Ademco Vista-20SE/Vista-20HWSE Low Battery Warning When the keypad displays BAT with no zone number or SYSTEM LO BAT, this indicates that the system battery needs to recharge. If AC power is out, the security system needs to recharge. If AC power is out, the security system may shut down once the battery is below the operating level.
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Locating Control Panel Box The battery control panel box is typically located inside a closet, garage or attic. Please note: the control box is different from the panel keypad that is used to arm and disarm the security system. Install New Battery 1.
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5. Installing New Battery Place the new battery inside the control panel box. 1. If the replacement battery has plastic terminal protectors, remove them before connecting the wires to the battery. 2. Connect the red wire to the red or (+) terminal of the new battery by pushing the connector firmly onto the terminal.
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When unpacking the battery, make sure to handle it gently. Rough handling may shock the battery, causing damage. Check that the battery is free from cracks, fractures, tipping and leakage. Be extremely careful not to drop the battery to avoid the possibility of serious injury. Do not pull on wires.
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