Don't apply the firmware update to your Ecodan FTC5 (yet)

[MyForest (David Bowen)]

Cross-post so folks know what’s happening:

Heat pump experiment review after two years

OK, time to get some help. I’ve been chatting to Mitsubishi so this is my post for them to see what’s going on. Hopefully they’ll take this news in the collaborative spirit we’re all espousing here, but I’ll apologise right here, right now if this ends up with the API being shut down.