Is there EL troubleshooting?


The old MPB842 power supply will power up to two EL electric panic bars but will not power the QEL devices.  A defective potted module inside the electric panic bar or defective power supply coul...
The attached table shows the part numbers for LX-RX and LX-RX-LC switches field installed.
The power to the Von Duprin potted module also called potted circuit breaker is non polarized.
The EL wiring adapter is not needed for QEL devices.
The new motor driven ND electrified locks shipped after March 14, 2016 do not require a solenoid. The Schlage ND-Series electrified locks shipped prior to March 14, 2016 would have used a...
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...
This is not possible as an EL device is an electric latch retraction and requires power to unlock the door thus only available in Fail Secure.
The 900-2RS is recommended to be used with EL devices but if you have a 900-2Q with PS914 power supply it can be used to operate up to two EL or one EL and one QEL devices .
The resistance readings for a Falcon 24 or 25 Series EL solenoid should read;Green to Yellow = Pull Coil, should measure between 1 and 2 ohms of resistance. Green to Orange = Hold Coil, s...
Reference The 914 Installation instructions.
The potted circuit breaker for the Von Duprin EL device does the switching from the 16 amp pull coil on the solenoid to the .33 amp holding coil of the solenoid.