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Door/Window Sensor Not Triggering

Written by Naomi Ramirez

Updated at August 4th, 2025

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Table of Contents

Quick Troubleshooting Checklist

If your sensor isn’t triggering as expected, don’t worry — a few quick checks usually solve the issue. Follow these simple steps to get your system back on track:

Quick Troubleshooting Checklist

  1. Test the Sensor
    Run a sensor test to confirm it's properly connected to your panel.

Tip: If the sensor hasn't been added (or "learned") into the panel yet, it won’t respond when opened or closed.

  1. Move the Panel Closer
    Try placing your panel temporarily closer to the sensor to reduce signal issues.
  2. Replace the Battery
    Swap out the battery with a fresh CR2032. A weak battery can cause unreliable performance.
  3. Check Sensor Placement
    • Ensure the sensor is installed indoors — away from weather, moisture, or extreme temperatures.
    • Confirm the sensor and magnet are within 1 inch of each other when the door or window is closed
  4. Check for Bypassing
    Make sure the sensor isn’t being automatically bypassed when arming the system.

You can review this in your panel’s history.

If you’ve gone through all the steps and the issue continues, our support team is ready to help anytime. Let’s keep your home secure!

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Home Security
  • Home Security
  • Alarm Panel and Hub
  • Door Sensor
  • Window Sensor
  • Motion Detector
  • Glass Break Detector
  • Key Fob
  • Panic Button
  • Secondary Siren
Environmental Detectors
  • Environmental Detectors
  • Smoke Detector
  • Carbon Monoxide
  • Water Leak Detector
Cameras
  • Cameras
  • Eufy Indoor Camera
  • Eufy Outdoor Camera
  • Eufy Doorbell Camera
Services
  • Services
  • Cove Connect App
  • Professional Monitoring
  • RapidSOS
  • Professional Installation
Company
  • About Us
  • Reviews
  • Press Center
Help
  • Help Center
  • Contact Us
  • Resources
  • Articles
  • 855.268.3669
Exclusive Pricing
  • Military
  • Medical Personnel
  • Teachers
  • Government Employees
Get Cove Deals
LegalPrivacyState Licenses

© 2024 Cove Smart, LLC All rights reserved. 14015 Minuteman Drive, Draper, UT 84020

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