What are the common causes of false alarms
What are the common causes of false alarms?
- Failing or failed back-up battery - often revealed during a power cut.
- Weathered external sounder, component or connection failure caused by humidity and temperature extremes.
- Entry route violation by the customer or entering by the wrong door.
- Worn/damaged cable ran under the floor covering
- Spiders webs in front of a movement detector
- Small spiders inside a movement detector
- Obstructed movement detectors
- Drafts across movement detectors
- Corrosion caused by dampness in contacts on external doors or windows
- Poorly aligned door contacts
- Poorly positioned movement detector
- Panic buttons being knocked
- Loose connection or fuse holder in the control panel
- Overheating components in the control panel or power supply unit
- Electrical interference on cabling
- Radio interference on wireless systems
- Alterations to the fabric of the building blocking radio signals
