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A Quick Guide to Fix A Motion Sensor Light

Lowe's Editorial Team

By Lowe's Editorial Team
Published December 4, 2024

Motion sensor lights are a great way to add security to your home while saving energy. But what do you do if your motion sensor light stops working? We’ve put together some steps on how to reset a motion sensor light.

Reasons to Reset in a Motion Sensor Light

Motion sensor lights can stop operating for various reasons, including power issues, dust buildup, incorrect settings, software glitches, battery problems, or physical damage. Here is when resetting the light often resolves these issues.

Steps on How to Reset a Motion Sensor Light.

Follow the steps below to effectively reset your motion sensor light and get it back to working correctly.

Turn the Power Off

  • Make sure you follow safety instructions first before switching off the power to prevent any electrical shocks.
  • Also, check if the motion sensor light is disconnected from the electrical panel.

Tip

Wear rubber gloves and safety goggles to prevent debris or electrical sparks from contacting your eyes.

Access the Light

  • Use a step ladder to reach the motion sensor light if it is placed up high.
  • Carefully remove the light cover by unscrewing it or prying it open with the help of a screwdriver.

Caution

Use a sturdy, strong step ladder to avoid any accidents.

Find the Reset Button or Switch

  • Consult the manufacturer's guide to locate the reset button or switch.
  • The button is often marked and found inside the light fixture or the sensor box.

Perform the Reset

  • Press and hold the reset button for 10 - 15 seconds.
  • This allows the internal circuitry of the sensor light to reset completely.
  • Release the button and wait for the light to restart.

Replace the Light Cover

  • Replace the light cover or housing by fixing it securely in place with the help of screws.
  • This protects the internal components of the light, such as the timer circuit and lens from damage and dirt.

Restore the Power

  • After you are done reassembling the parts of the light.
  • Switch the power on to the motion sensor light at the electrical panel.

Test the Light

  • Once the reset is complete, test the light using a multimeter to measure electrical voltage, current, and resistance to check if it is receiving power and functioning correctly.
  • Walk or wave your hand near the sensor to check if it’s working.

Adjust the Settings

If the light is still not working correctly, check the sensitivity, delay and other settings. Refer to the user manual for specific instructions on how to adjust these settings.

Get Expert Guidance

If none of the above methods work, contact the manufacturer's customer support. They can provide specific guidance or arrange for repairs or replacements.

Conclusion

Resetting a motion sensor light is a simple process that can be completed in a few minutes. By following the steps outlined in this article, you should be able to reset your motion sensor light and get it working correctly again.

Frequently Asked Questions

How do I reset a motion sensor light?

To reset a motion sensor light, first ensure it's receiving power and that there are no obstructions blocking its sensor. If necessary, adjust the sensitivity settings. If these steps don't work, try a hard reset by disconnecting the power for a few minutes. If you still can't resolve the issue, consult the user manual or contact the manufacturer for further assistance.