To replace a dead door sensor battery, you first need to unplug it Then, you will need to remove the circuitboard Then, you can change the battery with a CR2 one You should dispose off the old battery safely You can purchase a replacement CR2 battery online from Amazon or another affiliate link A screwdriver is required to install the new sensor Using an anti-clockwise direction, unscrew the screw that holds the sensor in place The sensor should come out easily Be  https//gianphoihoaphatgroupcom/  not to touch other wires while you are doing this After you are done, slide back the circuit board and make sure that no wires are exposed
 
 It is easy to change the battery of a Vivint door sensor Most of these sensors are powered by rechargeable batteries that usually last a week or two If you have a lot of activity around the sensor, the battery can run out more quickly You can call an electrician if you are unable to change the battery yourself Most electricians are familiar and competent in handling this type of security device
 
 Before you attempt to replace the Vivint sensor's battery, it is important that you first remove the original battery To remove any glue remaining, you can use a pair if needle-nose scissors To remove the old batteries, use either a Phillips-head screwdriver or a flathead screwdriver
 
 There are many reasons why a Vivint motion detector might stop working The battery could be defective or the contacts may be dirty If you find that the sensor is working properly, you can adjust it and reinstall it Contact Vivint customer support if the problem persists They will be able to provide additional assistance to solve the problem If the problem persists, you may need to call the manufacturer or Vivint customer service
 
 It is easy and simple to replace a Vivint sensor battery Locate and remove the battery compartment from the security sensor's back Remove the cover from the motion detector and place the new battery Place the positive end of your battery in the right place Screw the cover back in place
 
 After removing the outer cover, the CR2 battery which powers the sensor must be replaced This battery can usually be purchased at hardware stores or electronics shops To remove the existing battery and to place the new one you will need a small flathead screwdriver
 
 It is best if you have any questions about how to change a Vivint door sensor batteries This will make the process much easier and protect your contract