INCONSISTANT CLOSE

RELATED FAQS

Question
Answer
The hydraulic closer underneath the control box has 3 regulating valves (like any 4040 series hydraulic closer). Main Speed - adjust closing speed from 90° open down to 10°. Latch Speed - adju...
For a door closer that tries to open the door instead of closing it:The closer body could be mounted backwards on the door - check instructions for proper closer orientation.It could be the wrong h...
Power Boost is a positive latching feature that increases the latch force, to over come building stack pressure or door weather stripping, etc, if the door stops before coming completely closed. T...
A 4600 (4630/4640) not opening to a full 90 degrees could be caused by a couple things: The Opening Force could be set too low. Try increasing the opening force adjustment on the controller a 1/...
The Falcon 8200 Series operator will allow the door to slam if: The motor is not connected (plugged into) the controller as the closing speed is controlled by a circuit on the controller. The mo...
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 ...
The 8310-865 RF receiver contacts (N.O. and COM) would connect to terminals 15 & 17 (the alternate action input) on the 4600 operator. The first activation would open the door, the second...
First, turn off the power to the Senior Swing. If the door closes, check controller for a constant activation signal from an activation device. If door continues to hang up and will not close...
Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions.  Single or multi-point hold open closers Utilize an electromechanical closer. Hold the door o...
There is potential for ND40/ND44's manufactured around March 2011 to remain locked after egress, or after the latch is depressed.  There was an issue with the keycam that created a bind when l...
If a door is being held open by the LCN SEM 7800/1900 magnet or any ME/SE Series Sentronic LCN closer, you can remotely release that door to close by ordering the following parts and wiring per ST ...
This condition can be caused by the "closing speed adjustment" being regulated for a fast closing speed. Try adjusting the closing speed to slow down the closing of the door. If that does not corre...
Both the ND50 and ND53 will not unlock when the door is shut.  The only way to pop the button is by turning the key on the outside or the lever on the inside.  Occasionally custome...
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. 
Make sure that the hold open nut is not on upside down.  The orientation of the hold open nut depends on the mounting. On a Top Jamb "Push Side" mount, the hold open nut would poi...
The size 6 handed closers will have the most (strongest) closing force. The 4016 (pull side), the 4026 (top jamb push side) or the 4116  (push side parallel arm)  have the highest closing force.
Force, Spring, Spring Size, Closer Size
Top Channel, Bottom Channel, End Channel