A door and window contact requires 1 cr123 3 volt battery in some systems the door and window contact will be a very slim device and will contain a single cr2032 battery.
Simon xt garage door sensor battery.
Door window sensor lamp module appliance module garage door module remote handheld touchpad motion sensor keychain touchpad smoke sensor 8988g21d dsf 1 3 5 9 13 11 7 15 a c e i m k g o 1 3 5 9 13 11 7 15 a c e i m k g o 7 4 1 89 5 2 6 3 off emergency p s on re s hol hs dbt oeky disarm system status doors windows arm arm sensors motion.
Troubleshooting low system battery is very straightforward.
Pull sensor away from backplate then insert screwdriver into side slots to remove cover.
I should add that the failure on the simon xt in the garage happens on sensors that are in the house.
You should see your system status button lit and frequent status beeps.
The sensor for the garage door is even further away however and it does not fail however.
Vice versa the simon xt in the house tells me that the sensor in the garage is failing.
Step by step guide on how to replace a battery in a wireless door window sensor.
Is your simon xt beeping to indicate system low battery this condition occurs if the emergency backup battery has failed or if the system was powered up in the wrong sequence.
I have a simon xt and i have configured 2 ge wireless garage door sensor for it.
Press end button to remove cover and replace 2 aaa alkaline batteries press end latch to remove cover battery is either cr123a or saft ls14250 lithium battery 1.
This battery can often be purchased at your local hardware mass retailer or battery store.
Simon xt 3 1 1 saw package without x10.
Control battery class ii transformer phone cord rj31x jack video 3 saw door window sensors 1 saw pet immune pir motion sensor and 1 4 button saw keychain touchpad.