{"product_id":"refu-elektronik-bf29724b-display-control-board-with-graphic-lcd-display-for-refusol-photovoltaic-inverters","title":"REFU Elektronik BF29724B Display Control Board with Graphic LCD Display for REFUsol Photovoltaic Inverters","description":"\u003cp data-start=\"143\" data-end=\"329\"\u003eOriginal \u003cstrong data-start=\"152\" data-end=\"202\"\u003eREFU Elektronik BF29724B Display Control Board\u003c\/strong\u003e featuring an integrated graphic LCD display, designed as the operator interface module for \u003cstrong data-start=\"294\" data-end=\"328\"\u003eREFUsol photovoltaic inverters\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"331\" data-end=\"639\"\u003eThis electronic assembly is responsible for displaying inverter operating data, providing access to configuration menus, and supporting system diagnostics. Through the LCD display, users can monitor key operating parameters such as power output, energy production, inverter status, alarms, and system events.\u003c\/p\u003e\n\u003cp data-start=\"641\" data-end=\"823\"\u003eThe module integrates control electronics, a dedicated microcontroller, display interface circuitry, and communication connectors for connection to the inverter's main control board.\u003c\/p\u003e\n\u003cp data-start=\"825\" data-end=\"947\"\u003eIdeal as a replacement part for repairing REFUsol inverters experiencing display, communication, or user interface issues.\u003c\/p\u003e\n\u003chr data-start=\"949\" data-end=\"952\"\u003e\n\u003ch2 data-start=\"954\" data-end=\"974\"\u003e⚙️ Main Functions\u003c\/h2\u003e\n\u003cp data-start=\"976\" data-end=\"1253\"\u003e✔ Photovoltaic production data display\u003cbr data-start=\"1014\" data-end=\"1017\"\u003e✔ Inverter status monitoring\u003cbr data-start=\"1045\" data-end=\"1048\"\u003e✔ Alarm and fault management\u003cbr data-start=\"1076\" data-end=\"1079\"\u003e✔ System diagnostics and event reporting\u003cbr data-start=\"1119\" data-end=\"1122\"\u003e✔ Access to configuration and service menus\u003cbr data-start=\"1165\" data-end=\"1168\"\u003e✔ Local user interface (HMI)\u003cbr data-start=\"1196\" data-end=\"1199\"\u003e✔ Communication with the inverter main control board\u003c\/p\u003e\n\u003chr data-start=\"1255\" data-end=\"1258\"\u003e\n\u003ch2 data-start=\"1260\" data-end=\"1294\"\u003e🔌 Function Within the Inverter\u003c\/h2\u003e\n\u003cp data-start=\"1296\" data-end=\"1423\"\u003eInside REFUsol photovoltaic inverters, this module serves as the primary \u003cstrong data-start=\"1369\" data-end=\"1402\"\u003eHuman Machine Interface (HMI)\u003c\/strong\u003e and allows users to:\u003c\/p\u003e\n\u003cul data-start=\"1425\" data-end=\"1653\"\u003e\n\u003cli data-start=\"1425\" data-end=\"1463\"\u003eMonitor real-time inverter operation\u003c\/li\u003e\n\u003cli data-start=\"1464\" data-end=\"1493\"\u003eView energy production data\u003c\/li\u003e\n\u003cli data-start=\"1494\" data-end=\"1525\"\u003eAccess configuration settings\u003c\/li\u003e\n\u003cli data-start=\"1526\" data-end=\"1562\"\u003eDisplay warning and fault messages\u003c\/li\u003e\n\u003cli data-start=\"1563\" data-end=\"1603\"\u003eNavigate service and maintenance menus\u003c\/li\u003e\n\u003cli data-start=\"1604\" data-end=\"1653\"\u003eMonitor system performance and operating status\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1655\" data-end=\"1744\"\u003e👉 This board acts as the main communication interface between the user and the inverter.\u003c\/p\u003e\n\u003chr data-start=\"1746\" data-end=\"1749\"\u003e\n\u003ch2 data-start=\"1751\" data-end=\"1781\"\u003e🔧 Technical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1783\" data-end=\"2073\"\u003e\n\u003cli data-start=\"1783\" data-end=\"1818\"\u003e\n\u003cstrong data-start=\"1785\" data-end=\"1802\"\u003eManufacturer:\u003c\/strong\u003e REFU Elektronik\u003c\/li\u003e\n\u003cli data-start=\"1819\" data-end=\"1845\"\u003e\n\u003cstrong data-start=\"1821\" data-end=\"1836\"\u003eBoard Code:\u003c\/strong\u003e BF29724B\u003c\/li\u003e\n\u003cli data-start=\"1846\" data-end=\"1876\"\u003e\n\u003cstrong