Why does honeywell thermostat say wait

Jan 2, 2023 · In this guide we shall look at what auxiliary heating is on a honeywell thermostat and how a heat pump works with it. Generally ‘auxiliary heat’ or ‘aux ht’ display on a Nest thermostat means that a heat pump is utilizing supplementary heating to keep warming your home or office adequately. Auxiliary heat will typically turn on when the ...

A Honeywell Thermostat says wait due to at least four different causes. We'll cover those here, as well as how to solve these problems. Then later, we will add more as we run into them. Honeywell Thermostat Says Wait: While Booting To fix this wait message, simply wait, like it says, until the boot / …On a Honeywell thermostat, a message that says 'temporary' indicates that the device is on a temporary hold. During this period, the thermostat will keep the temperature in your house at a certain setting. Once the temporary hold expires, the device will get back to its normal schedule. You get to decide when the temporary hold should expire.If the high limit switch is open due to overheating, it can cause the your Honeywell thermostat to flash “Heat On”. Troubleshooting will typically involve checking the high limit switch to ensure it is not tripped or stuck in the open position. If it is, allow the furnace to cool down and then reset the switch.If your Honeywell thermostat displays the “Wait” signal, allow it up to 5 minutes to clear. It might clear out sooner or even take an extra couple of minutes, so I …4) The outdoor temperature is too high. A common reason why your thermostat keeps reading 78 when you have set it to 74 is that the outdoor temperature is too high. Air conditioners are designed to cool the air by a difference 20 degrees from the air outside. However, when your region is experiencing an entirely high temperature, say …Honeywell's WiFi Thermostats are compatible with the following WiFi security standards: OPEN WEP PSK WPA TKIP PSK WPA2 AES PSK WPA2 MIXED PSK WPA AES PSK WPA2 TKIP PSK Please change your router settings to use one of the supported security settings above. If unsure how to do this, please contact the router manufacturer.

Outdoor AC condenser unit is not powered up. When your Honeywell thermostat is displaying a "Waiting for Equipment" message, it means that the thermostat is not receiving any information from the HVAC equipment it's connected to. If the outside condenser unit of your HVAC system does not have power, it can cause a prolonged delay message ...Temperature locks are the leading reason why your thermostat won't go below 70. The ideal Honeywell thermostat range for a home is between 71-74°F. Anything below that may cause the machine's cooling coils to freeze up and break. As a result, many devices have a lock that won't allow you to go below 70°F.This is the quickest and easiest method. Simply follow the steps outlined below to reconfigure the thermostat to match your existing system. Step 1. Touch the menu icon (can be 3 horizontal lines at bottom of display) Step 2. Scroll down and touch “Advanced setup”. Step 3. Then touch “modify configuration”. Step 4.Nov 15, 2023 · Step 1: Check Temperature Differential. To begin, press the “Menu” or “Settings” button on your Honeywell thermostat. Use the arrow keys or touchscreen to navigate to the temperature setting. Ensure your desired temperature is just a short distance from the current room temperature displayed on the thermostat’s screen.Wait for 5 minutes: Give your AC some time to respond. It might just be working through a delay to protect your system. Check thermostat settings: Make sure you've selected the desired temperature and mode (cooling). Power cycle the thermostat: Turn off the thermostat, wait for a minute, and turn it back on.Before you do that though, you'll have to unlock your Honeywell Thermostat. Subject to the model you own, you can do this by tapping on one of these options - Cancel, Cancel Hold, Remove Hold, Run, Run Schedule, Use Schedule. Some models may have a ↵ button dedicated to cancel a temporary hold. If you still cannot find how to do this on ...Apr 30, 2024 · The Honeywell Thermostat recovery mode allows the HVAC system to start heating/cooling before the scheduled time to achieve the planned ambient temperature when needed. This feature goes by various names, such as Adaptive Intelligent Recovery, Smart Response, and Early Start. It’s also similar to the flashing “Return” mode in older models.

