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“ auto rearm on ALK ”

Resolution: 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...:

Chexit goes into alarm with fast flashing LED and not locking after rearm time.

Resolution: 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...:

Why is my Von Duprin CX going into a weak alarm after the rearm delay?

Resolution: 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...:

Alk not power up - using 9V battery

Resolution: 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...:

Will the PT790 work with the ALK?

Resolution: The new exit alarm ALK uses the 24VDC regulated PS902 power supply.:

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“ auto rearm on ALK ”

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