2 DIY Tips For Repairing Your Home Alarms


The common part of an alarm system that may fail is the sensor or battery. These DIY tips to easy home alarm repairs will help you whenever your alarm system has a minor failure. The bog-standard tools you will need for home alarm repairs in Campbelltown include; screwdrivers, multimeter and razor blade.

Home alarm sensor repair

First, you should test the wired system sensor to determine how good it still is. Disconnect one wire and activate the sensor. Then set the multimeter on resistance times 1 (R×1) scale, touch the sensor's terminal screws with the probe and then note the reading. Deactivate the sensor and re-run the test again.
If the sensor is perfectly okay, one of the readings will be zero, while the other infinity. However, if both readings are infinity or zero, replace the sensor.

Home alarm battery repair

A home alarm system battery supplies the backup power needed to operate the system when there's a power outage. After 4-5 years of use, a home alarm system will lose about 20% or more of its original capacity, and so may require a change. The first sign of a home alarm battery issue is a beeping (or chirping) sound which usually occurs at a particular time every day or night. Another sign could also be false alarms at various random times.
Battery changes require no tools, except the key used in opening the home alarm panel box. However, if you want to test the alarm system battery first before replacing it, you will need a multimeter and a screwdriver to measure its voltage.

How to replace the battery

Lay the battery on the side and unplug the low voltage transformer by disconnecting one wire on the circuit board. There are 2 screws marked "XFMR", "Trans(former)" or "AC" on one end of the circuit board. Loosen one of them and pull the wire till it's free.
Reconnect the transformer to allow the system to run after taking out the battery. Disconnect the connectors from the terminals (battery) by pulling them off. Take the battery to a good home alarm store in Campbelltown and make sure to buy the same size as the old one, with same rated voltage. Install the new battery by matching the positive and negative terminals correctly, and use your multimeter to check the voltage of the battery. A good battery will drop slowly for a few minutes and level off, staying above 12 volts.

If you are using a monitored alarm system, make sure to check with the company first before carrying out home alarm repairs. Also, if your home alarm system is bloody old, you should think of replacing it instead.

Location: Sydney NSW, Australia

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