Why does my Honeywell thermostat say wait? If you have a Honeywell Thermostat and see the message "Wait" displayed, don't worry! This simply means that the thermostat is waiting to activate the HVAC system. This is a safety feature designed to prevent damage to the compressor. In most cases, the "Wait" message should disappear after a ...4) The outdoor temperature is too high. A common reason why your thermostat keeps reading 78 when you have set it to 74 is that the outdoor temperature is too high. Air conditioners are designed to cool the air by a difference 20 degrees from the air outside. However, when your region is experiencing an entirely high temperature, say 100 ...Fan Setting. - Verify the fan setting. It should be set to "Auto" rather than "On.". In "Auto" mode, the fan runs only when the cooling system is actively cooling the air. - "On" mode keeps the fan running continuously, which can circulate already cooled air, but it won't initiate cooling if the thermostat is set incorrectly.A blinking flame symbol on a Honeywell Thermostat implies your thermostat has been set to heat mode and there is a call for heat. This is known as the time off delay and is there to prevent your Heat pump compressor from short cycling. Time off delay will typically not take more than 5 minutes. If 5 minutes elapses and the flame symbol ...What does it mean when my thermostat says wait? If your thermostat says "wait" or "recovery" there is no need to worry!However there are some specific thing...To reset, turn on the thermostat and press the "Program" button thrice. Then find the reset button located inside a small hole on the front panel of the thermostat and use a sharp object to press the button for about 5 seconds. Now your thermostat has been reset. The Honeywell thermostats 6000, 7000, 8000 and 9000 series

See thru shirts in public.

What does it mean when a Honeywell thermostat continuously says waiting for equipment? When your thermostat keeps displaying “Waiting for Equipment” even after the normal 5-minute delay, it might indicate underlying issues beyond the typical delay time. These problems can span from thermostat malfunctions to wiring or …You are wondering about the question why does my honeywell thermostat say wait but currently there is no answer, so let kienthuctudonghoa.com summarize and list the top articles with the question. answer the question why does my honeywell thermostat say wait, which will help you get the most accurate answer. The following article hopes to help you make more suitable choices and get more useful ...Thermostat says unregistered but I have registered. Honeywell APROX. 1 YEAR OLD TH8321WF1001. Months. Tried power off - Answered by a verified HVAC TechnicianLast updated. 2/22/22. The temporary hold setting is when you change the temperature setting to a different temperature and it stays at that setting until the next schedule change. The permanent hold setting holds the temperature setting you have chosen for an indefinite time. This overrides your scheduled settings.

There is no need to fret if you see a "Return" message on your Honeywell Thermostat. This is entirely usual and is key for the optimal performance of the device. It plays a fundamental role in the main characteristics of the equipment. The "Return" message blinks when it's working in advance to reach set temperatures assigned to the ...We would like to show you a description here but the site won't allow us.Contents. Why Does Honeywell Thermostat Say Waiting For Equipment? There are two simple reasons the Wait message can appear on your thermostat display, …Why Does the 'Wait' Message Appear? Several reasons can trigger the 'Wait' message on your thermostat, and understanding these underlying causes is essential for effective troubleshooting. Here are some common scenarios that lead to the 'Wait' message: 1. Compressor Protection. Modern AC systems have built-in compressor protection ...A Honeywell thermostat not working after battery change could be caused by misplaced batteries, programming that has been reset or a faulty thermostat. Fixing this problem may include checking if batteries were placed according to their respective terminals or reprogramming your thermostat. In the following chart lets take a quick look at what ...Jul 21, 2021 · All Honeywell thermostats, no matter the type of model, have a symbol showing you when the air conditioning is turned on. It can be a snowflake or it may say “cool on.”. When the air conditioner is actually running it will be a steady symbol, but you may notice it flashing at times. This indicates that your HVAC system is in a delay mode.TIL when an air conditioner thermostat says 'wait' it means there is around a 5 minute compressor delay to protect the compressor from short cycling and is a normal operation when settings are changed. ... to equalize out. A PSC system does not have too much start torque and if you try to start the system before it's balanced it's likely the ...To reset your Honeywell t4 Pro thermostat, follow these steps: 1. Locate the “MENU” button on the thermostat. 2. Press and hold the “MENU” button until the screen changes. 3. Navigate to “RESET” using the arrow buttons. 4. Select “RESET” and confirm the reset by pressing “YES” when prompted.When a honeywell thermostat says waiting for equipment, it is an indication that the thermostat is in delay mode. Delay mode is a built-in feature on a HVAC system that works with your thermostat to prevent your compressor from starting too soon after a shut off, thereby preventing your HVAC equipment from damage. When you...To use this feature: 1. Press the Menu button on your thermostat. Select Schedule. Select Hold/Run Schedule. Choose between Hold Until and Hold For options by pressing the corresponding button on your thermostat screen. If you choose Hold Until, press the + or - buttons to select when you want the hold to end (for example, in 6 hours) Then ...This allows the thermostat to "learn" how long the heating and cooling system will take to reach the programmed temperature settings. So the temperature is reached at the time you set. For example: Set the Wake time to 6am, and the temperature to 70F. The heat will come on before 6am, so the temperature is 70F by the time you wake …Resetting the Honeywell thermostat to the default factory setting will delete all your saved settings. Follow the steps below to reset the Honeywell Vision Pro 8000 series. Press the “MENU” button. Go to the “PREFERENCES” tab. Scroll down and click on “RESTORE TO FACTORY DEFAULT.”. Tap “YES” to confirm the factory reset.

