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Thermostat WiFi Help

Posted on 11/21/20 at 8:13 am
Posted by scottfruget
Member since Nov 2010
3392 posts
Posted on 11/21/20 at 8:13 am
I have a Honeywell Lyric T6 pro that has been working just fine for a year or so connected to a Linksys Velop mesh system.

Yesterday I purchased an Orbi AC6000 which has increased my WiFi speeds from 100-200mbps to 600-700mbps.

Every other smart home device I have is connected and working fine. This Honeywell thermostat will not connect to the router. Have tried what I could find online (turned off the 5g broadcast to connect via 2.4 only, factory reset the thermostat). Anyone else experience this or have any recommendations?
Posted by sahikojones
St. George, LA
Member since Oct 2018
625 posts
Posted on 11/21/20 at 8:23 am to
I wound up having to leave my old Nighthawk in my setup with the 2.4 band active because the washer/dryer wouldn't connect to the 2.4 of the Orbi. It was supposed to be a temporary stopgap until I found a real solution but over time I've found other smart devices had the same problem so I just left it in there permanently for those sorts of things and use the Orbi mesh network for everything else.

Posted by scottfruget
Member since Nov 2010
3392 posts
Posted on 11/21/20 at 8:34 am to
Thanks. I passed the velop mesh unit on to my son. May ask him for his old router and just use it for connecting to the thermostat if it will work.

Also, I did not notice the tip in the instructions that said you can change the name and password to your old router and all devices would auto connect. LOL spent an hour running around the house reconnecting everything.
This post was edited on 11/21/20 at 8:36 am
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57438 posts
Posted on 11/21/20 at 1:21 pm to
quote:

which has increased my WiFi speeds from 100-200mbps to 600-700mbps.

just letting you know that it wifi6 increases your ability to have faster speeds, but the device has to be wifi6 compatible. Which thatvmeans it's only the newest of the new devices that can use this ability
Posted by gpburdell
ATL
Member since Jun 2015
1422 posts
Posted on 11/21/20 at 4:12 pm to
Configure the Orbi so that the 2.4 signal is configured for 20 Mhz channels. 2.4 supports 40 Mhz channels which gives you faster speeds but many devices don't support that. Also, if the SSID is hidden make it visible. There is no security benefit in hiding it and some devices have issue with it.
Posted by scottfruget
Member since Nov 2010
3392 posts
Posted on 11/21/20 at 4:40 pm to
I’ve looked around in the settings and don’t see anyway to change from 40hz to 20hz. I do see a reduce to 50% or 25% power. I did to 25% and still could not get it to connect.
Posted by gpburdell
ATL
Member since Jun 2015
1422 posts
Posted on 11/22/20 at 12:39 am to
I did a quick google. It looks like there should be an option for "20/40 MHz Coexistence" in the advanced settings and it should be enabled if you have legacy devices that don't support 40 Mhz.
Posted by swanny297
NELA
Member since Oct 2013
2189 posts
Posted on 11/22/20 at 8:27 am to
I had a similar issue with my pellet grill and Orbi - pellet grill is 2.4 - I had to go in my Orbi settings and drop my 5 to 25% to get it to finally connect, once it connected on 2.4 I was able to turn my 5 back up to 100% - haven’t had any connection issues and it is staying on 2.4
Posted by scottfruget
Member since Nov 2010
3392 posts
Posted on 11/22/20 at 8:31 am to
Will give this a try. I have tried with the 20/40 coexistence both on and off and nothing
Posted by scottfruget
Member since Nov 2010
3392 posts
Posted on 11/22/20 at 8:52 am to
Nothing. Tried at 25% and then disabled 5g altogether and still nothing. Perhaps the thermostat has gone bad? I actually received a couple of messages over the last month before changing out the router that it wasn’t connected at times. We use it with the geofence option to detect away and home to raise and lower the temps
This post was edited on 11/22/20 at 8:54 am
Posted by scottfruget
Member since Nov 2010
3392 posts
Posted on 11/22/20 at 12:02 pm to
Fixed the issue and am now connected

Solution: used a device without the lyric app to log into and change the network on the thermostat. Connected immediately.
Posted by HooDooWitch
TD Bronze member
Member since Sep 2009
10267 posts
Posted on 11/23/20 at 11:52 am to
I have a T5. When I changed routers I used the same name and password and did’t have any issues.
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