Why is my Eufy SoloCam S40 not recording at night?

Common causes include software issues, connectivity problems, and settings misconfigurations. Follow our guide to fix your Eufy SoloCam S40.

How do I fix Eufy SoloCam S40 not recording at night?

Start by restarting your device, checking connections, and updating firmware. Our step-by-step guide provides detailed instructions.

When should I call support for my Eufy SoloCam S40?

If troubleshooting doesn't resolve the issue, or you encounter persistent errors, contact a certified Eufy technician.

Eufy SoloCam S40 Not Recording at Night

If your Eufy SoloCam S40 not recording at night, you're not alone—this is one of the most common issues reported by owners of this solar-powered security camera. Night recording failures typically stem from power settings, motion detection sensitivity, infrared (IR) configuration, or storage limitations. The good news is that most causes can be diagnosed and fixed without replacing the device. This guide walks you through proven troubleshooting steps to restore reliable nighttime surveillance on your SoloCam S40.

Common Causes of Night Recording Failures

The Eufy SoloCam S40 relies on a built-in battery and solar panel for power, which makes energy management critical. At night, without solar charging, the camera may enter aggressive power-saving modes. Additionally, the camera's starlight sensor and IR LEDs need proper configuration to detect and record motion in low-light conditions. Understanding these dependencies helps you target the right fix when your Eufy SoloCam S40 not recording at night.

Step-by-Step Troubleshooting

Check Battery Level and Solar Panel Exposure: Open the Eufy Security app and verify your camera's battery percentage. If it's below 20%, the camera may disable night recording to preserve power. Ensure the solar panel receives 4-6 hours of direct sunlight daily. Clean any debris, snow, or bird droppings blocking the panel. Reposition the panel if nearby trees or structures create afternoon shade.

Verify Night Vision Mode Is Enabled: In the Eufy Security app, select your SoloCam S40, tap the gear icon for Settings, then choose Night Vision. Confirm it's set to Auto or On—not Off. The Auto setting activates IR LEDs when ambient light drops below the threshold. If set to Off, the camera cannot record clear footage in darkness, though it may still capture audio or trigger without usable video.

Adjust Motion Detection Sensitivity: Navigate to Motion Detection in your camera settings. Nighttime sensitivity often needs to be 20-30% higher than daytime settings because cooler temperatures reduce thermal contrast. Increase the sensitivity level incrementally and test by walking in front of the camera after dark. Avoid setting it to maximum, which causes false alerts from insects, rain, or moving shadows.

Configure Activity Zones and Avoid Obstructions: Define specific Activity Zones covering critical areas like walkways, driveways, or entry points. The SoloCam S40 prioritizes motion within these zones and may ignore movement outside them. At night, IR illumination has limited range—typically 25-33 feet. Remove spider webs, overgrown vegetation, or reflective surfaces near the lens that can absorb or scatter IR light and confuse the sensor.

Review Power Manager and Recording Duration Settings: Access Power Manager in the app and check if Battery Optimization or Surveillance Mode is restricting nighttime activity. Set Recording Duration to at least 10-20 seconds per event—shorter clips may appear as missed recordings. For consistently low battery, switch from Optimal Battery Life to Optimal Surveillance mode, understanding this increases charging demands on your solar panel.

Test Local Storage and Cloud Backup: Confirm your microSD card (if installed) has available space and is properly seated. In Device Storage settings, check for corruption warnings. For Eufy Cloud subscribers, verify your subscription is active and the camera is assigned to the plan. A full or failing storage system can silently stop recordings without triggering error notifications in the main dashboard.

Important: Do not perform a factory reset during nighttime hours or when battery is below 40%. The reset process requires stable power to complete firmware restoration, and interruption can leave your camera unresponsive. Always reset during peak sunlight hours with the solar panel connected.

Advanced Fixes for Persistent Issues

If basic troubleshooting doesn't resolve your Eufy SoloCam S40 not recording at night, consider these deeper solutions. First, update the camera firmware through Device Info → Check for Firmware Update in the Eufy app—night vision algorithms improve with newer releases. Second, temporarily relocate the camera to a covered porch with consistent Wi-Fi signal to isolate whether the issue is environmental (weak signal causes delayed or dropped recordings). Third, test with a different, known-good microSD card to eliminate storage hardware failure. Finally, if IR reflection from nearby walls or soffits is washing out the image, install the included wedge mount to angle the camera downward 15 degrees, improving IR distribution across the detection area.

Frequently Asked Questions

Why does my SoloCam S40 record fine during the day but stop at night?

Daytime recording uses less power because the starlight sensor and color processing require minimal IR assistance. At night, the camera must power IR LEDs and amplify sensor gain, which draws significantly more battery. If your solar panel isn't keeping pace with daily drain, the camera conserves energy by disabling non-essential night functions.

Can I use the SoloCam S40 with continuous recording at night?

No—the SoloCam S40 does not support 24/7 continuous recording due to its battery-powered design. It uses event-based recording triggered by motion or sound. For continuous night recording, you would need a wired Eufy camera model with constant power supply and local Network Video Recorder (NVR) storage.

How do I know if my IR LEDs are actually working?

IR light is invisible to the naked eye, but you can verify functionality using your smartphone camera. Open your phone's camera app, point it at the SoloCam S40 lens in complete darkness, and look for a faint purple or white glow on your phone screen—this indicates active IR emission. No glow suggests a hardware failure requiring replacement under warranty.

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