{"product_id":"fanuc-a20b-8200-0581","title":"Fanuc A20B-8200-0581 31i-A5 Main PCB","description":"\u003cp data-start=\"5573\" data-end=\"5852\"\u003eThe \u003cstrong data-start=\"5577\" data-end=\"5595\"\u003eA20B-8200-0581\u003c\/strong\u003e is a Fanuc main PCB used in \u003cstrong data-start=\"5624\" data-end=\"5634\"\u003e31i-A5\u003c\/strong\u003e CNC control systems. As one of the core electronic assemblies inside the control unit, this board supports the machine’s ability to start correctly, process control functions, and maintain stable day-to-day operation.\u003c\/p\u003e\n\u003cp data-start=\"5854\" data-end=\"6185\"\u003eWhen a main board fails, the impact is usually immediate. The machine may stop responding normally, show communication issues, or experience control instability that affects production schedules. In those situations, finding the correct \u003cstrong data-start=\"6091\" data-end=\"6109\"\u003eA20B 8200 0581\u003c\/strong\u003e replacement board is often the fastest way to bring the system back online.\u003c\/p\u003e\n\u003cp data-start=\"6187\" data-end=\"6356\"\u003eAt \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" title=\"Reliable Buy \u0026amp; Repair industrial automation parts - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eREACO CNC\u003c\/a\u003e, we help customers source dependable \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-cnc-robot-parts\" title=\"Buy \u0026amp; Repair Fanuc Parts - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-start=\"6048\" data-end=\"6063\"\u003eFanuc parts\u003c\/strong\u003e\u003c\/a\u003e for maintenance, replacement planning, and \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" title=\"Reliable Repair for FANUC, Mitsubishi, and All CNC Parts - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-start=\"8710\" data-end=\"8726\"\u003eFanuc repair\u003c\/strong\u003e\u003c\/a\u003e support across a wide range of CNC systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1k8uwy3\" data-start=\"6358\" data-end=\"6381\"\u003eProduct Description\u003c\/h3\u003e\n\u003cp data-start=\"6383\" data-end=\"6685\"\u003eThe \u003cstrong data-start=\"6387\" data-end=\"6425\"\u003eA20B-8200-0581 \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-pcbs\" target=\"_blank\" title=\"Buy \u0026amp; Repair Fanuc PCBs for Reliable Industrial Automation\" rel=\"noopener\"\u003eFanuc control board\u003c\/a\u003e\u003c\/strong\u003e is associated with \u003cstrong data-start=\"6445\" data-end=\"6455\"\u003e31i-A5\u003c\/strong\u003e systems and is commonly requested by service teams and end users maintaining installed equipment. Because this board functions as a main PCB, it is directly tied to the machine’s control reliability and overall system continuity.\u003c\/p\u003e\n\u003cp data-start=\"6687\" data-end=\"7022\"\u003eFor many customers, the goal is straightforward: keep the existing machine running without spending unnecessary time on major modifications. In that context, the correct board matters more than anything else. Using the exact replacement model helps reduce installation risk and keeps the original \u003cstrong data-start=\"6984\" data-end=\"7004\"\u003eFanuc controller\u003c\/strong\u003e structure intact.\u003c\/p\u003e\n\u003ch3 data-section-id=\"114n615\" data-start=\"7024\" data-end=\"7041\"\u003eMain Benefits\u003c\/h3\u003e\n\u003cul data-start=\"7043\" data-end=\"7319\"\u003e\n\u003cli data-section-id=\"lvzst8\" data-start=\"7043\" data-end=\"7088\"\u003eMain PCB for Fanuc \u003cstrong data-start=\"7064\" data-end=\"7074\"\u003e31i-A5\u003c\/strong\u003e CNC systems\u003c\/li\u003e\n\u003cli data-section-id=\"b2sk5g\" data-start=\"7089\" data-end=\"7135\"\u003eSupports central machine control functions\u003c\/li\u003e\n\u003cli data-section-id=\"18up067\" data-start=\"7136\" data-end=\"7199\"\u003eSuitable for replacement, spare stock, or repair evaluation\u003c\/li\u003e\n\u003cli data-section-id=\"p4hwoa\" data-start=\"7200\" data-end=\"7263\"\u003eHelps maintain compatibility with installed Fanuc equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1o0arpp\" data-start=\"7264\" data-end=\"7319\"\u003eReliable