.hero-banner{position:relative;overflow:hidden;background: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;padding:44px 34px;border-radius:12px;margin:0 0 28px;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.25);} .hero-banner:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at center,rgba(0,153,255,.20),transparent 65%);animation:pulse 5s infinite;} .hero-banner>*{position:relative;z-index:2;} .hero-banner h2{margin:0 0 8px;font-size:1.85em;font-weight:900;letter-spacing:.2px;line-height:1.1;} .label{display:inline-block;background:#c8a400;color:#000;font-size:.72em;font-weight:900;text-transform:uppercase;letter-spacing:1px;padding:5px 12px;border-radius:999px;margin-bottom:12px;} .hero-specs{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px;} .hero-specs span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 13px;font-size:.82em;font-weight:800;} .pro-tip{position:relative;overflow:hidden;background:#1a1a2e;border-left:5px solid #c8a400;padding:16px 20px;border-radius:8px;margin:24px 0;color:#f0f0f0;font-size:.95em;line-height:1.6;} .pro-tip strong{color:#c8a400;} .upsell-box{background:#ffecd1;border-left:5px solid #ff9800;padding:14px 18px;margin:20px 0;border-radius:8px;} @keyframes pulse{50%{opacity:.85}} Genuine OEM Replacement Part LG Refrigerator Main Control Board EBR81182790 — Restore Full Refrigerator Operation Part# EBR81182790 Fits LG Main PCB Assembly LG Refrigerator Not Cooling or Compressor Not Running? Main Control Board EBR81182790 – Restore Full Operation Fast A failed main control board is one of the most common causes of an LG refrigerator that stops cooling, has a compressor that won’t run, displays error codes, or loses all function despite having power. In LG refrigerators, the main PCB assembly is the central control unit that manages the compressor, fans, defrost cycle, temperature sensors, and display. When it fails, the refrigerator may stop cooling entirely, run continuously without reaching temperature, display fault codes, or appear completely dead. ⚡ Common failure point in LG refrigerators — especially after power surges or compressor-related events. Part EBR81182790 is the genuine OEM main PCB assembly that restores full refrigerator control and operation. ❓ Is This the Right Part? This is the correct fix if ALL of the following are true: ✔ The refrigerator has power — the display or interior light works ✔ The compressor, fans, or defrost system are confirmed not receiving correct signals ✔ Error codes point to a control board or communication fault ✔ ONLY problem is loss of cooling, compressor not starting, or full system failure with power present Not sure? Send us your model number — we’ll confirm before you order. 🔧 Common Symptoms Refrigerator has power but is not cooling at all Compressor does not start or run despite correct temperature settings Display shows error codes or is completely blank Fans do not run or run continuously without cycling Defrost cycle fails, causing ice buildup in the freezer section Refrigerator worked normally, then stopped after a power surge or outage ✔ If these symptoms match, this is the most likely failed component in the system. ✔ In most cases, replacing this main control board restores full refrigerator operation immediately. 📦 Part Details Part Number: EBR81182790 Type: Refrigerator Main PCB Control Board Assembly — OEM LG replacement Brands: LG ⚠️ Recommended While Repairing:Before replacing the main board, confirm the compressor start relay is not the root cause — a failed start relay mimics a dead compressor and is a $15–30 fix vs. a full board replacement. Also check the thermistor/temperature sensors for open circuits, as a failed sensor can cause the board to shut down cooling as a safety measure. Replacing the board without ruling out these components risks installing a new board into a system with an underlying fault. ⚙️ Installation Skill Level: Advanced — 45–60 minutes. Disconnect power before servicing. The main PCB is typically located in the rear of the refrigerator or behind the control panel. Photograph all wire harness connections before disconnecting, remove the board mounting hardware, swap the new EBR81182790 board in, reconnect all harnesses, and restore power. Allow the refrigerator 24 hours to reach operating temperature before evaluating performance. ✓ Compatible Models Confirm compatibility with your LG refrigerator model number before ordering — PCB assemblies are model-specific and must match exactly. Contact us to verify your model number before ordering. 💡 Pro Tip Rule Out the Start Relay Before Ordering the Board:The compressor start relay is a small plug-in component on the side of the compressor — it costs $15–30 and is the most common reason an LG refrigerator stops cooling. Shake it: if it rattles, it’s failed. Replacing the relay takes 5 minutes and no tools. If the relay is good and the compressor still won’t run, then the main board is the correct next step. Skipping this check is the most common reason customers replace a $380 board when a $20 relay was the actual problem. ✓ Model-Specific Repair Pages Frigidaire REFRIGERATOR Oven Parts & Repair Guide
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