two Flashing red lights after pressing credential

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PIM400-485 and AD400 Two red SCHLAGE LED flashes indicates the AD400, PIM400-485 and ACP all have operational communication, and the ACP denied access with a RS-485 command. With a PIM400-485 tw...
PIM400-TD2 and AD400 Two red flashes indicates the AD400, PIM400-TD2 has radio RF communication; but the AD400 did not get a strike, GO, relay closure from the ACP. With a PIM400-TD2 TWO red fla...
  ONE red flash, One red flash indicates RF COM loss, the AD400 radio did not get an answer from the PIM400-485 radio or the PIM400-TD2 radio. The PIM400-485 will turn off it's radio if th...
A red and green flashing LED's on a QEL indicates the device has been tampered with while power was applied, the push pad was pulled out at least three time. Wait 15 seconds and latchbolt will retr...
The push bar being pulled out three times while power is applied causes the lights to flash and the device to stop retracting.
Check to make sure there is no bind of the latch.
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...