lock keeps flashing red

RELATED FAQS

Question
Answer
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...
On power-up the CO-Series locksets will provide 5 quick RED Schlage Button flashes and 5 quick beeps to indicate that the electronics (credential reader) has been changed.  In order to recover...
When/If the electronics (Credential Reader) changed on a CO-Series lockset, the lock will respond with 3 RED Schlage button flashes and 3 beeps for any key press or credential presentation.&nb...
CO Reader Modules cannot be replaced by Reader Modules with a different credential type; for example, a magnetic swipe credential reader cannot be replaced with a proximity credential rea...
A Credential Reader MAY be replaced with another Credential Reader of the same type; however, a Factory Default Reset must be performed before the lock will function properly.
When trying to program a CM lock, it may display an error code with a solid green light and 10 read flashes. This indicates the lock has already been programmed with computer software and manual pr...
CO Reader Modules are not individually replaceable, nor can they be swapped between locks. The inside and outside assemblies of a CO lock are a matched/mated set and cannot be swapped to change rea...