Back emf diode

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For the newer 4600 I/O Board -- Identified by a 1 to 24 pin terminal block: As of October 2010 the I/O Board assembly was changed and the new 4600 circuit boards have the capacitor, and diode bu...
The diode is supplied as optional backfeed protection for many products. There are two ways to tie in these diodes: 1) In series with the + voltage line to load:   Anode t...
An error code E02 indicate a short on the 12/24 VDC power supply.   On current I/O Boards with the 1-24 terminal strip:  Verify any wiring on the power output connections (1,2,3,4,5,7, etc.)...
Light emitting diode.
The ES Filter started to ship with these units (Senior Swing/Benchmark) on 4/22/2013.  The ES Filter kit will help eliminate line noise from an Electric Strike if used.  See here fo...
On the Senior Swing, if you have line noise from a strike the unit could go into an Error Code on the Control Box (Er13) and will not operate.  Adding the ES Filter, which is a diode, will eli...
On the Benchmark, if there is line noise from a strike then the unit will lose it's hold open time.  Adding the ES Filter, which is a diode, will resolve this issue and the unit will hold it's...