JD Courtney
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Recent activity by JD Courtney-
Q: Why doesn’t my VM3541 board light my discrete lanterns?
A: The J3 connector on the VM3541 board is not an output to drive up and down arrows, it is an input only that can be set up to allow discrete signals to activate the up / down arrivals (going up /...
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Q: Why is my VM3541 voice board announcing the wrong priority/emergency messages?
A: This can be caused by an incorrect dip switch setting on the MICRO COMM® driver / interface board or by mismatched programming. This happens quite often with a Galaxy III or IV controller. Make...
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Q: Why doesn’t my VM3541 voice board announce any floors?
A: There are several causes for this problem, ranging from missing signals to mismatched programming. The first thing to look for is the presence of a signal that we call “Door Strobe” or “Play St...
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Q: Why does the display on my VM3541 voice board show “NC”?
A: The “NC” means No Communication. This will happen when there is no communication between the MICRO COMM® driver and the VM3541. Follow the troubleshooting steps in section 1.b. to track down th...
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Q: Why do the arrows on my car riding lantern light, but the gong does not sound.
A: This means that either the lantern or the gong are not set to “car riding lantern” mode. If you have an SA125/SA130-XMXXX mounted in the car, make sure that dip switches 3 through 8 are in the ...
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Q: Why does my display show “OT”?
A: This is an error message that is generated by the MCE M2000 or M4000 controller. You will need to contact tech support at Motion Control Engineering to troubleshoot the problem.
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Q: Why does my display show “NC”?
A: The “NC” means No Communication. This will generally appear if you have an MCE M2000 or M4000 controller with a built in CE interface board and means there is no communication between the inter...
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Q: Why does my display repeatedly flash “CE” then “2W” or “E” then “W”?
A: This indicates that the driver and displays are not compatible. This is usually caused by a software mismatch. If the processor on your driver (MCCA or SMCDU) is P333 or higher, and the proces...
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Q: Why does my display show “2V”? (Some older displays may show “OK” instead.)
A: This indicates that the display is either not receiving any data from the driver, or something is keeping the data from being recognized. Check the voltage between terminals 1 and 3 (or the BLK...
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Q: Why does my display show “ZZ”?
A: This normally means that the MICRO COMM® driver is either getting no floor signals or the signals are the wrong voltage and/or polarity. If you have an SMCDU-XXX driver, the value of the R1 – R...