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u/AnnualPurple104 20d ago
Unplug it, and remove the backup battery inside the metal can where the main alarm panel is located. Alarm panel is like the motherboard for the system, once you unplug battery then unplug the power cord for it, it will stay off and not have to worry about it. If the key isn’t on top of the metal can, or already in key hole, then get a flat head screw driver, and right by the key area your going to use the flat head to pop it open. It’s not hard to do.
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u/chadfcker 20d ago
ADT panels can all be unplugged .. but go behind them take them off the wall and pulll out the battery and the power wire.
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u/Theresnowayoutahere 20d ago
Yes, disconnect the power and battery and it’s dead. Source: I owned an alarm company for 40 years
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u/realdlc 20d ago edited 20d ago
Depending on which panel you have it may also be impacted by the alarm.com outage going on right now!
But nevertheless, if you can cut the AC power going into your panel, AND remove the panel's backup battery, all should go silent. Which system do you have?
EDIT: however doing this while armed will likely cause the alarm to sound when you pull it off the wall (if it is a Command or similar system). So be prepared for some noise. Here's instructions on replacing the battery on a Command so you know how to get it off the wall, and where the battery is. (If you have a command that is) https://help.adt.com/article/Battery-Replacement-Instructions-for-the-ADT-Command-Touchscreen-Panel