option for ongoing \u003cstrong data-start=\"7294\" data-end=\"7307\"\u003eFanuc CNC\u003c\/strong\u003e maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"hkfo8\" data-start=\"7321\" data-end=\"7342\"\u003eTypical Use Cases\u003c\/h3\u003e\n\u003cp data-start=\"7344\" data-end=\"7391\"\u003eThe \u003cstrong data-start=\"7348\" data-end=\"7366\"\u003eA20B-8200-0581\u003c\/strong\u003e is commonly sourced for:\u003c\/p\u003e\n\u003cul data-start=\"7393\" data-end=\"7649\"\u003e\n\u003cli data-section-id=\"wxbgkl\" data-start=\"7393\" data-end=\"7426\"\u003eCNC control board replacement\u003c\/li\u003e\n\u003cli data-section-id=\"ar8mv8\" data-start=\"7427\" data-end=\"7482\"\u003eMaintenance support for active production equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1bdf1nj\" data-start=\"7483\" data-end=\"7531\"\u003eBackup \u003cstrong data-start=\"7492\" data-end=\"7507\"\u003eFanuc stock\u003c\/strong\u003e for critical machines\u003c\/li\u003e\n\u003cli data-section-id=\"1obcjte\" data-start=\"7532\" data-end=\"7581\"\u003eRepair projects involving control instability\u003c\/li\u003e\n\u003cli data-section-id=\"1so7syc\" data-start=\"7582\" data-end=\"7649\"\u003eService work requiring original-compatible \u003cstrong data-start=\"7627\" data-end=\"7649\"\u003eFanuc control PCBs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"7651\" data-end=\"7837\"\u003eIt may also be purchased together with \u003cstrong data-start=\"7690\" data-end=\"7709\"\u003eservo amplifier\u003c\/strong\u003e, \u003cstrong data-start=\"7711\" data-end=\"7728\"\u003espindle drive\u003c\/strong\u003e, power supply, or interface modules when multiple electronic assemblies are being serviced at the same time.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1pmwiby\" data-start=\"7839\" data-end=\"7870\"\u003eStock and Condition Options\u003c\/h3\u003e\n\u003cp data-start=\"7872\" data-end=\"7937\"\u003eDepending on current availability, this board may be supplied in:\u003c\/p\u003e\n\u003cul data-start=\"7939\" data-end=\"8001\"\u003e\n\u003cli data-section-id=\"1jqn1mv\" data-start=\"7939\" data-end=\"7956\"\u003eNew condition\u003c\/li\u003e\n\u003cli data-section-id=\"1op2ke4\" data-start=\"7957\" data-end=\"7982\"\u003eRefurbished condition\u003c\/li\u003e\n\u003cli data-section-id=\"1u2nacc\" data-start=\"7983\" data-end=\"8001\"\u003eUsed condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"8003\" data-end=\"8184\"\u003eFor many customers, refurbished stock is the most practical route because it offers a good balance of cost and availability while still supporting the original system configuration.\u003c\/p\u003e\n\u003ch3 data-section-id=\"15y0eww\" data-start=\"8186\" data-end=\"8222\"\u003eWhy This Model Remains Important\u003c\/h3\u003e\n\u003cp data-start=\"8224\" data-end=\"8496\"\u003eMain PCBs are often among the most important boards in a CNC system, but they are also among the most disruptive when they fail. That is why customers continue to search for the \u003cstrong data-start=\"8402\" data-end=\"8420\"\u003eA20B-8200-0581\u003c\/strong\u003e when they need to restore a machine quickly and avoid unnecessary downtime.\u003c\/p\u003e\n\u003cp data-start=\"8498\" data-end=\"8551\"\u003eCustomers usually look for this model when they need:\u003c\/p\u003e\n\u003cul data-start=\"8553\" data-end=\"8796\"\u003e\n\u003cli data-section-id=\"1yv21su\" data-start=\"8553\" data-end=\"8604\"\u003eA direct replacement for a failed control board\u003c\/li\u003e\n\u003cli data-section-id=\"yvqg9r\" data-start=\"8605\" data-end=\"8647\"\u003eSupport for \u003cstrong data-start=\"8619\" data-end=\"8629\"\u003e31i-A5\u003c\/strong\u003e control systems\u003c\/li\u003e\n\u003cli data-section-id=\"1a9fu60\" data-start=\"8648\" data-end=\"8688\"\u003eAccess to dependable \u003cstrong data-start=\"8671\" data-end=\"8686\"\u003eFanuc parts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1uxgder\" data-start=\"8689\" data-end=\"8739\"\u003eA realistic alternative to long OEM wait times\u003c\/li\u003e\n\u003cli data-section-id=\"yq2gaz\" data-start=\"8740\" data-end=\"8796\"\u003eHelp deciding between replacement