Quick question on other's experience using z stuff signals. I purchased two for my switching layout. One worked perfectly out of the box. The second didn't even function when connected. I RMA'd this defective signal and received a third. The new signal functioned for about two days. Now I have noticed the sensor doesn't sense an object next to it so it will not switch from green to red. I know the lights work because I have it linked to the fully functional signal. When the down track fully functional signal goes to red it switches the uptrack (not working) signal too red, but beyond that this new signal no longer detects an object next to it. I have adjusted the sensitivity to no avail. So by my count three signals purchased, 2 do not work. Anyone else have a similar experience or did I simply run into bad luck with a batch? Thanks,
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