data-start=\"1848\" data-end=\"1864\"\u003ePart Number:\u003c\/strong\u003e 0029725B\/01\u003c\/li\u003e\n\u003cli data-start=\"1877\" data-end=\"1922\"\u003e\n\u003cstrong data-start=\"1879\" data-end=\"1888\"\u003eType:\u003c\/strong\u003e Display Control Board \/ HMI Board\u003c\/li\u003e\n\u003cli data-start=\"1923\" data-end=\"1960\"\u003e\n\u003cstrong data-start=\"1925\" data-end=\"1937\"\u003eDisplay:\u003c\/strong\u003e Graphic monochrome LCD\u003c\/li\u003e\n\u003cli data-start=\"1961\" data-end=\"1993\"\u003e\n\u003cstrong data-start=\"1963\" data-end=\"1983\"\u003eMicrocontroller:\u003c\/strong\u003e Atmel ARM\u003c\/li\u003e\n\u003cli data-start=\"1994\" data-end=\"2023\"\u003e\n\u003cstrong data-start=\"1996\" data-end=\"2007\"\u003eOrigin:\u003c\/strong\u003e Made in Germany\u003c\/li\u003e\n\u003cli data-start=\"2024\" data-end=\"2073\"\u003e\n\u003cstrong data-start=\"2026\" data-end=\"2042\"\u003eApplication:\u003c\/strong\u003e REFUsol photovoltaic inverters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2075\" data-end=\"2078\"\u003e\n\u003ch2 data-start=\"2080\" data-end=\"2107\"\u003e📊 Displayed Information\u003c\/h2\u003e\n\u003cp data-start=\"2109\" data-end=\"2148\"\u003eThe integrated LCD display can provide:\u003c\/p\u003e\n\u003cul data-start=\"2150\" data-end=\"2374\"\u003e\n\u003cli data-start=\"2150\" data-end=\"2181\"\u003eInstantaneous AC power output\u003c\/li\u003e\n\u003cli data-start=\"2182\" data-end=\"2217\"\u003eDaily and total energy production\u003c\/li\u003e\n\u003cli data-start=\"2218\" data-end=\"2239\"\u003eDC input parameters\u003c\/li\u003e\n\u003cli data-start=\"2240\" data-end=\"2264\"\u003eGrid connection status\u003c\/li\u003e\n\u003cli data-start=\"2265\" data-end=\"2290\"\u003eInverter operating mode\u003c\/li\u003e\n\u003cli data-start=\"2291\" data-end=\"2317\"\u003eAlarm and fault messages\u003c\/li\u003e\n\u003cli data-start=\"2318\" data-end=\"2349\"\u003eSystem events and diagnostics\u003c\/li\u003e\n\u003cli data-start=\"2350\" data-end=\"2374\"\u003eConfiguration settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2376\" data-end=\"2379\"\u003e\n\u003ch2 data-start=\"2381\" data-end=\"2414\"\u003e⚠️ Typical Faults and Symptoms\u003c\/h2\u003e\n\u003cp data-start=\"2416\" data-end=\"2460\"\u003eA defective display control board may cause:\u003c\/p\u003e\n\u003cp data-start=\"2462\" data-end=\"2762\"\u003e❗ Blank or unreadable display\u003cbr data-start=\"2491\" data-end=\"2494\"\u003e❗ Missing production data visualization\u003cbr data-start=\"2533\" data-end=\"2536\"\u003e❗ Frozen menus or navigation issues\u003cbr data-start=\"2571\" data-end=\"2574\"\u003e❗ Communication errors with the inverter controller\u003cbr data-start=\"2625\" data-end=\"2628\"\u003e❗ Incorrect status indications\u003cbr data-start=\"2658\" data-end=\"2661\"\u003e❗ Startup display failures\u003cbr data-start=\"2687\" data-end=\"2690\"\u003e❗ Unresponsive user interface buttons\u003cbr data-start=\"2727\" data-end=\"2730\"\u003e❗ Loss of diagnostic information\u003c\/p\u003e\n\u003chr data-start=\"2764\" data-end=\"2767\"\u003e\n\u003ch2 data-start=\"2769\" data-end=\"2798\"\u003e🚨 Possible Related Errors\u003c\/h2\u003e\n\u003cp data-start=\"2800\" data-end=\"2918\"\u003eDepending on inverter model and firmware version, failures involving the display control board may be associated with:\u003c\/p\u003e\n\u003cul data-start=\"2920\" data-end=\"3121\"\u003e\n\u003cli data-start=\"2920\" data-end=\"2935\"\u003eDisplay Error\u003c\/li\u003e\n\u003cli data-start=\"2936\" data-end=\"2961\"\u003eHMI Communication Fault\u003c\/li\u003e\n\u003cli data-start=\"2962\" data-end=\"2992\"\u003eInternal Communication Error\u003c\/li\u003e\n\u003cli data-start=\"2993\" data-end=\"3015\"\u003eUser Interface Fault\u003c\/li\u003e\n\u003cli data-start=\"3016\" data-end=\"3042\"\u003eLCD Initialization Error\u003c\/li\u003e\n\u003cli data-start=\"3043\" data-end=\"3064\"\u003eControl Panel Fault\u003c\/li\u003e\n\u003cli data-start=\"3065\" data-end=\"3090\"\u003eSystem Monitoring Error\u003c\/li\u003e\n\u003cli