and \u003cstrong data-start=\"8780\" data-end=\"8796\"\u003eFanuc repair\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"19ywls1\" data-start=\"8798\" data-end=\"8832\"\u003eRepair and Replacement Support\u003c\/h3\u003e\n\u003cp data-start=\"8834\" data-end=\"9093\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" title=\"Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eREACO CNC\u003c\/a\u003e supports both direct board supply and \u003cstrong data-start=\"8882\" data-end=\"8898\"\u003eFanuc repair\u003c\/strong\u003e inquiries. If your original \u003cstrong data-start=\"8927\" data-end=\"8945\"\u003eA20B-8200-0581\u003c\/strong\u003e is damaged, we can help determine whether repair is practical or whether replacement is the better solution based on urgency, condition, and stock.\u003c\/p\u003e\n\u003cp data-start=\"9095\" data-end=\"9288\"\u003eWe also provide support for related \u003cstrong data-start=\"9131\" data-end=\"9146\"\u003eFanuc parts\u003c\/strong\u003e, including main boards, interface PCBs, control modules, amplifier units, and other electronic assemblies used in Fanuc-controlled machinery.\u003c\/p\u003e\n\u003ch3 data-section-id=\"4b2csc\" data-start=\"9290\" data-end=\"9310\"\u003eAdditional Notes\u003c\/h3\u003e\n\u003cp data-start=\"9312\" data-end=\"9635\"\u003eFor many factories, the best solution is not always a full system upgrade. In many cases, replacing the correct main PCB is enough to keep an otherwise productive machine running efficiently. A properly matched \u003cstrong data-start=\"9523\" data-end=\"9541\"\u003eA20B 8200 0581\u003c\/strong\u003e can help extend the service life of the equipment and reduce the cost of unexpected downtime.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1xxf4ds\" data-start=\"9637\" data-end=\"9644\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"9646\" data-end=\"9726\"\u003e\u003cstrong data-start=\"9646\" data-end=\"9673\"\u003eWhat is A20B-8200-0581?\u003c\/strong\u003e\u003cbr data-start=\"9673\" data-end=\"9676\"\u003eIt is a Fanuc main PCB used in 31i-A5 CNC systems.\u003c\/p\u003e\n\u003cp data-start=\"9728\" data-end=\"9855\"\u003e\u003cstrong data-start=\"9728\" data-end=\"9760\"\u003eWhat is this board used for?\u003c\/strong\u003e\u003cbr data-start=\"9760\" data-end=\"9763\"\u003eIt is a central control board that supports core CNC functions and stable machine operation.\u003c\/p\u003e\n\u003cp data-start=\"9857\" data-end=\"9971\"\u003e\u003cstrong data-start=\"9857\" data-end=\"9892\"\u003eCan A20B-8200-0581 be repaired?\u003c\/strong\u003e\u003cbr data-start=\"9892\" data-end=\"9895\"\u003eYes. Repair may be possible depending on the board condition and fault type.\u003c\/p\u003e\n\u003cp data-start=\"9973\" data-end=\"10071\"\u003e\u003cstrong data-start=\"9973\" data-end=\"10018\"\u003eIs this board used in Fanuc CNC machines?\u003c\/strong\u003e\u003cbr data-start=\"10018\" data-end=\"10021\"\u003eYes. It is used in Fanuc-controlled CNC equipment.\u003c\/p\u003e\n\u003cp data-start=\"10073\" data-end=\"10168\"\u003e\u003cstrong data-start=\"10073\" data-end=\"10115\"\u003eDo you provide international shipping?\u003c\/strong\u003e\u003cbr data-start=\"10115\" data-end=\"10118\"\u003eYes. We supply Fanuc parts to customers worldwide.\u003c\/p\u003e\n\u003chr data-start=\"5487\" data-end=\"5490\"\u003e\n\u003cp data-start=\"10179\" data-end=\"10313\"\u003e\u003cstrong data-start=\"10179\" data-end=\"10234\"\u003eLooking for A20B-8200-0581 stock or repair support?\u003c\/strong\u003e\u003cbr data-start=\"10234\" data-end=\"10237\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/pages\/contact-us\" title=\"Contact Us for Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eContact REACO CNC\u003c\/a\u003e for pricing, availability, and worldwide shipping options.\u003c\/p\u003e","brand":"REACO CNC","offers":[{"title":"Brand New","offer_id":48487395950807,"sku":"A20B-8200-0581-new","price":863.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A20B-8200-0581_Fanuc_control_board.jpg?v=1776224352","url":"https:\/\/reacocnc.com\/products\/fanuc-a20b-8200-0581","provider":"REACO CNC","version":"1.0","type":"link"}