Recent content by Johnhmccauley

Thanks for replying. I have two expansions boxes. This card is connected to the relay board. When I disconnected from this, the card does at least stay on. The setup has been working for the past 12 years without any issues. What can cause the expansion board to shut down?

I had one in place, came down and noticed it was dead. Unplugged, replaced battery, power supply. When I plugged in seem to start up ok, then the status started flashing rapidly. Then the system shut down. Purchased a new board, same thing happened. If I do not connect the data then the board...