ADT® Authorized Dealer Serving Sioux City & Surrounding Areas
Mother and child in front of a window with an ADT contact sensor
August 05, 2026

Tips For Troubleshooting Your Home Alarm System In Sioux City

System glitches and false alarms can be exasperating, and even worse, may prevent your home’s security from working the way it should. Thankfully, most problems, from false alarms to dead batteries, are straightforward to remedy. Explore our tips for troubleshooting your home alarm system in Sioux City. We’ll help keep your household protected and your system operating as it should.

Test Your Home Security System In Sioux City

One of the best ways to troubleshoot your property’s defense is to test it! Newer systems permit you to put them in test mode to avoid triggering an emergency call. After switching to test mode, follow these steps:

  • Turn on your system as you would when you leave.
  • Open a door or window that has a contact sensor, or test other equipment. Shut the window or door once you’re done so it doesn’t prompt the alarm when you get out of test mode.
  • Allow the alarm to sound for 60 seconds to make sure a transmission is dispatched to the security provider and an entry is created in the alarm activity log.
  • Proceed to test equipment as needed
  • Review the system activity log to confirm proper function.

Rest assured, monitoring professionals will be aware that your system is undergoing a test. Be sure to switch out of test mode when you’re done. It’s smart to test every other month or anytime you change your home’s phone or internet service.

Evaluate The Placement And State Of Motion Detectors

Although an crucial aspect of your alarm system, motion sensors are well known for false alarms. Prevent them with some easy troubleshooting.

  • Do a visual check. Is there anything that could move within the detection path of the sensor, like a curtain caught in a breeze?
  • Is the sensor dirty? Cobwebs, dirt, and grime can result in poor performance. Ensure the device is clean.
  • Does the motion detector have pet immunity you can activate? Some models can be set to disregard pets weighing up to 100 pounds.
  • When was the battery last replaced? Low batteries might impact performance or result in false alarms.
  • Is the sensor facing a source of heat? Excess heat from sunlight or a fireplace can set off an alarm.

Keep Batteries On Hand And Watch Out For Low Battery Notifications

One of the great aspects of modern home security systems is that they’ll alert you when batteries are dying. If your system has a control panel or mobile app, you’ll typically discover alerts there. Depending on your system, you might hear an intermittent beep when batteries are low. 

Contact sensors, smoke detectors, motion sensors, and other wireless devices have batteries that need to be replaced every year or two. It’s wise to keep batteries ready and create a replacement schedule. Top systems also include a rechargeable backup battery for the main control panel. This backup keeps your system operating if you lose power and should recharge itself once power is restored. If it fails to recharge, you should replace it.

Troubleshooting Is Simple With ADT Home Security In Sioux City 

As the foremost name in home security, ADT builds systems that offer unsurpassed functionality and convenience. Getting into test mode is simple through MyADT.com or the ADT+ app, and you’ll always be sent updates when a sensor battery is nearing depletion. Get in touch with Secure24 Alarm Systems, an authorized ADT dealer, to learn more and design a system ideal for your Sioux City home. Dial (712) 796-2024 or complete our form today!

Start the Home Security Quote Quiz to Receive Personalized ADT Equipment Recommendations