auto rearm on ALK

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The Von Duprin Chexit device will not automatically rearm itself after a fire alarm clears.  After a Fire Alarm has triggered the Von Duprin Chexit device, the device must be manually reset&nb...
Followings could cause the Chexit device to go into alarm after the rearm time: Chexit devices shipped after 8-24-2015 with motor driven: Module DPS LED is ON DPS switch contact is open: Close t...
Chexit devices shipped prior to 8-24-2015 with solenoid driven: Chexit device has a RX switch with a connector that needs to be connected to the Chexit module otherwise the alarm will sound af...
Chexit devices shipped prior to 8-24-2015 with solenoid - the solenoid pulls and drops, the alarm sounds, there is a solid LED or no LED light after the rearm t...
There are three main failures with an ALK.  Problems are usually caused by a bad power source(battery), bad RX/LX Switch or a bad circuit board.  Try installing a new battery and wai...
The new exit alarm ALK uses the 24VDC regulated PS902 power supply.