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Page 1 Web-Programmable Thermostat Homeowner’s Manual Our web-programmable
Indicates current system mode: HEAT for heat mode, COOL for cool mode, HEAT and COOL for auto-change-over mode, or
One possible reason why your Emerson thermostat may fail to heat is because the device is malfunctioning
Loose wires or incorrectly connected wires on your thermostat can be the reason why the thermostat doesn’t turn on
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Large, easy-to-read display with 7-day or
If not, your problem could be something else
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To fix Emerson thermostat troubleshooting issues, press and hold both buttons on top of your unit until it beeps twice (about 3 seconds) or until the LED flashes red then orange rapidly—this resets it back to factory settings and
Set thermostat to cool and temp point below current room temperature
In this video, you will learn how to change the settings on your Conventional 80 Series Thermostat
Then find and press the section marked ‘Schedule’, once in there you will see a toggle that will display ‘On/Off’
If so, you’ll have to wait until the power is on again to check if your air conditioning is turned on by your Emerson Sensi thermostat
Check the Power
Things You Should Know
Sensi Lite smart thermostat: Make sure the word “ON” is not displayed
It should be anywhere from two to nine
There may be a problem with your furnace's pilot light
You can reset both types of thermostats in the same way: Set the system switch to “OFF”
Like all electronic devices in your home or place of business, your thermostat is connected to your main electrical panel
Set your Fan settings to Auto
Set your thermostat schedule to save up to 10% on heating and cooling costs* n