Home Energy Report: How to Read Your Chart
The Heating and Cooling section of your energy report will help you get into the details of how your systems have run over the past month. You can see how...
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Home Energy Report: How to Read Your Chart
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Why is my TH1100DH/TH1110DH/TH1210DH showing an error message E1? What does it mean?
E1 = Replace the thermostat
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Why is my system heating when it's set to cooling?
If the heating/cooling system is providing warm air when it's in cooling mode, complete the following steps: 1. Verify the thermostat is wired correctly. 2. Make sure the thermostat is...
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Why is my RTH8500WF WiFi Series WiFi Touchscreen Programmable Thermostat set to Heating, but I feel Cool or Mild Air and not heat? (Or Why is my thermostat set to Cooling but I feel Heat or Mild air and not cooling?)
Check your wires. If you have a wire in the RC terminal and no wire in the R terminal, insert the jumper wire. If you have a wire in the...
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Why is my RTH8500WF WiFi Series WiFi Touchscreen Programmable Thermostat not following my schedule?
Your thermostat is equipped with the Adaptive Recovery feature, which allows the thermostat to ""learn" how long it takes to reach a desired setpoint and begin heating or cooling earlier...
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Why is my RTH8500WF WiFi Series WiFi Touchscreen Programmable Thermostat not connecting to WiFi, or losing WiFi connection frequently?
Trouble connecting? If you are unable to complete the connection process, attempt the following before proceeding: Turn off mobile data. This allows the thermostat and mobile device to communicate via...
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Why is my RTH6500WF Smart Series Programmable Thermostat set to Heating, but I feel Cool or Mild Air and not heat? (Or Why is my thermostat set to Cooling but I feel Heat or Mild air and not cooling?)
Check your wire. If you have a wire in either the R or RC terminal and no wire in the other terminal (R or RC), insert the jumper wire. If...
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Why is my RTH6500WF Smart Series Programmable Thermostat not following my schedule?
Your thermostat is equipped with the Adaptive Recovery feature, which allows the thermostat to "learn" how long it takes to reach a desired setpoint and begin heating or cooling earlier...
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Why is my RTH6500WF Smart Series Programmable Thermostat not connecting to my WiFi?
Visit My Total Connect Comfort WiFi 7-Day Programmable Thermostat Manual & Support The thermostat uses a 3-step connection process: Connect your mobile device to the WiFi network of the thermostat...
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Why is my RTH6350/RTH6450 showing an error message Replace Battery? What does it mean?
Replace the Battery.
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Why is my Lyric T6 Pro WiFi thermostat not finding the in-home WiFi network?
This article can help you if you have a T5 or a T6 thermostat. For other WiFi thermostat models, please check our full list of Honeywell WiFi thermostats. There are...
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Why is my Honeywell Home T5 WiFi thermostat not finding the in-home WiFi network?
This article can help you if you have a T5 or a T6 thermostat. For other WiFi thermostat models, please check our full list of Honeywell WiFi thermostats. There are...
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Why is my Heating not Working on my WiFi 9000 Color Touchscreen Thermostat?
Your primary cooling (1st stage) is controlled by the Y terminal on your thermostat. (Or the Y and O/B terminal if you have a heat pump system) In addition, the...
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Why is my Heating not Working on my RTH8500WF WiFi Series WiFi Touchscreen Programmable Thermostat?
Your primary heating (1st stage) is controlled by the W terminal on your thermostat. (Or the Y and O/B terminal if you have a heat pump system) Confirm the thermostat...
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