The Efficient Home Forum

Got 3 BDR91's in my system evo home system.
The hot water BDR91 and kitchen zone using evo controller for temp switch back on after power outage.
The BDR91 on zone (living) linked to TR82 thermostat doesn't switch on. This is a newly set up zone.

If evo controller turns living zone off then on again BDR91 turns on.

Also getting spurious comms faults on both kitchen heating & HW after power cut.
This is sorted with evo controller re-boot.

This has only just started in last few months after system has been installed 2 years.

Maybe the power cut could have surged the BDR91's? Have you tried deleting the zones and re-pairing them?

I'll try re-pairing them next time I'm there & see if it works.