chexit board not lighting up

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Devices were shipped from the factory with motor driven after 8-24-2015. First confirm that you are using PS900 series (902,904,906 or 914) power supply.      1. Mea...
Devices were shipped from the factory with solenoid driven prior to 8-24-2015.  First confirm that you are using a PS873 or PS914 power supply.Measure the DC voltage at the ten wire hardness a...
Following information determine number of the Chexit devices that were shipped prior to 8-24-2015 from the factory with solenoid driven can be hooked up to a single Von Duprin PS873 or PS914 p...
Inadequate power or wrong gauge wire is used the inrush current demand by CX will overload and shutdown the power supply.  You must use the Von Duprin PS873 or newer PS914 supply.   Related soluti...
The following could cause the Von Duprin CX solenoid ( devices shipped prior to 8-24-2015) to pull and drop and sound the alarm with solid LED light. Wrong power supply, requires Von Duprin ...
The following could cause the Chexit solenoid ( devices shipped prior to 8-24-2015) pulls in then drop out with no alarm. Mechanical adjustment such as vertical rods. Disconnect t...
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...
If Chexit device LED blink once when you turn the unit on, the External inhibit green wire is not by passed or not connected to the access control normally closed contact.  For devices sh...
On May 1, 2013 the LM9000 lock was discontinued and replaced with the LM9300 Multipoint Lock. 
The LM9000 mortise lock, door with pre-assembled vertical rods, and frame all ship separately.  The soffit latch, bottom strike, and latch release will ship with the mortise lock, not the...