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“ chexit flashes once when armed, then nothing ”

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Answer
Von Duprin Chexit device keeps going into alarm by itself.
Chexit devices shipped with motor after 8-24-2015. 1. When Chexit device is set for more than zero second rearm time (factory setting is 10 second rearm time) and device goes into alarm immediatel...
Chexit devices shipped with solenoid prior to 8-24-2015. 1.  When Chexit device  is set for more than zero second rearm time (factory setting is 10 second rearm time) and device goes...
Will a key from pull side retract the Chexit device latchbolt when armed?
Using the key from the pull side of the door does not retract the latch bolt on a rim or vertical rod chexit device.
CX98/9975 mortise devices will retract the latch bolt when the key is used on the pull side of the door.
Can the NL key override be used on Chexit Rim or Vertical Rod devices?
The NL key override will not open the door while Chexit rim or vertical rod device is in the arm mode.
Why is my Von Duprin CX going into a weak alarm after the rearm delay?
Chexit devices shipped prior to 8-24-2015 with solenoid driven could cause the Von Duprin CX solenoid to pull and drop and sound the alarm with solid LED or no LED light after the rear...
Why does the fuse blow in the power supply when arming the Von Duprin Chexit device?
The following could cause the fuse to blow in the power supply with devices shipped prior to 8-24-2015 with solenoid driven when Chexit device is arming. Wrong power supply Confirm PS873 or...
What would cause the Von Duprin Chexit device to have one red flash when armed then nothing?
Most common issue listed below: Chexit devices shipped after 8-24-2015 with motor driven. The Green wire is not shoeted to the Red wire if no Access Control system is used.If Access Control is us...
 Chexit devices shipped prior to 8-24-2015 with solenoid driven. The GREEN wire is not shorted to the WHITE if no Access Control system is used.If Access Control system is used,...
Chexit goes into alarm with fast flashing LED and not locking after rearm time.
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...