{"product_id":"samsung-dc92-00421a-main-pcb-assembly","title":"Samsung Washer Main PCB Assembly DC92-00421A — Fixes No Power, Error Codes \u0026 Cycle Failures","description":"\u003cstyle\u003e\n.hero-banner{\nposition:relative;\noverflow:hidden;\nbackground:linear-gradient(135deg,rgba(0,0,0,.86) 55%,rgba(0,0,0,.45)),url('https:\/\/cdn.shopify.com\/s\/files\/1\/0897\/7783\/2225\/files\/4444444444444444.png?v=1777040489') center\/cover no-repeat;\npadding:44px 34px;\nborder-radius:12px;\nmargin:0 0 28px;\ncolor:#fff;\nbox-shadow:0 10px 30px rgba(0,0,0,.25);\n}\n.hero-banner:before{\ncontent:'';\nposition:absolute;\ninset:0;\nbackground:radial-gradient(circle at center,rgba(0,153,255,.20),transparent 65%);\nanimation:pulse 5s infinite;\n}\n.hero-banner\u003e*{\nposition:relative;\nz-index:2;\n}\n.hero-banner h2{\nmargin:0 0 8px;\nfont-size:1.85em;\nfont-weight:900;\nletter-spacing:.2px;\nline-height:1.1;\n}\n.label{\ndisplay:inline-block;\nbackground:#c8a400;\ncolor:#000;\nfont-size:.72em;\nfont-weight:900;\ntext-transform:uppercase;\nletter-spacing:1px;\npadding:5px 12px;\nborder-radius:999px;\nmargin-bottom:12px;\n}\n.hero-specs{\ndisplay:flex;\nflex-wrap:wrap;\ngap:8px;\nmargin-top:15px;\n}\n.hero-specs span{\nbackground:rgba(255,255,255,.14);\nborder:1px solid rgba(255,255,255,.25);\nborder-radius:999px;\npadding:7px 13px;\nfont-size:.82em;\nfont-weight:800;\n}\n.pro-tip{\nposition:relative;\noverflow:hidden;\nbackground:#1a1a2e;\nborder-left:5px solid #c8a400;\npadding:16px 20px;\nborder-radius:8px;\nmargin:24px 0;\ncolor:#f0f0f0;\nfont-size:.95em;\nline-height:1.6;\n}\n.pro-tip strong{\ncolor:#c8a400;\n}\n.upsell-box{\nbackground:#ffecd1;\nborder-left:5px solid #ff9800;\npadding:14px 18px;\nmargin:20px 0;\nborder-radius:8px;\n}\n@keyframes pulse{\n50%{opacity:.85}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"hero-banner\"\u003e\n  \u003cdiv class=\"label\"\u003eOEM REPLACEMENT PART\u003c\/div\u003e\n  \u003ch2\u003eSamsung Washer Main PCB Assembly DC92-00421A\u003c\/h2\u003e\n  \u003cdiv class=\"hero-specs\"\u003e\n    \u003cspan\u003ePart# DC92-00421A\u003c\/span\u003e\n    \u003cspan\u003eOEM Samsung\u003c\/span\u003e\n    \u003cspan\u003eFits Samsung Front-Load Washers\u003c\/span\u003e\n    \u003cspan\u003eWF42 \/ WF45 Series\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch1\u003eSamsung Washer Not Starting or Showing Error Codes? Main PCB DC92-00421A – Fix Control Failures Fast\u003c\/h1\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eIf your Samsung washer won't power on, stops mid-cycle, or is stuck displaying error codes, the main PCB assembly is the most common cause.\u003c\/strong\u003e\nIn most Samsung front-load washers, the main PCB (printed circuit board) is the central control unit that manages every function — motor speed, water fill, spin, drain, and cycle sequencing.\nWhen it fails, the washer may be completely unresponsive, throw persistent error codes (4E, 5E, UE, dE), or start a cycle and stop without completing it.\n\u003cstrong\u003e⚡ Common failure point in Samsung WF42 and WF45 series front-load washers.\u003c\/strong\u003e\n\u003cstrong\u003ePart DC92-00421A\u003c\/strong\u003e is the genuine OEM replacement that restores full electronic control, clears fault conditions, and returns the washer to normal operation.\n\u003c\/p\u003e\n\n\u003ch3\u003e❓ Is This the Right Part?\u003c\/h3\u003e\n\u003cp\u003eThis is the correct fix if ALL of the following are true:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ The washer has power at the outlet — breaker and cord confirmed OK\u003c\/li\u003e\n\u003cli\u003e✔ Door latch, lid switch, and wiring harness have been checked and are intact\u003c\/li\u003e\n\u003cli\u003e✔ Error codes persist after power cycling (unplug 60 seconds, replug)\u003c\/li\u003e\n\u003cli\u003e✔ ONLY problem is the washer not responding, not starting, or failing mid-cycle with no mechanical cause\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact\"\u003eSend us your model number\u003c\/a\u003e — we'll confirm before you order.