Door closes and re opens over and over

RELATED FAQS

Question
Answer
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/...
If the spindle only rotates a little then rotates back to starting position, the controller is not reading the encoder on the motor. The control box (part number 9540-3462) is defective and would n...
       "Opening Force" adjustment could be set to strong (high).  This adjustment is a turn pot adjustment which can be found on the controller.  Try adjusti...
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...
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...
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 ...