"1158\" data-end=\"1243\"\u003e\n\u003cstrong data-start=\"1160\" data-end=\"1176\"\u003eConnections:\u003c\/strong\u003e Multipole connectors for interfacing with the internal electronics\u003c\/li\u003e\n\u003cli data-start=\"1244\" data-end=\"1292\"\u003e\n\u003cstrong data-start=\"1246\" data-end=\"1263\"\u003eInstallation:\u003c\/strong\u003e Inside a compatible inverter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"1293\" data-end=\"1318\"\u003e\u003cspan role=\"text\"\u003e🔧 \u003cstrong data-start=\"1300\" data-end=\"1318\"\u003eMain Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1319\" data-end=\"1624\"\u003e\n\u003cli data-start=\"1319\" data-end=\"1378\"\u003eManages the operating logic of the photovoltaic inverter.\u003c\/li\u003e\n\u003cli data-start=\"1379\" data-end=\"1426\"\u003eProcesses information from internal circuits.\u003c\/li\u003e\n\u003cli data-start=\"1427\" data-end=\"1486\"\u003eCoordinates operating sequences and operating conditions.\u003c\/li\u003e\n\u003cli data-start=\"1487\" data-end=\"1531\"\u003eMonitors the equipment's operating status.\u003c\/li\u003e\n\u003cli data-start=\"1532\" data-end=\"1564\"\u003eSupports diagnostic reporting.\u003c\/li\u003e\n\u003cli data-start=\"1565\" data-end=\"1624\"\u003eInterfaces with the inverter's other electronic circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"1625\" data-end=\"1657\"\u003e\u003cspan role=\"text\"\u003e🔌 \u003cstrong data-start=\"1632\" data-end=\"1657\"\u003ePurpose and Operation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"1658\" data-end=\"1922\"\u003eThe \u003cstrong data-start=\"1662\" data-end=\"1675\"\u003eIG-BRAIN2\u003c\/strong\u003e board is a component of the inverter's electronic control system. It processes information from measurement and monitoring circuits and contributes to coordinating the equipment's operating functions.\u003cbr\u003eThe two indicators on the board are labelled:\u003c\/p\u003e\n\u003cul data-start=\"1923\" data-end=\"2260\"\u003e\n\u003cli data-start=\"1923\" data-end=\"1982\"\u003e\n\u003cstrong data-start=\"1925\" data-end=\"1935\"\u003ePOWER:\u003c\/strong\u003e Indicates that power is supplied to the board.\u003c\/li\u003e\n\u003cli data-start=\"1983\" data-end=\"2260\"\u003e\n\u003cstrong data-start=\"1985\" data-end=\"1996\"\u003eSTATUS:\u003c\/strong\u003e Indicates the operating status and must be interpreted according to the manufacturer's technical documentation.\u003cbr\u003eThe board works together with the inverter's other electronic circuits and must not be confused with a power board or a simple communication interface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"2261\" data-end=\"2285\"\u003e\u003cspan role=\"text\"\u003e🧩 \u003cstrong data-start=\"2268\" data-end=\"2285\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"2286\" data-end=\"2309\"\u003e\u003cstrong data-start=\"2286\" data-end=\"2309\"\u003eReference inverter:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2310\" data-end=\"2761\"\u003e\n\u003cli data-start=\"2310\" data-end=\"2508\"\u003e\n\u003cstrong data-start=\"2312\" data-end=\"2338\"\u003eFronius IG Plus 55 V-1\u003c\/strong\u003e\u003cbr\u003eThe IG Plus 55 V-1 belongs to the Fronius IG Plus family, documented by the manufacturer in the series' official datasheet.\u003cbr\u003eBefore purchasing, it is advisable to verify:\u003c\/li\u003e\n\u003cli data-start=\"2509\" data-end=\"2550\"\u003eThe original board code: \u003cstrong data-start=\"2536\" data-end=\"2549\"\u003e4.071.093\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"2551\" data-end=\"2575\"\u003eThe hardware revision.\u003c\/li\u003e\n\u003cli data-start=\"2576\" data-end=\"2620\"\u003eThe inverter's complete model designation.\u003c\/li\u003e\n\u003cli data-start=\"2621\" data-end=\"2761\"\u003eThe matching connectors and electronic configuration.\u003cbr\u003e\u003cstrong data-start=\"2677\" data-end=\"2686\"\u003eNote:\u003c\/strong\u003e Compatibility with other IG Plus models must not be assumed automatically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"2762\" data-end=\"2812\"\u003e\u003cspan role=\"text\"\u003e⚠️ \u003cstrong data-start=\"2769\" data-end=\"2812\"\u003ePossible Faults and Associated Symptoms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"2813\" data-end=\"2881\"\u003eA control board malfunction may be associated with symptoms such as:\u003c\/p\u003e\n\u003cul data-start=\"2882\" data-end=\"3254\"\u003e\n\u003cli data-start=\"2882\" data-end=\"2936\"\u003eThe inverter does not complete its startup sequence.\u003c\/li\u003e\n\u003cli data-start=\"2937\" data-end=\"2970\"\u003eAbnormal shutdowns or restarts.\u003c\/li\u003e\n\u003cli data-start=\"2971\" data-end=\"2999\"\u003ePersistent error messages.