Door/Window Sensor Not Responding? 2 Ways to Fix Ajax Without Replacement

Опубликовано 28 февраля 2026, 9:37

If your Ajax door sensor has stopped responding, and because of that the system will not arm, do not rush to buy a new one. In this video, I show two simple methods that can really help bring the sensor back to life and save you money.

First, we will go over a quick option that can help if you urgently need to leave the house and put the property under protection. Then I will show a more reliable solution that allows you to restore the normal operation of the sensor for a long time.

In the video, I will show why this problem happens in the first place, how to determine that the cause is specifically in the sensor, and what you can do yourself without complicated repairs. Everything is shown with a simple example, without unnecessary theory, only what can really be useful in a real situation.

If you have a smart home, a security system, or simply use door and window opening sensors, this kind of repair can be very useful. Sometimes just a few minutes and inexpensive parts are enough to avoid spending money on a complete device replacement.

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00:00 – 00:49 Introduction
00:49 – 01:41 Method 1 - Neodymium magnet
01:41 – 03:19 Method 2 - Replacing the reed switch
03:19 – 04:21 Conclusions

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#Ajax #SmartHome #Opening #Sensor #Alarm #Repair #DIY #ReedSwitch #Security #EvgenLubops