I recently had an episode with my PLM. It quit, no surprise. I replaced most of the caps on the main board except the 100 microfarad, of which I had no stock. I had to re-link all my devices and mostly it was just a time consuming nuisance. All the Insteon plug-in modules came back on line. The RF only battery powered devices decided not to participate. Changed batteries, tried re-linking x amount of times, tied getting closer to the PLM. No joy. My devices are older ones, a RemoteLinc 2440 and 2413 motion sensor for two of them. Everything is out of warranty, and the act of messing with the PLM would have derailed that anyway. Can't buy a new one, as they will only warranty replace. Any ideas? .