AD reader dead

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Information on low battery threshold and nuisance delay is noted below: New firmware now has improved levels. - These are approximate values/levels which change with measurement meters and measure...
AD400/AD200/AD250 After ADFwPkg 2.17.0 - June 2011 4 Battery Holder New batteries = 6.2 VDC Low battery threshold is 4.7 VDC for SM & MT - and 3.7 VDC for MAG and PROX (USB stops working at 4...
    AD400/AD200/AD250 After ADFwPkg 2.17.0 - June 2011 8 Battery Holder New batteries = 12.4 VDC Low battery threshold is 7.2 VDC Critical battery threshold is 6.9 VDC Coin cell = new/...
CO2004 Battery Holder (ONLY) New batteries = 6.2 VDC Low battery threshold is 4.2 VDC Critical battery threshold is 3.9 VDC Coin cell = new/full is 3.0 VDC, low is 2.8 VDC
CO2504 Battery Holder (ONLY) New batteries = 6.2 VDC Low battery threshold is 4.2 VDC Critical battery threshold is 3.9 VDC Coin cell = new/full is 3.0 VDC, low is 2.8 VDC
  CO200 & CO250 Disable coin cell Nuisance delay and blink, With CO.A.7 and SUS 4.10.2 or newer for CO200 and CO250, you can use the SUS/HHD, under Lock Properties, Edit, to de-select, DISABLE, t...
The original 4B battery holder used with the AD and CO Series products is updated to improve performance.  The issues addressed include: -    New ledges are added near eac...
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.
Customers will need to use the Schlage Utility Software (SUS) on the HHD lock programming device to set the desired magnetic track to be read for access control, if not using default Track 2&n...
When new product(s) are added to an existing installed customer site, all devices at that site should be updated to the latest firmware revision that is available for the most consistent user exper...
Whenever an AD Series credential reader is upgraded with new or different credential types or replaced in the field, be sure to update. Lock firmware and reader firmware are packaged together so ...
Search the product library for firmware associated with your installed product to obtain the latest updates.  
Go to the Schlage support site to download the latest firmware package  - www.schlage.com/support  
Steps to determine what firmware version your products are currently using AND if a firmware update is suggested:1) Use the Hand Held Device (HHD) and Schlage Utility Software (SUS) application to ...