@Wayne-TP I guess I'm talking to myself here but one last message. All thermostats are now stuck at 16 degrees. All thermostats think the room temperature is 16 degrees. I've removed all the external...

@Wayne-TP Reset the thermostat I was having issues with "low battery" and "fault". So back to Factory settings and added back in on the Tapo app. It initially refused to install until I swapped my...

@Wayne-TP Not sure even if you are monitoring this any more but one thermostat reported Low Battery. I replaced the batteries and now its showing "Error" with a red battery symbol. Just to add to the...

@Wayne-TP Restarted the Kasa and Tapo Hubs, restarted the Deco they are linked to. No different, some Thermostats still flat-lining at 16 degrees. Also, updated the firmware to 2.9.0. I sat there...

@Wayne-TP downloaded and installed. Noise less apparent but now most of the thermostats state a temperature of 16 degrees and they've been that way since before the update, since 03:45 yesterday...

@Wayne-TP Assuming that's aimed at me; yes I ran recalibration, twice. I don't recall the make of original TRV but they are only 3 years old and the Kasa TRV screws directly to them without the need...