Compact Machines version: 3.0.18-b278
Forge version: 2838
I am not using Optifine: Not using Optifine.
Link to Crashlog: N/A
Screenshot (if possible): N/A (but I plan to make a video.)

Ok, I think the problem is interop between CM and Funky. Here's the setup.
I have my entire Refined Storage system inside nested Compact Machines. I also have 2 other compact machines (localizer machines) that the RS CM Prime machine can be teleported between using Funky Locomotion's purple teleportation movers.

In the simple setup, after the RSCM machine is teleported to the second localizer machine, the network behaves like nothing happened. The Grid outside of the localizer machine continues to talk to the RS system inside the compact machines (since there was cabling setup.) I can send the RS CM Prime machine back to the first localizer machine and all is fine. I think the Compact Machine does not notice that is has been moved and continues to pretend it is in the old location.

If I try to trick it out by breaking key cables, this tends to make the outer Grid go dark and stay dark (even after returning the RS CM Prime machine.), but the second Grid fails to wake up.

In duping fun, if you use a Actually Additions Block Breaker on the relocated compact machine, you get a new machine dropped to the ground while the Block Breaker picks up the original.