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Forum Posts
Temperature Sensor Issue
I currently use a remote sensor to register the ambient temperature in the room. Every once in a while, there will be a glitch and the temperature sensor reverts to the using thermostat instead of the remote sensor. On both the app (iOS) and the base...
Fan Speeds
I have a Mitsubishi Model SEZ-KD12NA4R1.TH Indoor Unit and also control Oil Heat Forced Hot Water zoned system.There is also a Mitsubishi PAC-US444CN-1 thermostat interface unit. How can I wire the thermostat so that I have control for the fan speed?
Minimum/Maximum Temp settings
I wish that anyone in my house can adjust temperature on thermostat but only to a minimum or maximum temperature. Turning cool setting to 55 should not be an option!I prefer the minimum setting on the cooler be no less than 70! Please advise!
My heat link is not powering
My heat link is not powering, tried switching on and off.tried also to reset the heat link by pressing the middle circle button link .please let me know how could you help
HVAC running outside but fan won’t auto start
I’ve just installed the Google Nest Thermostat but am having trouble with the fan and HVAC unit itself. For some reason the unit outside will kick on but no air will blow unless the fan is changed to manual mode for a certain amount of time.Why isn’t...
Nest Thermostat stopped recognizing C wire
My Nest Thermostat has worked fine for about a month, then suddenly shows an error code stating that there is no power to the C wire. Any information on why this would happen?
Nest Heat Link 2nd Gen no lights
Hi, My thermostat cannot connect to the Heat Link. I have had a look and there is no lights on the Heat Link. I have tried pressing the nest button for 10 and 20 secs with no change. Does this need replaced? Thanks
New nest won’t connect to nest app / old sensor won’t connect to Google home
Bought a nest for my new house. It won’t connect to the nest app. Despite multiple attempts it doesn’t offer a code to connect to nest app. I am only able to connect to Google home app. I have an old nest sensor. This won’t connect to Google home app...
No power to RH wire or Cool wire issue
I have first connected the wires, yellow -Y1, red to Rh, green to G and white to W1 according to instructions then I got e80 error, so I connected blue wire to C port and now I started getting no power to RH port.I tried changing the power source fro...
Thermostat Wi-Fi connection problem
Months ago I started having the /w5 connection error and I cannot access it from my phone anymore. I’ve tried resetting and restarting the thermostat to no avail. The software on it is the 6.1.1-21 updated Aug. 31 so maybe the software update being s...
