What does the negative side of an alarm panel mean?

The negative side is a shared common terminal with the adjacent zone, and is often electrically the same as the panel “ground” and battery negative connection. Some home security systems use “end-of-line” resistors, or EOLR’s for zone supervision.

What to do if your alarm panel has a misaligned switch?

If you do find a misaligned or widely spaced magnet and switch, remove the magnet and re-mount it in the proper position. (For help doing this, check out “Installing Recessed Switches” and “Installing Surface-Mount Switches”) Damage often occurs when a door or window is slammed hard, causing the magnet to hit the contact or wiring.

What to do if you have a false alarm on your alarm system?

If the system is monitored, you can also check with the alarm monitoring company central station to learn the zone number and description of the zone that caused any false alarms. It’s also a good idea to have the central station put that zone in “test” mode for at least a couple of weeks, to give you time to track down and repair the problem.

What should I do if my central station alarm is not working?

It’s also a good idea to have the central station put that zone in “test” mode for at least a couple of weeks, to give you time to track down and repair the problem. Once you’ve identified the problem zone, start troubleshooting by activating the alarm system’s “Chime” or “Watch Mode” function.

How often does the power failure alarm come back on?

A selectable “snooze alarm” feature will cause the alarm to come back every 30 minutes until power is restored. Will alarm for 72 hours straight with the supplied Lithium battery.

Is there a plug detection power failure alarm?

The only power failure device with plug detection; if your plug becomes unplugged from the power fail alarm itself, this is detected electrically and the alarm sounds. Simple installation, just pop in the (included) long-life lithium battery.

What to do if your car alarm won’t shut down?

Because the car is being unlocked by the appropriate key, it may send a signal to the alarm that it can shut down. While the passenger side door may work, it is more likely it will work on the driver’s side. If the door is already locked, simply unlock it. If the alarm doesn’t stop, try locking it an unlocking it again.

How long does a low battery alarm last?

Extremely low power consumption allows the lithium battery to last up to 10 years. After that time, if battery power is low due to excessive alarming time, a low-battery warning alarm sounds for many weeks. Selectable modes so it can detect millisecond blips, (useful for computer equipment) or only report power outages longer than 10 seconds.