Samsung TV & Audio QN55LS03BAFXZA 55" Class The Frame QLED 4K Smart TV ARC NO AUDIO Error Fix: ARC/eARC No Audio to Soundbar

Error code ARC NO AUDIO on the Samsung TV & Audio QN55LS03BAFXZA 55" Class The Frame QLED 4K Smart TV means: ARC/eARC No Audio to Soundbar. TV connected to soundbar or AVR via HDMI ARC/eARC but no audio output. Connect HDMI cable to the ARC-labeled port on both devices. Enable Anynet+: Settings → General → External Device Manager → Anynet+ (HDMI-CEC) → On. Set audio output: Settings → Sound → Sound Output → select "Receiver (HDMI)" or the soundbar name. For eARC, use Ultra High Speed HDMI cable. Set audio format: Settings → Sound → Expert Settings → Digital Output Audio Format → "Pass-through" for Dolby Atmos/DTS:X or "PCM" for stereo. Power cycle both devices: unplug soundbar 30 seconds, then TV 30 seconds, plug in soundbar first.

The most successful fix is "Replace HDMI ARC/eARC Cable and Inspect HDMI Ports" (medium difficulty, ~30 minutes). Estimated DIY cost: $20-$30. HomeMD has 2 community-ranked fixes for this error.

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Yes — the top-ranked community fix ("Replace HDMI ARC/eARC Cable and Inspect HDMI Ports") is rated medium difficulty and takes about 30 minutes. Tools needed: Flashlight, Compressed air canister.

DIY cost: $20-$30. Professional repair typically costs $130-$200. Many homeowners save money by trying the top-ranked community fix first.

The Samsung TV & Audio QN55LS03BAFXZA 55" Class The Frame 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 ARC NO AUDIO also appears on 7 other Samsung TV & Audio models: HW-B650 3.0 Channel 330 Watt Soundbar with DTS Virtual:X and Bluetooth, HW-Q990C 11.1.4 Channel 546 Watt Soundbar with Dolby Atmos, DTS:X, and Wireless Subwoofer, HW-S800B Ultra Slim 3.0 Channel 360 Watt Soundbar with Dolby Atmos and Bluetooth, QN65Q80CAFXZA 65" Class Q80C QLED 4K Smart TV, QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV, QN65S90CAFXZA 65" Class S90C OLED 4K Smart TV, and 1 more. The fix may vary by model, so check each model's specific page for tailored repair steps.