Table of Contents
- 1 Why is my Honeywell thermostat showing auxiliary heat?
- 2 Can you turn AUX heat off?
- 3 How do I reset my Honeywell thermostat?
- 4 What is the AUX wire on a thermostat?
- 5 How do I reset my Honeywell 9000 thermostat?
- 6 How do I turn off the schedule on my Honeywell thermostat?
- 7 How do I Stop my Honeywell thermostat from switching to auxiliary heat?
- 8 What does auxiliary heat mean on a Honeywell system?
- 9 Why won’t my Honeywell aux turn on?
Why is my Honeywell thermostat showing auxiliary heat?
When you see the “aux” heat indicator on your thermostat it means your heat pump needed some help reaching the desired temperature. It turns on automatically when the temperature falls about two degrees below the desired setting and turns off automatically when the target temperature is reached.
Can you turn AUX heat off?
When the temperature inside your home drops a certain amount below the goal temperature (usually 1.5-2 degrees), your thermostat energizes auxiliary heat. The aux heat indicator on your thermostat lets you know when this is happening. Aux heat will turn off once your home reaches the thermostat set point.
How do I turn off my auxiliary heat?
Shut the door and close the vents so that the rest of the warm air can be redirected to the rest of your home. If the temperatures are extremely frigid outside, even this may be too much for your unit. You may need to make some additional changes to your home to keep the auxiliary heat from coming on.
How do I reset my Honeywell thermostat?
To reset your Honeywell Thermostat, switch it off, remove the batteries, and put them back in reverse polarity: negative terminals facing positive. After 5 seconds, reinsert them the right way.
What is the AUX wire on a thermostat?
Some HVAC systems support auxiliary heat (AUX) as well as emergency heat (E). A thermostat senses this and automatically turns on electric heat strips to provide the additional heat needed. Some thermostats have an E wire. The E wire controls emergency heating.
Can you turn off auxiliary heat?
How do I reset my Honeywell 9000 thermostat?
To reset the Honeywell 9000 Wi-Fi thermostat back to default settings, follow these steps along with the user manual instructions:
- Press the Menu button.
- Scroll down and locate the preferences.
- Scroll down again and find ‘Restore Factory Setting’.
- Choose ‘YES’.
- You’re done with the reset.
How do I turn off the schedule on my Honeywell thermostat?
To clear the program schedule on your Honeywell Thermostat, press the “Hold” button. For all scheduled periods, this will overrule the set temperature. The programmed schedule is cleared when you hold down the Hold button, and you will be prompted to enter a new temperature setting for the thermostat.
What wire controls auxiliary heat?
W2 wire
If you have a heat pump, the W2 wire may control your auxiliary heat. Auxiliary heat helps heat your home when it’s too cold outside outside for your heat pump to work efficiently. In some heat pump systems, the W2 wire may control a separate furnace to help heat your home.
How do I Stop my Honeywell thermostat from switching to auxiliary heat?
One of the simplest things you can do to keep your Honeywell thermostat from switching to auxiliary heat is to lower the temperature in your home. Setting the thermostat for somewhere between sixty to sixty-eight degrees is all you should need to do to get the problem under control.
What does auxiliary heat mean on a Honeywell system?
As the temperature drops two to three degrees below the set temperature, many systems will signal for the auxiliary heat to come on. What does aux heat mean on a Honeywell system? Short for auxiliary heat, this system is designed to heat your home up quickly instead of waiting for the cold heat pump on the exterior of your home.
How do I Turn Off the auxiliary heat?
There’s 2 ways to prevent the auxiliary heat from running on that stat. Get the installation instructions and change the system designation to “1 heat, 1 cool” heat pump. This tells the stat that there is no auxiliary heat. Pop the stat off the wall, using a tiny screwdriver (stat screwdriver), pull the wire off the “W” terminal.
Why won’t my Honeywell aux turn on?
If the temperature is above the set point, say 40 degrees, the ODT will prevent the AUX from actually turning on, although the Honeywell thermostat will still say it’s on. When the outdoor temperature drops, the ODT will allow the AUX to work normally.