von duprin solenoid sticks

RELATED FAQS

Question
Answer
Check the timing first, Where can I find timing instructions for the Falcon T lock? The keyspindle assembly for the T/RU571 and the T/RU561 was re...
Replace the lock chassis as necessary for any T locks exhibiting this issue.  RU locks need to be replaced entirely. 
If manually it opens and closes fine, check to make sure one of the actuators is not getting stuck in the on position. Verify that the "Operating Indicator" LED's -- "POWER and SAFETY CLEAR" LED's ...
Make sure the proper power supply (PS873 or PS914) and proper gauge and run wire is used for Chexit devices shipped prior to 8-24-2015 with solenoid driven. Related Solution: What wire&n...
If you are trying to replace Von Duprin EL solenoid part number 971687, the sellable part number for the solenoid and plunger is 050535.  Please note that the solenoid is rarely the cause of E...
If mechanism cover plate causes the EL solenoid to drop when slid over the solenoid, the solenoid plunger requires adjustment.  You must lengthen the rod by turning the hex nut in front of the plun...
If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...
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...