Samsung TV & Audio QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV ERROR 012 Error Fix: Network Connection Timeout

Error code ERROR 012 on the Samsung TV & Audio QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV means: Network Connection Timeout. The TV network request timed out — "Unable to connect to the server." The TV has a network connection but cannot reach Samsung servers or the internet. Check internet speed — Samsung recommends minimum 25 Mbps for 4K streaming. Run a network test: Settings → General → Network → Network Status. If IP is assigned but DNS fails, change DNS server: Settings → General → Network → Network Status → IP Settings → DNS Setting → Enter Manually → enter 8.8.8.8 (Google DNS) or 1.1.1.1 (Cloudflare). Power cycle the router and TV. If using Wi-Fi, try a wired Ethernet connection.

The most successful fix is "Replace Router or Use Wired Ethernet Connection" (medium difficulty, ~45 minutes). Estimated DIY cost: $0-$50. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Router or Use Wired Ethernet Connection") is rated medium difficulty and takes about 45 minutes. Tools needed: Ethernet cable, Computer or smartphone for router setup.

DIY cost: $0-$50. Professional repair typically costs $100-$150. Many homeowners save money by trying the top-ranked community fix first.

The Samsung TV & Audio QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV has 8 other known error codes, including: 2 BLINKS (Power Supply Board Fault), 5 BLINKS (LED Backlight / Driver Protection Shutdown), 6 BLINKS (Main Board / T-CON Communication Failure), ANYNET FAIL (Anynet+ (HDMI-CEC) Not Working), APP CRASH (App Freezes or Crashes), and 3 more.

Error code ERROR 012 also appears on 4 other Samsung TV & Audio models: QN55LS03BAFXZA 55" Class The Frame QLED 4K Smart TV, QN65Q80CAFXZA 65" Class Q80C QLED 4K Smart TV, QN65S90CAFXZA 65" Class S90C OLED 4K Smart TV, UN55CU8000FXZA 55" Class CU8000 Crystal UHD 4K Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.