blinking three times

RELATED FAQS

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a) One blink of the TROUBLE LED means the AD400 on this channel has low AA batteries. Install fresh batteries. b) Two blinks of the TROUBLE LED means the AD400 on this channel is not communicating...
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...
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.
Improper mechanical adjustment or QEL calibration could cause the QEL cycle three times with solid LED and not work. First check mechanical adjustment on vertical rods or mortise lock device and co...
  1) RS-485 communication will NOT interfere with a new firmware update on an AD300. You do not need to disconnect the RS-485 wires from the AD300. The AD300 will not be onlin...
  Steps to update firmware on an AD300. A) Keep the VIN/GND or AUX power applied. The AD300 will not function properly on AA battery power. B) Connect the SUS/HHD to the USB connector and p...
Push the LINK button near the TROUBLE LED once to stop the five blinks.
With the new FW package 2.19.0; AD300 FW 2.17.0 and AD400 FW 2.17.0 (released 09/23/2011) the firmware looks for a motor clutch switch change after a motor move command. If there is no motor clutch...
If the triangles in the spring cage spindle are not aligned properly the motor will not move enough to change the clutch switch. Is is very likely with a lock on the bench; but a properly install...
When the new firmware moves the motor three times without seeing the clutch switch change it reports to the SUS diagnostics that the motor is stalled. Aligning the triangles will let the motor move...
If the lock is mounted on the door, it is necessary to adjust the mortis/cylinder tightness and spring cage tailpiece alignments, making sure there is no binding or stopping of the spring...
Just align the triangles per the installation instructions to allow full motor movement.   - This will eliminate the SUS motor STALL report. - This will eliminate the three ...
When the "RED" LED on the 8310-865 RF Receiver is blinking, it is receiving an RF signal (interference) from a non programmed device. When receiving this type of signal, it will not program correct...
1) Two blinks of the TROUBLE LED means that the AD300 on this channel is not communicating over the RS-485 line. Check wiring connections; verify correct device addressing using HHD/SUS.
2) Three blinks of the TROUBLE LED means that the AD300 on this channel has a Tamper Switch violation. Investigate the lock's Tamper Switch.
3) Five blinks of the TROUBLE LED means that the AD300 on this channel has used cache mode to allow access during a communication loss with the PIB300 or the Access Control Panel.  Press the LINK b...