How to Fix Eufy S330 Red Light? (Easy Solutions to Try!)

The Eufy S330 red light could indicate several different states of the EufyCam S330 camera, and this guide breaks down each of the indicators. 

Whether the red light is on due to low power, an ongoing live stream, or a firmware update, understanding each of the red indications is essential for eliminating the problem efficiently!

7 Effective Solutions for the Eufy S330 Red Light!

For clarification, the Eufy Series 3 S330 could have several states of a red light:

LED Indicator Status	Meaning:
Flashing Red	A flashing red light could indicate two things: The “SYNC” button is pressed The eufy S330 is low on power
Solid Red	A solid red light also has two meanings: The camera is live streaming The camera is recording a video Note: The solid red light is not considered an “issue” with the eufy S330 camera.
Flashing Red/Blue	An indicator light that changes from flashing red to flashing blue indicates that the camera is upgrading the firmware version.

After deciding and making sure which one of the following red light statuses your S330 exhibits, you will have a better idea of what could cause the issue and how to troubleshoot.

Now, let’s proceed with the solutions!

1. Check if the Camera is Recording/Streaming (Solid Red)

A solid red light on your eufy S330 camera often indicates that the unit is currently recording or streaming to the eufy app.

However, this is not necessarily considered a problem, as the eufy S330 is designed to record motion and live stream consistently to your eufy mobile application.

Here’s how to check for activity within the eufy application:

• Open the eufy app and tap your S330 camera.
• Tap the live feed to see if the eufy is streaming.
• Search the event history for recent recordings.

If the app shows no live stream or recent recordings are currently being made, despite the solid red light on the indicator, your camera might have run into a temporary functionality error.

Hence, proceed with the next step to learn how to perform a power cycle on the eufy S330…

2. Recharge the eufyCam 3 S330 to Max Battery (All Red Lights)

To address the red light on your eufyCam 3 S330, you must first make sure that the battery is charged to a sufficient capacity.

So, recharging the battery using one of the available methods ensures the reliable eufy camera performance and eliminates the red light almost immediately. 

2.1 How to Charge via HomeBase 3 with USB Type-C:

Connect your eufyCam 3 S330 to the HomeBase 3 using the provided USB Type-C cable, and allow it to charge until the battery reaches maximum capacity (~8–9 hours from 0% to 100%).

Note that you can keep track of the charging level of the camera via the eufy mobile application.

2.2 How to Charge via a 5V/2A Power Adapter:

Use a compatible 5V/2A power adapter with the USB Type-C cable to directly charge the eufyCam S330 by plugging it into an electrical wall outlet.

This method is useful when the HomeBase is not accessible or there is a USB Type-C port is available.

After charging, check the eufy app to confirm the battery is at 100% and test the camera by triggering a motion event.

2.3 How to Diagnose eufy S330 Charging Issues:

Perhaps, your eufy S330 could be failing to receive a charge, due to one of the following issues:

• A fault with the USB Type-C power adapter.
• An insufficient power source/electrical outlet.
• An obstruction of the USB Type-C eufy port.

So, we recommend testing with a replacement USB Type-C adapter first, charging the camera in a different outlet, and cleaning the charging port out of dust or debris. 

3. Resynchronize the eufy S330 with the App  (Flashing Red Light)

If your eufy S330 displays a flashing red light, it often means that there has been an issue with the synchronization.

Removing and re-adding the camera to the HomeBase 3 can resolve underlying connectivity issues and ensure the camera integrates properly with your system.

Note: Make sure the eufy HomeBase 3 is set up and online in the app before synchronizing.

Step #1: Remove the eufy S330 from the App

• Open the eufy app and press your S330 device.
• Next, navigate to the Device Settings section.
• Tap “Remove Device” to delete it from the app.

Step #2: Re-Add the eufy S330 to the App

• First, access the eufy application and press the “+” icon.
• Select Add Device, then pick eufyCam 3/eufyCam 3C.
• Choose HomeBase 3 as the base station in the settings.
• Hold the SYNC button on the S330 camera until it beeps.
• Now, tap Next and wait for detection by eufy HomeBase 3.

All settings of the eufy camera in the application will be erased after the removal.

Additionally, do not forget to keep the camera within 10 feet of the HomeBase during the setup. 

4. Temporarily Disable the S330 Motion Detection (Solid Red)

An effective approach to determine whether the eufy camera S330 red light is caused by a continuous recording or motion event, ZontSound suggests setting the motion feature to “Off”.

While disabled, the eufy S330 will neither pick up movement nor initiate recordings in the app.

Here’s how to set the motion detection for your S330 to “Off”:

• Launch the eufy application and press on your S330 camera.
• Tap the three dots in the bottom-right corner to access options.
• Navigate to Motion Detection and toggle the switch to disable.

Note: Trigger a test motion event to check if the red light is still there.

5. Re-activate the Camera OS Update (Red & Blue Flashing)

If the red light often changes to blue, it means that there is a firmware update underway.

You can re-activate the firmware update manually through the app in case it has crashed and caused the indicator to stay on for longer than 5 minutes.

So, here’s how to restart the firmware update of your eufy S330:

• Open the eufy app, tap on your camera from the device list.
• Navigate to Camera Settings → General → About Device.
• Tap Check for firmware update and follow the instructions.

After updating, check if the flashing red and blue light stops and the camera operates normally in the app.

Verify that the camera is at 100% battery before manually initiating the update through the eufy application.

Note: Your eufy S330 must be connected securely with the HomeBase to update!

6. Reinstall the eufy Mobile Application (Flashing & Solid Red)

Reinstalling the eufy mobile app can address many types of underlying issues with the S330, regardless of whether the indicator is flashing or solid red.

The installation steps below are for both Android and iOS devices to restore the proper functionality of the app and fix the red light.

6.1 How to Reinstall the eufy App on Android:

• Open the Google Play Store, search for the eufy app, and tap Uninstall.
• Search for the eufy app again and tap Install to download the latest OS.
• Open the app, sign in, and re-add your S330 camera to check the status.

6.2 How to Reinstall on the eufy App on iOS:

• Hold the app icon and press on “Remove this app” to start.
• Press the cloud icon on the eufy app page in the App Store.
• Launch the app, sign in, and reconnect your S330 camera.

Now, set up the motion detection settings and check if the indicator is still illuminated in red.

Try triggering several alternative events, and also check if new recordings are being made.

7. Factory Reset the eufyCam 3 S330 (All Red Lights)

The eufy S330 red light could also indicate a persistent issue with the power or the HomeBase connection, and a factory reset can eliminate all of these problems right away.

The procedure involves repeatedly pressing the SYNC button until the S330 detects the reset process.

Here’s how to factory reset the eufy S330:

• Locate the SYNC button on your eufy S330 camera.
• Hold the button for ~10 seconds to initiate the reset.
• Release and wait until the S330 camera powers off.
• Re-synchronize the camera with the application again.

Note: Connect the camera with the charger during the reset to avoid a loss of power. 

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