After a hard day at work, installing a Honeywell thermostat has made my house a cozier place to return to. Using the Honeywell thermostat makes my heating systems equipment function more efficiently, which results in lower utility bills.
Best of everything, I only had to replace the thermostat’s batteries once a year! However, as soon as I swapped out the battery, the thermostat ceased to function. Without contacting for expert assistance, I repaired my thermostat after much uncertainty and poring through the instructions.
I’ll take you to step by step through the process of achieving the same result. We’ll start with the most basic fixes, such as replacing the thermostat’s battery, before moving on to more involved fixes like performing a factory reset.
For Honeywell thermostat problems after a battery replacement, ensure the batteries are of the right kind and placed correctly. Reset the thermostat to its factory settings if the problem persists.
Ensure You’re Using The Correct Type of Batteries
If your Honeywell thermostat still doesn’t function after changing the batteries, you may have the incorrect batteries in there. Your thermostat’s fresh batteries may be insufficient to keep it running. To find out what boost converter your batteries need, go inside the battery compartment. For the most part, they use 1.5V AA batteries.
Replace All Batteries In One Go
If you didn’t replace all of the batteries at once, the thermostat might no longer function properly. It’s best if you keep new and old things apart. Replace your Honeywell thermostat’s batteries at least once every year with brand new ones. Your thermostat may have troubles if the old and new batteries have different charge levels.
Ensure the Batteries Are Correctly Installed
Whether the thermostat does not function, check to see if the batteries are put correctly. Make sure the batteries are put correctly by checking the battery compartment again.
If the thermostat isn’t working, make sure the batteries are installed properly before attempting any fix. Check the battery compartment. One more step is to make sure the cells are properly installed.
Factory Reset the Thermostat
Resetting your thermostat to factory settings is an excellent approach to address any issues you’re having.
Warning: If you do a Factory Reset on your thermostat, you will lose all of your data and have to start again.
I’ll walk you through the process of resetting any Honeywell thermostat to its factory default settings. Later on, I’ll go through each of the models in detail with you.
Follow these steps to reset your thermostat:
- Turn off the thermostat if necessary.
- Unlock the battery compartment’s door. Place a penny or other small object in the slot and then slide the compartment door to release it.
- Now, remove the batteries from the device.
- Replacing the batteries is as simple as reversing the polarity of the battery holders’ markings.
- The batteries should remain in this position for about five seconds.
- Next, remove the batteries and reinstall them according to the manufacturer’s instructions.
- The screen may now be lit, indicating that it is operating properly once again.
How to Factory Reset Honeywell T5+, T5, and T6
Follow these procedures to restore the factory settings on the Honeywell thermostats listed above:
- Check to see whether your gadget is on and ready to use.
- Hold down the Menu button for a few seconds to bring up the menu
- Select “Reset” from the menu on the left.
- Click “Select” to select a factory.
- When prompted, click “Are you sure?” and then click “Yes.”
- As a result, your device has now been completely reset.
Resetting Honeywell Smart/Lyric Round Thermostat
Follow these simple steps to reset a Honeywell Thermostats model like the Smart/Lyric:
- Press and hold the Weather button until you see the Navigation button appear on the screen.
- Please make your way to Factory Reset by scrolling down till you see it. Decide on it
- Once you’ve done that, click “Ok” and “Yes.”
- The device you’re using has now been reset.
Contact Honeywell Support
If none of the suggestions above help, you may need to seek professional guidance. To repair your thermostat, speak with a local professional or perhaps the Honeywell Support team.
It’s possible that diagnosing the problem is too unsafe without the proper equipment and expertise, therefore hiring specialists is the best option.
Fixing Your Honeywell Thermostat is Pretty Easy
I’ve shown you how to get your thermostat working again after changing the batteries. Most of them have been do-it-yourself projects. You may have to hire specialists if none of these options work out for you.
When you reset your thermostat to the manufacturer’s settings, remember to be cautious. All your settings will be wiped clean, and you’ll have to start from scratch. As a result, before doing a reset, make an effort to recall or write down your previous settings.
Best Seller List of Honeywell Thermostats:
- ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.
- SAVE ENERGY AND GET REWARDED by checking with your energy provider about available energy savings rebates to save on your purchase (rebate finder link above). Plus, eligible customers can enroll in ongoing energy savings incentives with their energy provider to keep saving all year long.
- C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
- SMART HOME INTEGRATION. The Wi-Fi 7-Day is compatible with voice assistant devices like Amazon Alexa, Google Assistant, Microsoft Cortana, and more.
