von duprin solenoid wont hold

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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...
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...
To keep the Von Duprin electric latch retraction EL or QELA exit device dogged (retracted) all day, have your access control, Key pad, key switch, fire alarm contact or any other signals ...
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 solenoids are different.  The current standard EL solenoid and mounting bracket is a one piece unit. The bracket is crimped into the front of the solenoid. This solenoid and plunger has no mech...
A 4040SE would not hold the door open if it has : No Voltage or Improper Voltage. Check that the track has proper voltage going to it (24V AC/DC or 120V AC). If 120 volts is supplied...