If you find yourself waiting for longer than five minutes after adjusting your Honeywell thermostat, it's possible that a voltage issue is causing the delay. To troubleshoot this problem, try resetting the thermostat by replacing the batteries. This simple fix may resolve the issue and get your thermostat back up and running smoothly.

If you have forgotten your 4-digit passcode, there are two things that you can try out to unlock your Honeywell thermostat: Insert 1234 as the passcode. If that didn’t work, then look inside the thermostat and take note of the 4-digit date code; after that, add 1234 to the number. For example, if the date code is 0919, then insert 2153 as the ...To perform a Honeywell Thermostat reset, follow these steps: To access the batteries, open the rear panel. Take them out and reposition them. Carefully remove each one of the batteries one at a time after waiting for around five seconds. Reposition the batteries.I have a Honeywell TH8320U (VisionPro 8000 Series) TSTAT. The A/C unit is a Trane with AC / and a Gas furnance. The thermostat (when in heat mode) stays on "WAIT" the entire time heat is requested. Nothing happens for hours, it just says "WAIT". If I remove the TSTAT from the wall and then select heat, the "WAIT" does not appear and the ...Feb 21, 2023 · A Honeywell thermostat schedule is a pre-set program that allows you to set different temperature settings for your heating and cooling system throughout the day. This means you can program your thermostat to automatically adjust the temperature to your desired level at different times of the day, rather than having to manually adjust the ...Apr 21, 2020 · If your Honeywell thermostat says wait, rest assured that the unit should start itself in due time. If you find that your thermostat continues to offer this message after ten minutes or longer, you may need to seek professional help. Call in your local HVAC experts to examine your thermostat and your HVAC system to determine where the issue lies.The Honeywell ST9400C manual is an essential resource for anyone who owns or operates a Honeywell ST9400C programmable thermostat. This comprehensive guide will help you understand...If your furnace isn't heating up even when the thermostat says 'heat-on', it could be an ignition problem. First, take a look at the gas switch and make sure it's turned on. If it is on, then check for any issues with the furnace's igniter sensor. This may include checking or replacing the filter or breaker if needed.Resetting a Honeywell thermostat is simple and only takes a minute or two to complete. Either refer to your Honeywell control manual to reset it or follow the guide below that outl...Quick-fix Solutions For Honeywell Thermostat ‘wait’ Issue. Check For Power Supply Issues; Battery Replacement; Check Wiring Connections; Resetting The Thermostat; …

Vision works johnstown pa.

P365 x macro vs xl.

