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SmartThings motion not detected

Quick answer

Ensure the motion sensor is within range of your SmartThings hub.
Check that the sensor's batteries are charged or replaced.
Confirm that the sensor is not obstructed by furniture or walls.
Restart the SmartThings app and your hub.

Symptoms

Motion alerts are not received when motion occurs.
The SmartThings app shows the sensor as offline.
The sensor LED indicator does not light up when motion is detected.
Automations linked to the motion sensor are not triggering.

Quick checks

Battery Status: Check if the motion sensor batteries need replacing.
Distance: Ensure the sensor is within the recommended distance from the hub.
Obstructions: Look for any objects blocking the sensor's view.
App Status: Verify that the SmartThings app is up to date.

Step-by-step fix

Check Battery:
- Remove the sensor from its mount.
- Replace old batteries with new ones.
- Reattach the sensor and wait for it to power on.
Verify Connection:
- Open the SmartThings app.
- Navigate to the "Devices" section and find your motion sensor.
- Check if it shows as online. If not, try to reconnect it.
Adjust Sensor Placement:
- Ensure the sensor is mounted at the recommended height (usually 6-8 feet).
- Clear any obstructions in front of the sensor.
Restart Devices:
- Restart the SmartThings app on your smartphone.
- Power cycle your SmartThings hub by unplugging it for 10 seconds and plugging it back in.
Test Sensor:
- Walk in front of the sensor to see if it detects motion.
- Check the app for any alerts or notifications.

If it still doesn't work

Reset the Sensor: Refer to the manufacturer's instructions to reset the motion sensor to factory settings.
Re-add the Sensor: Remove the sensor from the SmartThings app and add it back.
Contact Support: If issues persist, reach out to SmartThings customer support for further assistance.

FAQ

Q: Why is my motion sensor not detecting movement?
A: It could be due to low battery, obstructions, or connectivity issues with the SmartThings hub.

Q: How can I tell if my motion sensor is working?
A: Check the LED indicator on the sensor; it should light up when motion is detected.

Q: What should I do if my motion sensor keeps going offline?
A: Ensure it's within range of the hub and check for any interference from other devices.

Q: Can I use multiple motion sensors with SmartThings?
A: Yes, you can add multiple sensors to your SmartThings setup for enhanced coverage.

Q: How do I reset my SmartThings motion sensor?
A: Follow the specific reset instructions provided in the user manual for your motion sensor model.

For additional SmartThings sensors, you can View on Amazon (paid link).