\u003c\/li\u003e\n\u003cli data-start=\"3000\" data-end=\"3063\"\u003eIrregular communication between internal electronic circuits.\u003c\/li\u003e\n\u003cli data-start=\"3064\" data-end=\"3254\"\u003eInconsistent operating behaviour.\u003cbr\u003eThese symptoms do not necessarily prove that the IG-BRAIN2 board is the cause. Power supplies, wiring, sensors, and power circuits should also be checked.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"3255\" data-end=\"3277\"\u003e\u003cspan role=\"text\"\u003e🔍 \u003cstrong data-start=\"3262\" data-end=\"3277\"\u003eDiagnostics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"3278\" data-end=\"3325\"\u003eBefore replacing the board, it is advisable to:\u003c\/p\u003e\n\u003col data-start=\"3326\" data-end=\"3646\"\u003e\n\u003cli data-start=\"3326\" data-end=\"3401\"\u003eCheck the power supplies according to the manufacturer's specifications.\u003c\/li\u003e\n\u003cli data-start=\"3402\" data-end=\"3439\"\u003eInspect the connectors and wiring.\u003c\/li\u003e\n\u003cli data-start=\"3440\" data-end=\"3476\"\u003eConsult any inverter error codes.\u003c\/li\u003e\n\u003cli data-start=\"3477\" data-end=\"3559\"\u003eCheck the POWER and STATUS indicators according to the technical documentation.\u003c\/li\u003e\n\u003cli data-start=\"3560\" data-end=\"3646\"\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=\"3647\" data-end=\"3671\"\u003e\u003cspan role=\"text\"\u003e🛠️ \u003cstrong data-start=\"3655\" data-end=\"3671\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3672\" data-end=\"3952\"\u003e\n\u003cli data-start=\"3672\" data-end=\"3726\"\u003eRepair of compatible Fronius photovoltaic inverters.\u003c\/li\u003e\n\u003cli data-start=\"3727\" data-end=\"3764\"\u003eReplacement of faulty logic boards.\u003c\/li\u003e\n\u003cli data-start=\"3765\" data-end=\"3802\"\u003eMaintenance of control electronics.\u003c\/li\u003e\n\u003cli data-start=\"3803\" data-end=\"3865\"\u003eRestoration of inverter monitoring and management functions.\u003c\/li\u003e\n\u003cli data-start=\"3866\" data-end=\"3952\"\u003eTechnical servicing of photovoltaic systems equipped with Fronius IG Plus inverters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"3953\" data-end=\"3982\"\u003e\u003cspan role=\"text\"\u003e🛡️ \u003cstrong data-start=\"3961\" data-end=\"3982\"\u003eProduct Condition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"3983\" data-end=\"4245\"\u003eUsed electronic board, with components and connectors visible in the photographs.\u003cbr\u003eIdentification is based on the code printed on the label. The photographs do not certify the component's electrical functionality.\u003cbr\u003e\u003cstrong data-start=\"4196\" data-end=\"4245\"\u003eFunctional status: to be verified by testing.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\" data-start=\"4246\" data-end=\"4273\"\u003e\u003cspan role=\"text\"\u003e📦 \u003cstrong data-start=\"4253\" data-end=\"4273\"\u003ePackage Contents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"4274\" data-end=\"4403\"\u003e\n\u003cli data-start=\"4274\" data-end=\"4313\"\u003e1 Fronius IG-BRAIN2 electronic board.\u003c\/li\u003e\n\u003cli data-start=\"4314\" data-end=\"4346\"\u003e\n\u003cstrong data-start=\"4316\" data-end=\"4335\"\u003eArticle number:\u003c\/strong\u003e 4.071.093.\u003c\/li\u003e\n\u003cli data-start=\"4347\" data-end=\"4403\"\u003eComponents and connectors as shown in the photographs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" data-start=\"4404\" data-end=\"4422\"\u003e\u003cspan role=\"text\"\u003e🟢 \u003cstrong data-start=\"4411\" data-end=\"4422\"\u003eSummary\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"4423\" data-end=\"4979\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eOriginal \u003cstrong data-start=\"4432\" data-end=\"4453\"\u003eFronius IG-BRAIN2\u003c\/strong\u003e logic board, code \u003cstrong data-start=\"4472\" data-end=\"4485\"\u003e4.071.093\u003c\/strong\u003e, intended as a replacement for the \u003cstrong data-start=\"4521\" data-end=\"4547\"\u003eFronius IG Plus 55 V-1\u003c\/strong\u003e photovoltaic inverter.\u003cbr\u003eIt is designed to manage the inverter's operating logic and monitoring functions. It is a replacement part for maintenance and repair, subject to verification of compatibility with the exact model.\u003cbr\u003e\u003cstrong data-start=\"4769\" data-end=\"4788\"\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":55026442010957,"sku":null,"price":100.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3274\/3245\/files\/MG_7171.jpg?v=1791817922","url":"https:\/\/greenenergy-repair.com\/ro\/products\/fronius-ig-brain2-control-board-4-071-093-fronius-ig-plus-55-v-1","provider":"Green Energy","version":"1.0","type":"link"}