8 • Schlage • AD-250 user guide
Batteries
To install or replace batteries
L
Replacement of batteries does not affect any programmed data.
L
Battery voltage can be checked with the SUS.
1. Remove the battery cover.
2. Remove the battery bracket.
Do not allow the battery pack to hang from the wires.
3. Install the new batteries (install only new AA Alkaline batteries).
4. Reinstall the battery pack and battery bracket.
5. Reinstall the battery cover.
Be careful not to pinch the battery wires when installing
the battery cover.
CAUTION! Danger of explosion if battery is incorrectly replaced! Replace only with the
same or equivalent type. Dispose of used batteries according to the manufacturer’s
instructions.
This product has been evaluated for ULC-S319 compliance with Duracell Procell
PC1500 AA alkaline batteries and Panasonic CR2025 lithium coin cell. For installations
requiring ULC-S319, these battery models should be used.
Four Battery Configuration
Eight-Battery Configuration
Low battery indications
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During low battery condition, the reader’s beeper will be temporarily disabled.
This condition will revert to normal function when batteries (AA or coin cell) are
replaced. (While the beeper is in temporary disabled state, the SUS will indicate
beeper is “on” as previously set by the user.)
Condition
Indicator
Solution
Batteries low
After credential is presented, 9 red
blinks of Schlage button (Left =
AA, Right = Coin Cell), then normal
indicator.
Replace batteries immediately
to avoid battery failure. Lock
is intended to operate for 500
cycles in low battery condition.
Battery failure
(configured by
SUS)
No LED or beeps
Valid credentials do not grant access
Replace batteries immediately.
Mechanical override key must
be used to unlock the lock.