- THERMOSTAT THAT FITS YOUR LIFE. 7-day, 4 periods per day, flexible programming lets you sync your comfort with your schedule.
- Country Of Origin: United States
- Model Number: TH4110U2005/U
- Item Package Dimension: 6.49999999337" L x 5.099999994798" W x 2.299999997654" H
- Item Package Weight: 13.8 oz
- Made in United States
- Package length : 6.0"
- Package width : 2.0"
- Package height : 8.0"
- Material Type: Plastic
- The display panel is backlit with an intuitive interface for one-touch access to setpoint temperature.
- Precise temperature control of +/- 1 degree Fahrenheit.
- Separate programs for the weekdays and weekends with 4 program periods per day including wake, leave, arrive and sleep.
- Easy to install yourself and works with many heating/cooling systems, plus heat pumps without auxiliary heat.
- Built-in battery change and filter change reminders.
- Pro 3000 1 heat/1 cool non-programmable digital thermostat white
- Model - TH3110D1008
- This is manufactured in United States
- Non-programmable digital thermostat
- Backlit digital display - both current and set temperatures are easy to read in various lighting conditions.Shows both current and set temperatures at the same time.Precise comfort control [ 1 F ( 0. 5 C)] - maintains consistent comfort to the highest level of accuracy.Basic operation - easy-to-use slide switches allow you to select the heat or cool mode, and operate the fan
- COMFORT COMES IN YOUR COLOR. Personalize your Wi-Fi Smart Color Programmable Thermostat to fit your décor.
- SAVE ENERGY AND GET REWARDED by checking with your energy provider about available energy savings rebates to save on your purchase (use rebate finder link above). Plus, eligible customers can enroll in ongoing energy savings incentives with their energy provider to keep saving all year long.
- YOUR SCHEDULE. YOUR WAY. Flexible programming options for your schedule or utility company’s peak rate pricing.
- EASY OPERATION AND INTUITIVE. Bright, easy-to-read touchscreen makes for simple operation.
- COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.
- 3H/2C heat pump or up to 2H / 2C conventional
- Remote comfort control via computer, tablet or smartphone
- 7-Day Multiple Day Programming or Non-Programmable
- Requires 'C' common wire for operation
- Must be installed by a licensed HVAC technician
- ENERGY STAR CERTIFIED. See your energy use in the Monthly Energy Report, and help save even more with a schedule that adapts to your lifestyle, and by connecting with your utility efficiency program (rebate finder link above)
- AUTO HOME AND AWAY MODE. Adjust your thermostat from anywhere with your mobile device, or let your home automatically react to your schedule with geofencing
- MULTI-ROOM FOCUS. Add Smart Room Sensors to focus the temperature on multiple rooms for comfort where it matters to you. (Sensors sold separately). Wire Configuration - 4-Wire. Supports Wi-Fi 802.11 B/G/N 2.4 and 5 GHz
- COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire Required.
- SMARTER, SIMPLER SETUP. Everything you need comes in the box, including a power adapter so that the T9 works in most homes. The T9 intuitively identifies your home’s heating and cooling type, making it easy to do it yourself
- Selectable to 5-1-1 (Weekdays, Saturday, Sunday) or 5-2 (Weekdays, Weekend) programmable thermostat
- Large, clear, backlit display - easy to read in various lighting conditions
- Display size options - available in large screen or standard
- Precise comfort control (+/-1 F) - maintains consistent comfort to the highest level of accuracy
- Simplified programming and operation
- Scheduling your heating/cooling cycles to fit your lifestyle is easy to do, with options to program day-to-day, over the weekend, or for an entire week.
- The crystal-clear display on the T5 Touchscreen Thermostat provides a seamless blend of function and style.
- The screen is brightly backlit with a cool blue color and provides an easy-to-read indoor temperature, including indoor humidity readouts.
- For added convenience, reminders to change air filters appear on the screen.
- The advanced design of this thermostat provides maximum comfort by sensing whether your home needs heating or cooling with the Smart Response Learning technology.
1. Why is my thermostat in delay mode?
To keep your HVAC system safe, turn on the delay mode. To prevent the equipment from resuming too rapidly, this delay is used. The delay mode has a maximum duration of five minutes.
2. Why Does My Honeywell thermostat say temporary?
If your Honeywell thermostat displays a “temporary” notice, it means that all of your planned temperature settings are presently on pause while you wait for the problem to be resolved.
As long as the hold period is active or overridden, the current value will also be the set temperature. The temperatures will return to normal when the hold period has ended.
-our editorial board has reviewed this article and has been approved for publication according to our editorial policy.
Last update on 2022-10-03