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Thread: GRX-3106s lost communication with Wallstaions

  1. #1
    Junior Member
    Join Date
    Apr 2017

    GRX-3106s lost communication with Wallstaions

    I have 4 GRX-3106 GrafixEyes which connect to 6 Wallstations - 4 are SG-4s the other gwo are SG-2B
    A recent windstorm randomly interrupted power before the power was cut for 22 hours.
    Once power was restored the wallstations would not command the 3106 units.
    I can operate the lights from the 3106 units, all scenes appear to have been retained, including dimming functions. But there is apparently no voltage to the wallstaions.
    I've tried to reset communications by pressing the two commm buttons on the wallstations, but nothing happens. There are no LEDs lighting up on the wallstations.

    Any ideas?

  2. #2
    Junior Member
    Join Date
    Apr 2017
    CORRECTION: Grafikeyes are GRX-3104

  3. #3
    Junior Member
    Join Date
    Oct 2020
    Hi there - did you ever get a solution to this problem? I have a similar issue going on right now, thanks!

  4. #4
    Lutron Technical Support
    Join Date
    Sep 2020
    The GRX-3106 has a small transformer inside of itself to produce power on the GRX link (Thats the 4 pin connector on the back of your keypads). Something likely happened to the GRX-3106 itself and isn't producing voltage. I would de-energize the circuit breaker powering the GRX-3016, extract it from the wall, unplug anything tied into the GRX link on the back (Pins 1,2,3,4) and then once it is safe re-energize at the breaker and measure across pins 1 & 2 for DC voltage. You should see roughly 12 vDC coming from the Grafik eye itself. If none is present you'll need to get an external power supply for your link and if that doesn't correct the issue you'll need to replace the Grafik eye 3000. Note: The Grafik eye 3000 has been out of production for more than a year now, I'd suggest looking at upgrading the system in the next year or two.

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