Refer to the installation instructions and follow the instructions

New price increase July 18, 2025
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The key is turned to the armed position, but the device does not sound when the door opens and the door prop time expires.
Handed to wrong side.
Unplug and reinsert battery, 4 chirps is in door prop mode.
5 chirps, the unit is not handed. Confirm the magnet is aligned correctly.
Disarm the device by turning your key clockwise. Look on the circuit board, there are to metal prongs with white lettering saying ‘Mag Handing’. Short them together using metal like a screwdriver or the key. The unit should chirp 5 times. Reinstall the device with the door open, turn device to on, and close door. You should hear 1 chirp and then the device is ready.
If JP1 is cut on the board, the unit is made to mount on the wall and use a external magnetic switch.
The status indicator is set to “on”. The battery life when using the status indicator will only get up to 3 months.
This can be turned off by the slide switch on the circuit board as shown in the picture below. Remove the battery first, adjust the switch, replace the battery and rearm.
With status off, battery life can last for up to 12 months.
Note: Use name brand alkaline battery. If unit has gotten wet, it will drain the battery.
The ECL-405 (DTX00XX) represents key numbers from 11 to 20. This ID will also be engraved on the key you are looking for.
The CL-1 is for the EAX-3500, which is a wafer lock, not a screw cover.
Learn more about the cover lock and cover lock keys here
To identify part numbers, drawings can be found in the instructions and on parts lists.
A distributor can also be found for you by calling us.
You can also call one of our go to parts distributors:
Door Service – 314-487-0800 Ext. 2
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