JD Courtney
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Recent activity by JD Courtney-
Running a transmit and receive test with an ELBNK
If you are using the discontinued ELBNK serial networking unit, you may need to test to see if the unit is properly connected to the Elite PI screens. First you will need to locate the ELBNK board....
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Removing time and date from a design
If you find that your time and date are incorrect on your Elite PI PRO screen, it could be because the screen does not have a permanent connection to a PC that can send it automatic time updates. I...
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Q: Why does my dot matrix display go blank?
A: There are several possible answers to this: The display may have lost power. If this is a discrete input display, verify that there is 110vac present on the 2 outside terminals of the JP1 conne...
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Q: Why are there no direction arrows on my dot matrix display?
A: There are a couple of possible answers to this. Make sure the up and down direction signals have the correct voltage connected to the WHT/RED and ORG/RED wires in the wiring harness. The up and...
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Q: Why does my dot matrix display show “D”? (some older units may show “CE”)
A: This normally means that the dot matrix display is either getting no floor signals or the signals are the wrong voltage and/or polarity. If you have a DHXXX or DVXXX display, the value of the R...
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Q: Why does my DHXXX-XMXXX / DVXXX-XMXX display show “D”?
A: This indicates that the display is either not receiving any data from the driver, or something is keeping the data from being recognized. This will happen when there is no communication between...
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Q: Why does my EHXXX-XMXXX / EVXXX-XMXXX display show “OK” or “AOK”?
A: This indicates that the display is either not receiving any data from the driver, or something is keeping the data from being recognized. This will happen when there is no communication between...
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Q: Why does my MICRO COMM® hall lantern light the arrows, but the gong doesn’t sound?
A: This is usually caused by improper addressing of the lantern unit or having the incorrect gong attached to the gong output. If all dip switches are in the OFF position, the unit listens to trav...
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Q: Why does my M3491/INN3491 light both arrows?
A: This normally happens when the two black wires from the unit are connected together. This unit constantly maintains +24vdc to the RED and GRN wires, and when the appropriate arrival signal is r...
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Q: Why does my M3491/INN3491 light the arrows, but the gong doesn’t sound?
A: This is usually caused by improper addressing of the M3491 unit. If all dip switches are in the OFF position, the unit listens to travel arrow signals and will light the arrow, but never sound ...