When I use the wireless I get random flashing on all my controlers both LOR and the DIY. BUt when it hardwired I dont have the problem for flashing. I have tried changing the jumpers on the wireless but no luck.
This sounds like what I've been getting when I'm not getting a good wireless signal between TX and RX - something in the way, not oriented right, etc.
I had my TX inside my garage with an LE about 100 ft out working great. I went into the house and a little while later noticed it not working. I went to the garage and turned around and it was working great!
I found out that I would close the metal door with about six inches left and saw the signal degrade (spuratic operation) then upon closing the door, it went away completely - no more blinky from that LE. BTW, the other five were working great as they were not trying to transmit thru metal!
Also, I have found that you should power on the LEs with the TX off. The last thing to do is power on the TX. When powering down, kill the TX first, then power down the LEs. This sequence seems to work best.
-Paul