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Forum Discussion
Carrier Touch thermostat "A" will not connect to Orbi RBR850
TLDR: Our Carrier Infinity Touch version "A" thermostat will no longer connect to our Orbi RBR850 or its satellite RBS850s after rebooting then resetting them. The thermostat connected to the Orbi G...
Disabling IPv6 didn't help.
There are three devices which should be on the Guest network. The Carrier Infinity Touch "A" thermostat which won't work, a Carrier Infinity Touch "B" thermostat, which works, and a Ting sensor, which works. The "A" thermostat has a Redpine Signals WiFi card, and the "B" thermostat has a Texas Instruments WiFi card, per what the RBR850 sees.
The later "B" thermostat asked for a firmware update when I got into all of this. At the time, it had gone fully off-line (as in shut down, which it shouldn't do). I've had regular trouble with the "B" thermostat losing its WiFi connection and requiring a reboot. But I've never had it not connect when rebooted.
The "A" thermostat has not had a firmware update. Until last week, the "A" thermostat's WiFi connection has been much more dependable than the "B" thermostat. It has also occasionally required a reboot, but on intervals of a year or more. When power goes out it has come back up.
One problem with the "A" thermostat is that there is no direct way to get it to forget a WiFi network. Entering a new network name and password is supposed to overwrite the old one. I've done that using the same Orbi Guest network credentials now dozens of times, and also used a different network name and password to connect to my phone's hotspot several times. And, of course, the thermostat has connected to the laptop and the Time Capsule using the same network name and password as the Orbi Guest network. So that doesn't seem the likely culprit.
The "A" thermostat could be fully reset, but it's got a complicated setup (5 zones, variable speed A/C and fan, humidifier control) which as far as I know can't be backed up, at least by me, or set up again by me.
Given how much time I've spent on this (more than 40 hours), I probably should buy another "B" thermostat on eBay and get my HVAC company to install it. But then I may find that I have a less-stable WiFi connection than I had with the "A". I'm away a lot, and really want dependable remote access.
[It's possible that the "B" thermostat I have now has had flaky WiFi as it's closest to the RBS850 which has given me problems. Dealing with the RBS850 is another topic.]
Thanks for all the suggestons.
Seems like these maybe Carrier issues.
Tell me something are these devices wired to the HVAC system or just battery connected and connecting to the wifi?
FURRYe38 wrote:Seems like these maybe Carrier issues.
Tell me something are these devices wired to the HVAC system or just battery connected and connecting to the wifi?
Both Carrier thermostats are "reporting" thermostats which are wired directly to the Carrier system, with two wires for power and two for communication. No batteries. It's a closed system which can only use a Carrier Infinity myTouch thermostat.
As I mentioned, RBR850 reports that the "A" thermostat has a Redpine Signals WiFi chip, and the "B" thermostat has Texas Instruments. Presumably Carrier firmware updates would include any updates for the WiFi chips.
I just realized that both the laptop I used and the Apple Time Capsule are old tech. But my iPhone is a 12 mini, which is newer than the Orbi system. That the "A" thermostat can connect to all of these makes me think it's a Netgear issue.
And then there's the mystery of why it worked before.