ADEMCO Vista-20SE User Manual
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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. When AC power is restored, the panel recharges the battery. If the
warning exists more than 24-48 hours after AC power is restored, it is time to replace it.

Stop Chirping or Beeping

To silence trouble beeps due to a BAT or SYSTEM LO BAT alert, press the OFF key. The low battery condition will remain
on until the battery is recharged or replaced.

Obtaining New Battery

Order your system battery under My Alarm > Order Equipment > Replacement Batteries
or purchase one at a local battery supply store. When purchasing a replacement battery
from a battery retailer or battery supply store, it is helpful to take the old one to ensure
the replacement battery is the same voltage and amperage, as well as the same size. You
can also call ADT Customer Care to order your battery.

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Summary of Contents for ADEMCO Vista-20SE

  • Page 1: Low Battery Warning

    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.
  • Page 2 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.
  • Page 3 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.
  • Page 4 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.

This manual is also suitable for:

Vista-20hwse

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