Why does my Rex motion detector go off when I open the door?
Often, the time delay settings on REX motion detectors are set for too long a period. This allows the door to be closed and then reopened again before the detector has had a chance to reset. This causes a DFO alarm to occur when the door is opened the second time.
What causes a motion detector to set off a false alarm?
The following are some common causes of false DFO alarms: REX motion detectors need to detect people just as they are ready to open the door. Too often, REX motion detectors are placed where they detect people approaching the door rather than at the door itself.
Is the door alarm monitoring feature working correctly?
When working correctly, the door monitoring feature greatly improves security and provides assurance that all doors are being used as intended. Unfortunately, the door alarm monitoring feature is a major source of of grief at many facilities. The problem: false DFO alarms.
Why does my door chime go off every time I open the door?
Keyless ignition and the chime kept going while driver’s door was open and instrument panel said to turn off the motor. It already was off, of course. I read the answers here and elsewhere to the problem. It seems when my wife took it to the car wash, they somehow switched the headlights from automatic to on.
How do I Turn on the door chime on my DSC?
Click Here to Download a User Manual for Your System! Press and Hold the Chime button for two seconds . When complete the Keypad will Beep. Press * and then 4 . When complete the keypad will beep.
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Expert Freezer high temp alarm starts beeping every 8 hours even Freezer high temp alarm starts beeping every 8 hours even though freezer is freezing. I want to turn it off permanently.
Keyless ignition and the chime kept going while driver’s door was open and instrument panel said to turn off the motor. It already was off, of course. I read the answers here and elsewhere to the problem. It seems when my wife took it to the car wash, they somehow switched the headlights from automatic to on.
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