The Efficient Home Forum

nrb501 wrote: ↑Fri May 03, 2024 7:23 amHello

Welcome to the group!

Thanks Richard, appreciate all your help! Should get time tomorrow to install the new relay. Reading the manual ahead of time, woud I be right in assuming the CS92 is okay as its bound to the evohome controller? I should only need to bind the new BDR91 Personally I would just follow the stored wate...

It looks like the evohome firmware got updated in April 2024...

https://support.resideo.com/s/article/H ... uage=en_US

I don't have any details yet but will share when I do.

Yep, looks like there is new firmware launched!

I wasn't aware of the new firmware, but it does seem to have been recently updated by Resideo. What firmware are you running on the device now?

What firmware version are you on?

The replacement finally arrived! Once I get it fitted, is it a matter of following the instructions in your video just to get them paired up? From what I've read I think it just needs connected to the base unit? Yep pretty much, as long as they are wired as per the system diagram I put up in the po...

Welcome to the group!

Oconnell123 wrote: ↑Wed Apr 24, 2024 4:22 pmHello

Electrical continuity, earth loop impedance... The usual stuff!

Ah nightmare! If you need a replacement we do a BDR91 equivalent here (https://thesmartthermostatshop.co.uk/product/wireless-relay-box-bdr91-replacement-replaces-all-pre-2021-honeywell-bdr91/). BDR91's don't normally fail without good reason, so make sure all electrical checks are done prior to inst...