stuck wall switch

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An error - E04 - is an indication of a constant activation input from either the "Hold Open" switch or a "Wall Activation" switch when the 4600 power is turned on. This condition also occurs when l...
Wallboard must penetrate a minimum of ½” into the hollow metal frame, based on NFPA Pamphlet 80, (page 80-2, figure A.4.6.3.1) .
When the "RED" LED on the 8310-865 RF Receiver is blinking, it is receiving an RF signal (interference) from a non programmed device. When receiving this type of signal, it will not program correct...
To convert a hard wired actuator button to a wireless actuator button you will need the following components: An RF transmitter. The 8310-844 transmitter for the (4-1/2" or 6" round, and the ...
To convert an RF actuator button to a hard wired actuator button, simply remove the RF transmitter an connect the hard wiring to the "Common" and "Normally Open" terminals on the the switch.
AL-Series and discontinued D Lever-Series locks use castle nuts to hold the chassis to the spring cages and to keep the chassis positioned in the door. This causes confusion at times when the lock ...
Check the following: Debris in the cylinder The cylinder cap could be too loose Incorrect pinning of the cylinder The cylinder plug is not returned to the neutral position with the cylinder s...
After installing a classroom deadbolt, there is potential for the thumbturn to project the bolt only, get stuck in one position, or move both directions but not move the bolt.  These are caused fro...