Simon Says – Musings of a Technology CTO

Recently I added a few Mitsubishi minisplit A/C systems to my home and because I travel a lot (and I’m incredibly lazy) wanted to be able to control them from my phone (and the couch). I’ve had previous history with the Honeywell RedLink system (which requires yet-another-hub) and was pleased to find that mini-splits with native wifi connectivity are available.

My installer had never set up such “new” technology so this week he arrived with a number of tiny plug-in boxes, and the installer training video to connect up my units.

Halfway through following the steps on the video, the app presents us with an “Enter Installer Pin” challenge – cool I think, “some security at least to stop…”

what exactly?

I’ll get to that topic later – but needless to say, the pin wasn’t mentioned in the training video, nore the one-page install guide in the package.

Never to be defeated, I turn to my trusty advanced hacking toolkit and universal IoT password finder..

google.com

A search for “Mitsubishi installer pin” yields some helpful results – one, in particular, catches my eye, since it’s hosted on that vendor’s support URL

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