Its probably a heat pump and that light indicates emergency heat or axillary heat is on. There are different troubleshooting steps depending on when you see.
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Red light on thermostat. You can also speed up the process by disconnecting the thermostat display and plugging it into the usb port that came with your device. When the thermostat emergency heat light is flashing or on during normal operation whether in the cooling or the heating mode but not the emergency heat mode this typically indicates that the outdoor unit is locked out. Thermostat red light flashing or stays on. Modelif88 290 answer save. A blinking red light near the top of your thermostats display means that the battery charge is very low but its being charged. This means the outdoor unit has shut itself off because of a problem and it sends a signal to the thermostat letting you know that there is a problem.
Troubleshooting these emergency blinking problems can improve your units performance. Many thermostats include an emergency heat light that flashes continuously when the unit is locked out a feature that causes your unit to shut itself down and sends signals to your thermostat letting you know theres a problem with certain parts of your unit. If the red light on your unit is located at the top or on the right side of the thermostat and the red light does not turn off this indicates that there is a ground fault in the heating system. A blinking red light near the top of your thermostats display means that the battery charge is very low but its being charged. Your thermostat has a red blinking light a red blinking light means that the nests battery is running low. We use cookies to give you the best possible experience on our website.
What does it mean when the red light stays on the thermostat. This means the outdoor unit has shut itself down because of a problem and it sends a signal to the thermostat letting you know that there is a problem with the unit. It doesnt go off we just had an ac repair man come and answered by a verified hvac technician. That only happens when manually chosen or your system has an outdoor thermometer that has gone bad or its too cold and. When the thermostat light emergency heat light is flashing or on during normal operation whether in the cooling or the heating mode but not the emergency heat mode this usually indicates that the outdoor unit is locked out. Red light on white rodgers thermostat means.
It should turn back on automatically after the battery is charged. If theres a blinking red light on your thermostat.