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City of St.Albert

How to Avoid False Alarms

Repeated false alarms work against the homeowner and police, by consuming resources and desensitizing watchful neighbours. False alarms are more than an inconvenience; they consume the time and energy of emergency personnel who may be needed to respond to a real emergency.

The most common causes of false alarms:

  • Incorrect key codes. 
  • Running into the house "just for a second" without disarming the system. 
  • Moving curtains, banners or pets that move into the "sight" of the motion detector.

Tips to Prevent False Alarms

  • Check for drafts that may cause curtains, plants or decorations to set off motion detectors.
  • When you leave, be sure that all doors and windows are closed tightly and securely. Loose fitting doors or windows may set off contact sensors. Also, ensure that all authorized users are aware which doors are set for delay and which are not. A simple misunderstanding of this basic system operation causes many false alarms.
  • Be sure everyone in the family or at the business knows how to properly operate the security system.
  • Keep your owner's manual in an accessible place for reference.
  • Motion detectors require additional care to prevent false alarms. Ensure pets are not allowed to roam freely through the area that is covered by the motion detector. Do not keep balloons in an area covered by motion detectors. 
  • Ensure motion detectors are free from insects.
  • Spiders or small insects gaining access to the inside of a motion detector may set off an alarm. (Look for and eliminate spider webs near your motion detectors.) Access holes in motion detectors should be sealed by your installer.

Last edited: June 25, 2014

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