I have a three way switch set up to control our dining room light.  The Insteon devices are the micro switch modules.  I'm controlling everything with a Polisy.  They were originally under the Insteon hub before the crash.  I don't recall if they were also directly connected at one point.  Do I need to just factory reset them and then let Isy find them, or is there another option that doesn't require pulling them out of the wall?  Those boxes are really crowded inside.

If you can't put them in linking mode without taking them out, then unless you have a list of their device IDs, I don't see very many other options.

I have the device IDs.  

@armymutt

Try doing a restore device on each of the modules. The problem is most likely that there are old link tables in the modules that were linked to the hub.

@armymutt

Did the restore devices fix the problem?

I won't know until the morning.  It always seems to happen sometime over night. 

Another option, provided you have all the Insteon IDs written down, is to delete the devices and re-add using the option to add new Insteon device and your Insteon ID. 

You'll be presented with 3 options, and the first/default is to "remove all existing links". Add the modules back in and add to the scene

While deleting and re-adding is a little bit of a pain, it's probably less painful than digging the micro modules out of the j box and stuffing them back in.

Edited July 15Jul 15 by paulbates

If you run the Topology report (TOOLS | TOPOLOGY) it will give you a list of all your installed devices with their address ID and other useful information.

What @paulbates said is probably the solution.

Have you checked your list of programs to make sure you don't have a wayward program turning them on?  Maybe write a program that sends you an alert if any of the switches turns on.  Then you can see what time the alert arrived and go back to your program summary page and see if any programs executed at that time.  Also, knowing what time it happened can maybe give you a clue if there is a bad link to some other device.  Say for example, the light turned on at 3am and at 3am you used the bathroom and turned on a light in the bathroom or something.

Also, is the whole scene turning on, or just one of the devices in the scene?  If the whole scene is turning on, then you might consider deleting the scene and recreating it as well as deleting the devices and re-adding.

Don't forget, when you create a scene and add switches as controllers, you need set the on level/ramp rate for each of the devices in the scene that are controllers.  ISY used to have an option to automatically do that for you, but they got rid of it.  Supposedly something to do with adding in z-wave and other technologies to scenes which created errors in that process.

Looks like the problem might be fixed.  No incidents of them turning on at 1AM since I deleted them and reinstalled them.