Let's delve into some advanced troubleshooting tips to get your Honeywell thermostat back online. Firmware Update. It's important to ensure that your Honeywell thermostat has the latest firmware installed. Keeping the firmware up to date can address any bugs and connectivity issues.To reboot your Honeywell thermostat and troubleshoot any issues, follow these simple steps: 1. Turn off the thermostat's power by either removing the batteries or switching off the circuit breaker if it's hardwired. 2. Wait for a few minutes to ensure a complete power reset.What does it mean when a Honeywell thermostat continuously says waiting for equipment? When your thermostat keeps displaying "Waiting for Equipment" even after the normal 5-minute delay, it might indicate underlying issues beyond the typical delay time. These problems can span from thermostat malfunctions to wiring or equipment-related issues.Please try again. Check the name or model number of your product to ensure it's correctly written in the search bar above. If you're looking for a product that isn't a thermostat, try checking here.Seeing your thermostat in recovery mode is an indication that it's working to keep your energy bills lower. It's a sign that the thermostat is engaging the energy-saving mode whenever possible and coming out of it when necessary. 3. To Adjust to Your Behavior. If you have a smart thermostat and it's often in recovery mode, don't worry.Step 3 - Reset the Breakers. Resetting your HVAC equipment from the circuit breaker can help you fix the Wait message if changing the batteries does not work. But first, you must turn off your HVAC equipment and thermostat. Once that's done, find the controls for the HVAC equipment and power them off.Jun 16, 2023 · Reset the Thermostat: Locate the reset button on your Honeywell thermostat (refer to the user manual if needed). Press and hold the reset button for about 10 seconds until the display goes blank or restarts. Release the button and wait for the thermostat to reboot. It may take a couple of minutes.Why Does the 'Wait' Message Appear? Several reasons can trigger the 'Wait' message on your thermostat, and understanding these underlying causes is essential for effective troubleshooting. Here are some common scenarios that lead to the 'Wait' message: 1. Compressor Protection. Modern AC systems have built-in compressor protection ...Honeywell thermostats are equipped with a recovery mode feature that allows the HVAC system to work towards reaching the programmed temperature after being turned off for a period. This mode can be overridden by disabling it through the thermostat settings or programming it to run on specific days, ensuring the system adapts to the desired ... ….

