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The Daily Insight

How do you test to see if a motion detector is working correctly?

Author

David Ramirez

Published Feb 14, 2026

How do you test to see if a motion detector is working correctly?

Go to your motion sensor and push the TEST button on the right side of the device, holding it down for at least two seconds to activate the test mode. The front of the motion sensor will light up red to indicate it is in test mode. The panel will beep and indicate that the motion sensor has been triggered.

What causes a false alarm on a window sensor?

If your door or window sensor is causing false alarms, the door or window may not be securely closed or the sensor may be damaged. Swelling or contracting of the door or window due to changing weather may also result in false alarms.

What causes a motion detector to set off a false alarm?

Some common events that may cause a motion detector to set off a false alarm include balloons or other decorations, roaming pets, household pests, such as bugs and rodents or cobwebs, curtains, and blinds moving around when a central heat or air system is initiated. 13. How does a glass break detector work?

How do I replace or fix my sensors?

If you want to replace a sensor, call the residential service number on our Contact ADT page. An ADT representative will be happy to assist you.

What kind of sensors does Honeywell Ademco use?

Honeywell Ademco’s motion sensors offer passive infrared functionality, as well as certain models that offer dual-technology detection with microwave detection and passive infrared in one device. They also have pet sensitive devices and detectors that watch for motion in a 360 degree radius as they are installed on the ceiling.

Some common events that may cause a motion detector to set off a false alarm include balloons or other decorations, roaming pets, household pests, such as bugs and rodents or cobwebs, curtains, and blinds moving around when a central heat or air system is initiated. 13. How does a glass break detector work?

Why is my tamper not working on my Honeywell system?

On rare occasions, a wireless device may have a malfunctioning tamper switch. This is usually caused by the cover tamper not fitting on the transmitter quite right. To test the device and verify that the tamper is working correctly, follow these steps: 1. Remove the cover. If the cover is still on the device, remove it.

How does a sensor work on a Honeywell system?

Wireless sensors send a check-in signal to the panel on a regular basis, and if the panel doesn’t hear a sensor for a specified period of time, it shows that sensor as being in supervision trouble.