Thanks for posting this video. I have similar issue with the Cor thermostat. Either it is too easy to be damaged or a design issue - the thermostat heats itself up so it's temp sensor is never accurate
Thank you. I'm having that very issue now. I was hoping I would find someone else experiencing the same issue. Who better to experience the same issue than a professional HVAC Tech.😊
other issues with this thermostat is close to what you experienced. The actual display from this thermostat generates heat enough heat such that it increases the room temperatures sensing so that the thermostat will actually believe the home or building is warmer than it actually is bringing on the AC system and overshooting the temperature you will experience short cycling and overshooting nonstop the correction for this on this thermostat will be to disable the display from backlight on continuous to thermostat display only when touched
I'm on my third Cor (home owner) brand new system 4 years ago. Now looks like I've got the internal heating problem of the thermostat like in the video after finding it "offline". When that happens and I can verify good wifi I usually pull the thermostat and replace to reboot. What would be a good replacement anybody have recommendations? Thank you for your time....home owner !
My guess is the O circuit had a shorted MOSFET bridge output. Could be a random quality control problem on the MOSFETs or their reverse bias diodes or could indicate parts that were not designed properly for the application. I might consider calling the manufacturer and or repeating the failure mode test on the new one.
You are correct. If the MOSFET bridge on that thermostat is overloaded or shorted it will produce extreme amount of heat when output is activated and/or output will completely fail. Thermostat is manufactured by Ecobee and was Carrier Cor and Bryant Housewise branded.
I’ve had nothing but issues to compatibility with routers for WiFi use, to not being able to run them simultaneously with another cor in a different zone it’s weird ! Anyone else had issue similar to theses mentioned?
The Cor thermostat is trash imo, I literally told my stepdad it's not 72° in the house because my space heater detected it to be 63°..and my mother and I are still freezing even when he raised the COR to 74°. The Cor thermostat never changes it just stays on 74°..Is it because he set it to a target temp which is only 72°? If so then why is my space heater reading 63°? He doesn't believe me that something is wrong with with the COR thermostat and it's so frustrating..😩
I can see the problem from here. It's on the back side of the thermostat, all the way on the bottom. You are welcome....................................................... [Rant Mode: On] It's so sad, we used to make and sell great equipment and components here in this country, now it's all junk that you are lucky to get 10 years of service from.
I had an ecobee do this this summer. It was a unit low on refrigerant and would trip out on low pressure turning on and off all day & it was 82 outside. The thermostat would read 114 and was as hot to the touch.
I had a customer that had the same issue and they didn’t do any testing like you where. We replaced it once but then the new thermostat started doing it again several weeks later. We pulled it and put a Honeywell on it.
I thought carrier fixed those issues, two years ago I had replace 3 of them, I had issues with WiFi and erratic displays, no heat pumps just straight cooling
Our reliant carrier unit is 14 months old.Just replaced condensor coil and temp set is never reached.They have been here 3 times .We are getting desperate
I've had a few housewise tstats do this. So far every "high tech" tstat we've carried had some issue with a decent percentage of them that goes back to using electronics that can't handle the basic stress of every day use. I hope they create something with decent software like the housewise that uses sturdier components. If anyone knows a good reliable wifi tstat let me know!
I’m on my second one, warranty. Temp reading was 85 deg on the LCD. Room was 74 deg. Now this new one will not sync to iPhone. Support is uninformative. You get a ticket number, and hope I guess!
My COR thermostat display temp drops several degrees each time the air handler fan is turned on. This will cause the backup heat stage to engage. Pretty sure this is a junk thermostat.
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We've had similar issues with dozens of Cor/Housewise stats. So much so we no longer offer the product.
Thanks for posting this video. I have similar issue with the Cor thermostat.
