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FAQs

What could cause the Von Duprin EL solenoid not to hold when mechanism cover plate is slide over the solenoid?

Resolution: 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...:

Are the legacy Von Duprin PS873 and the current PS900 power supplies filtered and regulated?

Resolution: The Von Duprin PS873 and PS900 series power supplies are filtered and regulated.:

Is there a flat lip option for the ND series?

Resolution: There are two flat lip strike options: Specify XQ02-309 for a 10-013 strike - specify 7/8" Specify XQ07-351 for a 10-025 strike - specify 7/8" :

Are Graintech doors available with GrainTech on one face and standard panels on the others face?

Resolution: GrainTech® doors are not available with different finishes on the inside and/or the outside door panels. Both panels must match.Standard GrainTech® finishes include:BirchAshOakMapleM...:

390PIR Not Locking

Resolution: Verify adequate voltage and current at the mag lock.390PIR Mag Lock Sys Installation and wiring click "here"Dual Voltage: 12 or 24 volts AC or DC(Selected by jumper setting on PC board)Max. C...:

390 DEL-2 vs 101-2+ Master and Slave Replacement Units

Resolution: The nearest functional equivalent to replace the legacy Master slave delayed egress mag locks is the M490DE-2 or M490DEP-2.:

320+ 350+ 390+ Unit will not bond

Resolution: check the following:Properly polarized power inputCorrect voltage 12 or 24 VDC Negative - must be on terminal 1 and the Positive + wire must at terminal 2.Power supply has adequate current to ...:

390DEL MBS not functioning

Resolution: If Magnetic Bond Sensor (MBS) is not changing states:Ensure that MBS test is being performed by bonding to a properly aligned armature. The Bond sensor is calibrated to the mas of the armature...:

390DEL will not reset after door closes

Resolution: :

390DEL Solid Amber Light

Resolution: If 390DEL amber light stays on solid after disabling the delayed egress function, make sure nothing is tied into terminals 5 and 6. A closure here will allow the lock to function properly but...: