Battery is no power

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All Keypad ONLY credentials with firmware versions between 2.9.2 and 2.11.0 should be updated to the latest firmware available at www.schlage,com/support.
A firmware issue with Keypad ONLY credential firmware, versions 2.9.2 through 2.11.0 and manufactured between 9-9-2010 and 1-5-2011 will exhibit poor battery life.
The Keypad ONLY credential Reader (KP) can prevent the reader from entering its low power sleep mode - with firmware versions 2.9.2 through 2.11.0
A Technical Note has been generated to document one method of measuring battery current. See the attachment HERE.
Some transformers in the power supplies provide a little humming noise and that is normal. If the humming in Von Duprin PS873 power supply is loud follow these steps. Remove the load from the outp...
Followings are the reason for 98/99 exit alarm ALK not sound when push bar is activated. Make sure key switch on exit alarm ALK is turned on, wait for 20 seconds before you activating the pushba...
There are three main failures with an ALK.  Problems are usually caused by a bad power source(battery), bad RX/LX Switch or a bad circuit board.  Try installing a new battery and wai...