The correct method (process) for setting the hold open is:
The 4110 HEDA arms are handed, verify correct hand arm. (RH or LH stamped on shoe bracket)
Loosen the hold open nut at shoe bracket.
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If an ME Series closer creeps shut or will not hold open,
Verify proper voltage is being supplied to the closer, if correct
Check the on/off switch. Verify the voltage on the 2 pin co...
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 ...
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...
To install a 4041/4040XP with Rw/PA or Hw/PA arm, you need a minimum of 5-3/8" top rail on the door, measured from the bottom of the stop. If the top rail is less than 5-3/8", you will need to use ...