The Efficient Home Forum

Is there a permanent fix to this issue, for example a software update or upgraded sensor. I like the Evohome for lots of reasons but this flaw undermines the product as it means if the battery is low in the hot water sensor I loose DHW and or CH. Which if I am away and my wife is here on her own is ...

I have had similar random error messages relating to batteries in the TRVs and also red lights on the BDR91s. The BDR91 were actually closer than the recommended 30cm so I have moved them apart and replaced them as well but this did not resolve the problem. I cannot remember replacing the batteries ...