\u003c\/p\u003e\n\n\u003ch3\u003e🔧 Common Symptoms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWasher completely dead — no display, no response to any button\u003c\/li\u003e\n\u003cli\u003ePersistent error codes: 4E, 5E, UE, dE, or blinking panel lights\u003c\/li\u003e\n\u003cli\u003eWasher starts a cycle then stops randomly without completing\u003c\/li\u003e\n\u003cli\u003eControl panel buttons unresponsive or behaving erratically\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e✔ If these symptoms match, this is the most likely failed component in the system.\u003c\/p\u003e\n\u003cp\u003e✔ In most cases, replacing this main PCB assembly restores full washer operation immediately.\u003c\/p\u003e\n\n\u003ch3\u003e📦 Part Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e DC92-00421A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Main PCB Assembly — Electronic Control Board, OEM Samsung\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e DC92-00421A (verify any supersession with Samsung parts lookup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrands:\u003c\/strong\u003e Samsung\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"upsell-box\"\u003e\n\u003cstrong\u003e⚠️ Recommended While Repairing:\u003c\/strong\u003e\u003cbr\u003e\nWhile the control board is out, inspect the \u003cstrong\u003ewiring harness connectors\u003c\/strong\u003e for burn marks, corrosion, or loose pins — a damaged connector is often the root cause of PCB failure and will destroy a new board if not addressed. Also check the \u003cstrong\u003edoor latch assembly\u003c\/strong\u003e; a faulty latch can send bad signals that mimic a failed PCB.\n\u003c\/div\u003e\n\n\u003ch3\u003e⚙️ Installation\u003c\/h3\u003e\n\u003cp\u003e\n\u003cstrong\u003eSkill Level: MODERATE — 20–35 minutes.\u003c\/strong\u003e\nDisconnect power before servicing.\nRemove the top panel and control panel housing to access the PCB. Photograph all harness connector positions before disconnecting. Transfer connectors one-by-one to the new board, secure the board to the housing, and reassemble in reverse order. Run a diagnostic cycle to confirm all error codes are cleared.\n\u003c\/p\u003e\n\n\u003ch3\u003e✓ Compatible Models\u003c\/h3\u003e\n\u003cp\u003e\nConfirmed compatible with WF42H5000AW, WF45H6300AW, WF45H6500AW, WF45H7000AW, WF45H7500AW, WF45H7900AW plus additional Samsung WF42\/WF45 series models.\n\u003ca href=\"\/pages\/contact\"\u003eContact us to verify your model number\u003c\/a\u003e before ordering.\n\u003c\/p\u003e\n\n\u003ch3\u003e💡 Pro Tip\u003c\/h3\u003e\n\u003cdiv class=\"pro-tip\"\u003e\n\u003cstrong\u003ePhotograph Before You Disconnect:\u003c\/strong\u003e\u003cbr\u003e\nSamsung PCBs have 8–12 harness connectors and they are not all keyed differently. Take a clear photo of the full board with all connectors in place before removing a single one — this 30-second step prevents a 30-minute troubleshooting session on reassembly and ensures the new board powers up correctly on the first try.\n\u003c\/div\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":50329228280097,"sku":"DC92-00421A","price":259.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0897\/7783\/2225\/files\/999999999999999999999999999999_2.webp?v=1781233739","url":"https:\/\/xpartsupply.com\/products\/samsung-dc92-00421a-main-pcb-assembly","provider":"XPart Supply Ltd.","version":"1.0","type":"link"}