Either it is too easy to be damaged or a design issue - the thermostat heats itself up so it's temp sensor is never accurate
Thank you. I'm having that very issue now. I was hoping I would find someone else experiencing the same issue. Who better to experience the same issue than a professional HVAC Tech.😊
Great Walk Thru!!!! I had identical issue. You nailed it. 😊
other issues with this thermostat is close to what you experienced. The actual display from this thermostat generates heat enough heat such that it increases the room temperatures sensing so that the thermostat will actually believe the home or building is warmer than it actually is bringing on the AC system and overshooting the temperature you will experience short cycling and overshooting nonstop the correction for this on this thermostat will be to disable the display from backlight on continuous to thermostat display only when touched
I'm on my third Cor (home owner) brand new system 4 years ago. Now looks like I've got the internal heating problem of the thermostat like in the video after finding it "offline". When that happens and I can verify good wifi I usually pull the thermostat and replace to reboot. What would be a good replacement anybody have recommendations? Thank you for your time....home owner !
My guess is the O circuit had a shorted MOSFET bridge output. Could be a random quality control problem on the MOSFETs or their reverse bias diodes or could indicate parts that were not designed properly for the application. I might consider calling the manufacturer and or repeating the failure mode test on the new one.
You are correct. If the MOSFET bridge on that thermostat is overloaded or shorted it will produce extreme amount of heat when output is activated and/or output will completely fail. Thermostat is manufactured by Ecobee and was Carrier Cor and Bryant Housewise branded.
I’ve had nothing but issues to compatibility with routers for WiFi use, to not being able to run them simultaneously with another cor in a different zone it’s weird ! Anyone else had issue similar to theses mentioned?
The Cor thermostat is trash imo, I literally told my stepdad it's not 72° in the house because my space heater detected it to be 63°..and my mother and I are still freezing even when he raised the COR to 74°. The Cor thermostat never changes it just stays on 74°..Is it because he set it to a target temp which is only 72°? If so then why is my space heater reading 63°? He doesn't believe me that something is wrong with with the COR thermostat and it's so frustrating..😩
I can see the problem from here. It's on the back side of the thermostat, all the way on the bottom. You are welcome....................................................... [Rant Mode: On] It's so sad, we used to make and sell great equipment and components here in this country, now it's all junk that you are lucky to get 10 years of service from.
10 years of service? I am thinking more of 3-5 years and I am being very generous on that
I had an ecobee do this this summer. It was a unit low on refrigerant and would trip out on low pressure turning on and off all day & it was 82 outside. The thermostat would read 114 and was as hot to the touch.
I had a customer that had the same issue and they didn’t do any testing like you where. We replaced it once but then the new thermostat started doing it again several weeks later. We pulled it and put a Honeywell on it.
I thought carrier fixed those issues, two years ago I had replace 3 of them, I had issues with WiFi and erratic displays, no heat pumps just straight cooling
ive went thru 2 cor thermostats, they're garbage
There is a direct connection to the reversing valve?
I’m having this same issue as I type. I ordered another thermostat hopefully this is my issue as well thermostat is really hot.
Mine was working for 3 years - then failed in this exact this way. Thermostat was getting close to 90 degrees.
That’s my issue. It’s reading 91 now.
How to unlock Cor stat
Our reliant carrier unit is 14 months old.Just replaced condensor coil and temp set is never reached.They have been here 3 times .We are getting desperate
I've had a few housewise tstats do this. So far every "high tech" tstat we've carried had some issue with a decent percentage of them that goes back to using electronics that can't handle the basic stress of every day use. I hope they create something with decent software like the housewise that uses sturdier components. If anyone knows a good reliable wifi tstat let me know!
I’m on my second one, warranty. Temp reading was 85 deg on the LCD. Room was 74 deg. Now this new one will not sync to iPhone. Support is uninformative. You get a ticket number, and hope I guess!
Older climatemaster thermostats will do that. Starts out as short cycling then if left alone will get bad enough they won't go into heat anymore.
My COR thermostat display temp drops several degrees each time the air handler fan is turned on. This will cause the backup heat stage to engage.
Pretty sure this is a junk thermostat.
Cor stats freaking suck. Every one I've installed has had issues and now it's hard to get warranty replacements
this is happening in my house says it 70 but feels more like 60
I think they are getting rid of the cor tstat, lots of ussues