I had already drafted a first response, but I've been so busy re-including devices that I didn't find the time to put it here...
23-12-2020
Thanks for the responses! Good to see, that it is not only my installation that has this.... So, before responding to the individual responses, I'd like to outline how I am trouble shooting things now.
I am gradually adding all devices again. And adding now means:
- Delete the underlying devices of a node
- Remove the node from Z-Wave by excluding it
- Factory reset the node
- Add the node again to Z-Wave
- Add the devices again
If possible I do this within reach of the controller, but in some cases that is impossible. Anyway: as long as I am able to add a node and its devices to Domoticz, I should be fine, right?
By this time, I have done this for 26 devices. However, I must point out, that three of those were added before removing the Greenwave single power nodes from my network.
In general it would have been really nice if you could appoint a node ID (the 0xsomething-something number) yourself. Then I would make sure only stuff like a1, a2 etc is used as those can be found much more easily in the devices list. If you have a number lik 53....you know how often that occurs?!?
Well, let's have a look! I am not going to point out the devices that are still working fine.... it is "trouble" shooting after all
- Overloop, Coolcam multi sensor: Had to replace the battery and somewhere in the past days all parameters had been reset to defaults.
- Woonkamer, Aeotec Gen5 multisensor: 17-12-2020: sensor does not respond to movement. On time and group 1 parameters were reset to default
- Hal, FIBARO System FGSS101 Smoke Sensor: 20-12-2020: Had to add it again. The first addition did happen before removing the Greenwave power nodes.
- GreenWave Reality Inc PowerNode 6 port: Hasn't been reporting power consumption and is unable to switch 5 of 6 outlets. Power delta to start reporting was set to default. The node itself points out last seen 2020-12-22 14:22:57, but 15 out of 18 underlying devices show last seen 13-12-2020
- One of the Coolcam power nodes seems off, but I think that is because only a LED christmas light is connected to it, that is not enough to report.
- Slaapkamer, Coolcam power node: power report value was set to default
- Slaapkamer Sanne: FIBARO System FGSS101 Smoke Sensor: Unknown: id=0000 Unknown: type=0000, id=0000. All configuration gone. Same in the control panel
- Zolder: AEON Labs DSB05 Multisensor: Last seen 21-12-2020 Underlying devices last seen: 18-12-2020. This has been included on 15-12-2020. So has been working for a while and then just quits.
- Slaapkamer: Coolcam multi sesnor: no battery indication, not on main node nor on one of the devices below it. OZW control panel says 100%
- Zolder/washok: FIBARO System FGSS101 Smoke Sensor: no battery indication. Only temperature last seen 22-12-2020. Perhaps it is a good thing that the smoke and heat alarms have not been seen recently, but they do have battery indication!
- ...and then I stopped making this list any longer. Because it goes on and on...
Basically, some devices in the attic are not responding, so it seems out of reach. However, I was able to reconnect the GreenWave Reality Inc PowerNode 6 port while it was in the attic. After adding it just get out of reach. And the strange thing is, that the Coolcam powernode that is working properly is pretty close, so that should act as a hub.
I think I do recall that these devices were not too happy when communicating not directly to the controller.
Let's focus on an Aeotec Multisensor that I am using in the living room.
This is the last entry in the logging of the movement sensor:
2020-12-23 01:35:30 On
I do see the movement in the room being noticed as the LED on the sensor blinks. Now please have a look at the following screen shots:

- Aeon multi sensor gen5 Picture 1.jpg (139.92 KiB) Viewed 1977 times
It shows the node was last seen on 2020-12-23 at 11:42:41
Motion sensor is enabled and reporting is set to 225 and an interval of 720 seconds

- Aeon multi sensor gen5 Picture 2.jpg (30.45 KiB) Viewed 1977 times
Strange enough the motion has last been seen 2020-12-23 at 03:32:00 whereas other sensors (light and temperature/humidity have been last seen more recently)
And this is what I see happening all the time! The node has been seen recently, but one or more devices beneath it not. And the only way to "revive" it is by removing and re-adding.
In this case I tried the following:
- Pressed the inclusion button for 3 seconds: nothing changed.
- Pressed "Heal node" button in Domoticz: nothing changed.
- In Domoticz changed the name of the node to "Woonkamers" and then back to "Woonkamer". Both changes were reflected in the OZW CP.
If I leave it like this, without doing anything, I expect it to start detecting movement again as sudden as it stopped doing that.
In the OZW CP there is some logging as well, but most of it, I don't understand. Does anyone here understand it?
I know you pointed this out before. This is one of those topics that died out, because.... no clue actually. Perhaps here different things are happening. That is why I am doing the analysis.

- Aeon multi sensor gen5 Picture 3.jpg (8.96 KiB) Viewed 1977 times
In this case the OZW CP displays the same as the node information. So, this seems to be a different issue.
I had some additional images showing that every 5 minutes lux and temperature was nicely reported, but I am allowed to only include 3 pictures.