Well, thermostats often display "wait" to indicate a temporary delay in activating the heating or cooling system. Delving into the specifics of this message, its duration, and how to bypass it, especially on a Honeywell thermostat, can provide valuable insights for maintaining indoor comfort efficiently. Why does My Thermostat Say Wait?The most likely explanation for that message is that it's just a "guess" by the thermostat. Even smart thermostats take time to warm up/cool down to the right temperature. As much as we would love instantaneous temperature settings, that is not how HVAC systems work. Most of the time, when you see the "in 2+ hours" setting, it just ...When you switch your thermostat between Heat and Cool Modes, the thermostat will wait for a moment to process the command, protect the compressor, and prevent damage to your heating and cooling system. When the thermostat says Wait, it is still fully functional and can receive new commands from the SmartRent Mobile App or from the physical ...Step 10: Power Cycle the Thermostat. To fix any power issues or glitches within the thermostat, you can try power cycling/soft-restarting the thermostat. Simply take it out of the wall mount and remove the batteries for a couple of minutes. Then plug everything back in and see if the thermostat reconnects to the Wi-Fi.Find the hardware reset button on the side of the thermostat (a round button labeled “H.W. Reset”). Use a pin/paper clip to press down the button for about 5 seconds. This should restart your thermostat and possibly fix the issues you’re having with it. But if that doesn’t solve the problem, see the next step. 2.Verify that the thermostat is level using a bubble level. If it's not, adjust its position until it is. Remove the thermostat cover and use a soft-bristled brush or can of compressed air to clean any dust or debris inside. Locate the calibration switch and gently move it up or down to adjust the temperature reading.Aug 19, 2021 · Resetting the Honeywell thermostat to the default factory setting will delete all your saved settings. Follow the steps below to reset the Honeywell Vision Pro 8000 series. Press the “MENU” button. Go to the “PREFERENCES” tab. Scroll down and click on “RESTORE TO FACTORY DEFAULT.”. Tap “YES” to confirm the factory reset.A Hold message on a Honeywell Thermostat tells the thermostat to maintain the HVAC system for the building at a set temperature. The temperature will be maintained until the Hold expires or the temperature is manually changed. A Hold can be temporary or permanent depending on its setting. A key feature of programmable thermostats is the ability ...Step 5: Replace Backup Batteries. - If your Honeywell thermostat has backup batteries, replace them with fresh ones. Weak or depleted batteries can trigger AC power loss messages. Refer to your thermostat's manual for specific battery replacement instructions.Honeywell thermostats have long been known for their reliability and innovative features. Whether you are a homeowner looking to upgrade your thermostat or a professional HVAC tech... Why does honeywell thermostat say wait, In a matter of minutes, the air should kick on and the snowflake will remain solid. If the blinking does not stop, the next step is to switch the dial to "off.". Perhaps the thermostat did not properly relay to the HVAC system. By moving the switch to "off" and then back to "cool," you can start the system up again., What Does "Wait" or "Waiting for Equipment" Mean? When you see "Wait" or "Waiting for Equipment" on your Honeywell thermostat, it's signaling that the system is currently in a safety delay., Honeywell RTH9580WF smart thermostat, displaying its -Hold Options- page, with the -Cancel Hold- button highlighted. Pressing Remove Hold stops both Permanent Hold and Temporary Hold. 3. Tap the Remove Hold Button. When you touch the Remove Hold option, the thermostat then returns to Following Schedule mode., Check the furnace once and see if it is off. Locate the switch and turn on the furnace. Close the door; otherwise, the thermostat will again remain blank. The breaker may have tripped if the system still does not turn on. Go to the breaker panel and find the breaker labeled as a furnace., Apr 30, 2024 · Turning off the Honeywell thermostat's permanent hold setting is easy. It is usually the same for turning off a temporary hold. Depending on your model, you can go ahead and press Run, Cancel, Run Schedule, Use Schedule, Remove Hold, or Cancel Hold. For other models such as the T4 Pro, press the +/- or up/down buttons first then press Cancel or ..., If your thermostat is blank, has a white screen, or a black screen take the following actions: Power cycle your thermostat: Ensure your HVAC system is not running. A good way to tell if it is running is to listen. If you hear the system running, then wait until the heating/cooling cycle completes before proceeding to next step., Thank you for contacting Honeywell. "Waiting for Update" is a notification message that appears on the thermostat's readout when the thermostat is trying to fetch the information pertaining to 'Outdoor temperature and humidity'. RTH9580WF has the feature of showing you the 'Outdoor temperature &and humidity' on the screen of the ..., Resetting Honeywell Smart/Lyric Round Thermostat. Step 1: Press the Cloud Icon and hold it. Step 2: Press the Down Arrow button until Reset appears on the screen. Step 3: Select Reset to complete factory reset. Now your device has been successfully reset to factory default settings., I have a honeywell 9421 thermostat connected to an EIM. They recently "lost connection" (wireless) and I can't get them reconnected. From the thermostat installation menu, I've disconnected the thermo … read more, Wait for the thermostat to reconnect or choose a new Wi-Fi network. 