data-start=\"3091\" data-end=\"3121\"\u003eFirmware Communication Error\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3123\" data-end=\"3126\"\u003e\n\u003ch2 data-start=\"3128\" data-end=\"3147\"\u003e🔄 Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"3149\" data-end=\"3200\"\u003eUsed in several REFUsol inverter models, including:\u003c\/p\u003e\n\u003cul data-start=\"3202\" data-end=\"3276\"\u003e\n\u003cli data-start=\"3202\" data-end=\"3216\"\u003eREFUsol 008K\u003c\/li\u003e\n\u003cli data-start=\"3217\" data-end=\"3231\"\u003eREFUsol 010K\u003c\/li\u003e\n\u003cli data-start=\"3232\" data-end=\"3246\"\u003eREFUsol 013K\u003c\/li\u003e\n\u003cli data-start=\"3247\" data-end=\"3261\"\u003eREFUsol 015K\u003c\/li\u003e\n\u003cli data-start=\"3262\" data-end=\"3276\"\u003eREFUsol 020K\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3278\" data-end=\"3353\"\u003eand other REFU inverter models using the same \u003cstrong data-start=\"3324\" data-end=\"3336\"\u003eBF29724B\u003c\/strong\u003e board reference.\u003c\/p\u003e\n\u003cp data-start=\"3355\" data-end=\"3441\"\u003e\u003cstrong data-start=\"3355\" data-end=\"3441\"\u003eAlways verify the board code BF29724B and Part Number 0029725B\/01 before purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"3443\" data-end=\"3446\"\u003e\n\u003ch2 data-start=\"3448\" data-end=\"3466\"\u003e🛠 Applications\u003c\/h2\u003e\n\u003cul data-start=\"3468\" data-end=\"3708\"\u003e\n\u003cli data-start=\"3468\" data-end=\"3493\"\u003eREFUsol inverter repair\u003c\/li\u003e\n\u003cli data-start=\"3494\" data-end=\"3537\"\u003eReplacement of faulty LCD display modules\u003c\/li\u003e\n\u003cli data-start=\"3538\" data-end=\"3584\"\u003eRestoration of inverter monitoring functions\u003c\/li\u003e\n\u003cli data-start=\"3585\" data-end=\"3625\"\u003eRepair of communication and HMI faults\u003c\/li\u003e\n\u003cli data-start=\"3626\" data-end=\"3667\"\u003eRefurbishment of photovoltaic inverters\u003c\/li\u003e\n\u003cli data-start=\"3668\" data-end=\"3708\"\u003eProfessional maintenance of PV systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3710\" data-end=\"3713\"\u003e\n\u003ch2 data-start=\"3715\" data-end=\"3731\"\u003e💡 Advantages\u003c\/h2\u003e\n\u003cp data-start=\"3733\" data-end=\"4009\"\u003e✔ Original REFU Elektronik component\u003cbr data-start=\"3769\" data-end=\"3772\"\u003e✔ Integrated graphic LCD display\u003cbr data-start=\"3804\" data-end=\"3807\"\u003e✔ Restores inverter monitoring capabilities\u003cbr data-start=\"3850\" data-end=\"3853\"\u003e✔ Enables configuration and diagnostics access\u003cbr data-start=\"3899\" data-end=\"3902\"\u003e✔ Reliable industrial-grade electronics\u003cbr data-start=\"3941\" data-end=\"3944\"\u003e✔ Cost-effective repair solution compared to inverter replacement\u003c\/p\u003e\n\u003chr data-start=\"4011\" data-end=\"4014\"\u003e\n\u003ch2 data-start=\"4016\" data-end=\"4029\"\u003e🟢 Summary\u003c\/h2\u003e\n\u003cp data-start=\"4031\" data-end=\"4457\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe \u003cstrong data-start=\"4035\" data-end=\"4085\"\u003eREFU Elektronik BF29724B Display Control Board\u003c\/strong\u003e is the original HMI and display interface module used in various \u003cstrong data-start=\"4151\" data-end=\"4185\"\u003eREFUsol photovoltaic inverters\u003c\/strong\u003e. Equipped with a graphic LCD display and Atmel ARM-based control electronics, it provides monitoring, diagnostics, configuration access, and user interaction, making it an essential component for the proper operation and maintenance of REFU photovoltaic inverter systems.\u003c\/p\u003e","brand":"Green Energy","offers":[{"title":"Default Title","offer_id":54014543102285,"sku":null,"price":80.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3274\/3245\/files\/be1bcdfc-2ff2-470d-8fb6-ba3dfa913a45.png?v=1780325796","url":"https:\/\/greenenergy-repair.com\/el\/products\/refu-elektronik-bf29724b-display-control-board-with-graphic-lcd-display-for-refusol-photovoltaic-inverters","provider":"Green Energy","version":"1.0","type":"link"}