LM4 suddenly stopped working

[david.rombaut@gmail.com]

My LM4 suddenly stopped working 
Anyone an idea what I could check to see what's wrong? I verified the 24V supply and that's seems to work fine. Network switch, to which it's attached, is operational.
At the top of the module there are 2 LED's, no idea what there function is but they are both off all the time.

Any help is kindly appreciated.

David Rombaut

[admin]

Check if you have voltage on +5V output on your LM4. If there's voltage then the next step is to try replacing the microSD card with a new one.
You will need a recovery image: http://dl.openrb.com/recovery.img.gz
See this guide: https://openrb.com/reflash-logicmachine3...-software/