508: ... Why does my Honeywell thermostat show a sensor error? Sensor errors can occur due to loose wires, sensor dirt, software glitches, or other issues affecting the thermostat's ability to measure temperature accurately. ... Honeywell Thermostat Says Connection Failure ..., Sep 19, 2023 · Verify Power Supply. To troubleshoot a Honeywell AC thermostat with a blinking cool on LED, start by verifying the power supply. Check the thermostat power source to ensure proper voltage supply. Inspect the power connections and make sure they are secure. If the wires are loose or damaged, tighten or replace them accordingly., HiCustomerafter I hook up the Honeywell thermostat, I program it heat and cool mode, it worked but I tried to program overide the thermostat for heat and cool auto and the whole system is not working. … read more, my honeywell thermostat is not working properly and says wait on the screen AC is not coming on. Does it need to be reset? It is a touch screen and I have replaced batteries and adjusted it to manual and powered off the AC and turned it back on. Heat pump works fan/cooler/blower not coming on. Screen says wait which I have never seen before., Honeywell thermostat indicates connection failure if there is an issue with the device's connectivity. This problem can be resolved by troubleshooting the Wi-Fi connection or restarting the thermostat. Facing a connection failure on your Honeywell thermostat can be frustrating, but fear not, as this issue can usually be easily resolved., The Honeywell Waiting for Update message can show up on Honeywell smart t-stats, like the RTH9580WF in this example. These messages, though not always errors, can show up when the t-stat has just come online after installing it, or a power outage. These can also occur if the Wi-Fi network to which the t-stat connects, loses internet access., Mar 21, 2023 · Outdoor AC condenser unit is not powered up. When your Honeywell thermostat is displaying a “Waiting for Equipment” message, it means that the thermostat is not receiving any information from the HVAC equipment it’s connected to. If the outside condenser unit of your HVAC system does not have power, it can cause a prolonged delay message ..., A heating issue can impact your comfort and safety. Whether the problem originates from your furnace, heat pump, or thermostat, Hays can diagnose and resolve it. Schedule service on the web or call 602-362-7917 and we'll send a technician right away. Your thermostat is set to "heat" mode but the furnace refuses to turn on., In this article, we will discuss the potential causes and fixes for a Honeywell thermostat blowing a fuse. When your nest or honeywell thermostat keeps on blowing the fuse, this is likely caused by a short between R and C terminals causing the fuse in the furnace control board to blow. While this can be frustrating, a fuse typically blows out ..., To activate cool mode on your thermostat, tap Mode on the device screen until the mode changes to Cool. Also, press the minus button on the left side of the screen to achieve your preferred temperature setting. Note that the procedure for activating Cool mode on your Honeywell thermostat depends on the model you have., Why Does the Honeywell Thermostat Display “Waiting for Equipment”? Common Causes of “Waiting for Equipment” Message. 1. Incorrect Wiring; 2. Power …, Turning off the Honeywell thermostat's permanent hold setting is easy. It is usually the same for turning off a temporary hold. Depending on your model, you can go ahead and press Run, Cancel, Run Schedule, Use Schedule, Remove Hold, or Cancel Hold. For other models such as the T4 Pro, press the +/- or up/down buttons first then …, If you have an older home with an outdated thermostat, you may be missing out on the many benefits that come with upgrading to a newer Honeywell thermostat. One of the key benefits..., Turn off the Thermostat: Locate the thermostat's power switch or circuit breaker in your electrical panel. Turn off the power to the thermostat. Wait for a Few Minutes: Leave it off for about five minutes to allow any residual power to dissipate.; Turn the Thermostat Back On: Restore power to the thermostat by flipping the switch or circuit breaker back on., Why does my Honeywell Thermostat say permanent hold? It is like a thermostat that you set to stay at the same temperature as it is now, but it will not be adjusted any time soon; it just adjusts itself periodically as the temperature on your thermostat is adjusting. The temperature setting that you have selected will remain at that temperature ..., To resolve this, check your Wi-Fi signal strength and ensure your thermostat is connected to the correct network. Rebooting your router or re-entering the Wi-Fi credentials on your thermostat may also help. 2. Firmware Updates. Outdated firmware can lead to compatibility issues and cause your thermostat to go offline., How to reset a ‘filter change’ indicator on a honeywell proseries thermostat; Step 1 : Press Menu, and then press until display. shows ALRT. Step 2: Press Select to display which alert (s) are. present. Step 3: The message REPL (REPLACE AIR FILTER) appears. Step 4: To reset or clear, press Select, and then press to go. to CLER (Clear)., If your Trane thermostat utilizes wireless communication with the HVAC system, assess the wireless signal strength and connectivity. Position the thermostat within the recommended range of the HVAC components, eliminate potential sources of signal interference, and consider reconfiguring the wireless connection settings on the thermostat., my honeywell thermostat is not working properly and says wait on the screen AC is not coming on. Does it need to be reset? It is a touch screen and I have replaced batteries and adjusted it to manual and powered off the AC and turned it back on. Heat pump works fan/cooler/blower not coming on. Screen says wait which I have never seen before., Press the center button and hold to unlock the keypad. This will allow you to enter the key code to turn off your lock. Enter your keypad code. With most Honeywell models, the default keypad code is “1234.”. You can punch this in by scrolling through the available numbers using the +/- buttons., TIL when an air conditioner thermostat says 'wait' it means there is around a 5 minute compressor delay to protect the compressor from short cycling and is a normal operation when settings are changed. ... to equalize out. A PSC system does not have too much start torque and if you try to start the system before it's balanced it's likely the ..., Why Does My Thermostat Say Waiting? by rwtrules. If you have a Honeywell Thermostat and see the message “Wait” displayed, don’t worry! This simply means that the thermostat is waiting to activate the HVAC system. ... If you’re experiencing a long wait status on your Honeywell thermostat, one solution is to try resetting the thermostat ..., 3 How to resolve the mistake “Waiting for equipment” on the Honeywell thermostats. 3.1 Try to wait until the problem resolves itself. 3.2 Replace batteries. 3.3 Reset switches. 3.4 Check the voltage. 3.5 Wi-Fi connection issues. 3.5.1 Restart your Wi-Fi router. 3.5.2 Restart thermostat. 3.5.3 Reset Wi-Fi settings on the thermostat., How do you reset a Honeywell thermostat? To reset a Honeywell thermostat, first, locate the reset button on the device. Press and hold the button for five seconds until the screen goes blank. Release the button and wait for the thermostat to restart. Once it's back on, you can reprogram it to your desired settings.