Honeywell Thermostat Battery Replacement Not Working

You can use any that have a battery in them. Thermostat Accessories and Replacement Parts. Fuse appears normal. Replace the batteries with high-performance ones. Piezo Igniter, Electrode Testing and Replacement 14 RG-IV White Rodgers/Robertshaw Gas Valve Testing and Replacement 15 RG-V Honeywell Gas Control Testing, Disassembly, and Replacement 20 RG-VI Burner Operation Inspection, Adjustment, Cleaning and Replacement 31 RG-VII Resettable Thermal Switch Testing and Replacement 34 RG-VIII. Your Honeywell thermostat tells the heater or air conditioner when to turn on and for how long to run. About your new thermostat Pull at bottom to remove thermostat from wallplate. The hallway is the coldest part of the property and i know the other rooms get hotter than what the thermostat is operating at so i have turned down the TVRs in the bedrooms. A little bit of. Non-programmable digital thermostat. I have a Honeywell CT3200A1001 thermostat that will not reset after replacing batteries, it still displays "bat lo" after trying several pairs of new batteries. If the thermostat runs from the house's electrical system, check on the circuit. , Golden Valley, MN 55422, or whether a replacement product can be sent to you. The AC unit is not working. Replacing the battery on your Nest couldn't be easier. The rep at Honeywell told me that for RTH to work the voltage should be in the range of 20-30VAC. A new digital control eliminates the presence of mercury. Honeywell TH6110D1021 FocusPRO® 6000 Thermostat - The FocusPRO® 6000 combines function, performance and energy savings in an easy-to-use thermostat. the most common mistake is disconnecting the jumper or getting the wires connected in the wrong place. Works with low volt heating/cooling systems including millivolt & heat pumps without auxiliary heat. cooling system is most likely a variation of a heat pump or multistage system. Ok, let's start with basics. If the thermostat runs from the house's electrical system, check on the circuit. 1 Turn the power off to the heating system. The thermostat was installed in 2000 when the house was built. The adaptive mode does not work. Easy-access battery replacement. Jasco offers the latest in home lighting and tech accessories to simplify your life and connect your home. Certainly, if these suggestions do not seem to help, then it is time to place that call. How To Test a Thermostat. Remove the old batteries with a screwdriver. Installing a Digital Thermostat I bought two digital thermostat at Lowe's, not knowing that the thermostat upstairs required a thermostat that has some kind of pump. We worked through some of these on our Honeywell RTH9580WF internet controlled t-stat. And when it is time to troubleshoot, most of the solutions are simple for the owner to execute. thing for that thermostat. the most common mistake is disconnecting the jumper or getting the wires connected in the wrong place. The RTH9580WF does not work with heat pumps with electric baseboard heat (120-240V). I tested the Eneloops on a ZTS tester and they tested at 80% capacity. I wear safety glasses and use nitrile gloves any time I work on a battery. But you CAN save hundred of dollars by switching just the fronts of the two valves, containing the circuit board that remembers the failure, rather than getting a plumber to replace the entire valve. STEP 2: Filter out trouble. I had to remove the face plate and replug it back into the mount. If it is still not working, go on to the next step. No program controls woud work. Replace thermostat. FREE FIX - How to Diagnose and Adjust an A/C Compressor Clutch in Car Truck - Blows Cold Then Warm - Duration: 23:20. Battery Reconditioning Step-By-Step Free A Step-By-Step Guide Battery Reconditioning, Battery Desulfator. Replace the batteries with high-performance ones. Large, clear, backlit display - easy to read in various lighting conditions. Finally, turn the HVAC power back on, and use the instruction manual to program the thermostat to your desired settings. • Set System switch to Off. Replaced a 30 year old Sunvic thermostat with the Honeywell on my ageing oil fired heating system. Connect to your Nest Learning Thermostat and Nest Protect smoke and carbon monoxide alarm from one place - the Nest app in your web browser. There are 4 common symptoms associated with a bad or failing thermostat. About your new thermostat Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to-use, push-button climate control. This warranty does not cover removal or reinstallation costs. Honeywell R8285D5001 Control Center, DPST. Discard the plastic tab inside to activate the batteries, then replace batteries. Also, if your Honeywell thermostat latches into a wall mount, you may have reinstalled it incorrectly. A Programmable Room Thermostat is a Room Thermostat and Central Heating Programmer combined into one component. I have now tried four different batteries and have had a new version of the thermostat shipped to me from Amazon. temperature, so they must not be covered by curtains or blocked by furniture. Honeywell Digital Non-Programmable Thermostat. I wanted to replace them with a digital thermostat. This thermostat will NOT work with electric baseboard heat (120-240 V), heat pump systems with backup heat, and multi-stage heating/cooling. My Total Connect Comfort Password. It may work fine all day but it's a daily routine to throw that breaker. low battery and 2. Replace the thermostat front cover, then mount the thermostat on the. If you see your Honeywell thermostat blinking, that's a legitimate cause for concern — but not as much as you'd think. There is a green thermostat wire but plugging it into C wire receptacle does not power it. Honeywell non-wifi programmable 7-day thermostat. Works with heating and cooling system. The battery-powered Emerson Sensi thermostat can deftly handle the basics of smart HVAC system control. If you wish to report an issue or seek an accommodation, please contact us. The future is what we make it. Open your furnace control panel and check the connection between your thermostat wires. I have to replace an old thermostat, but every one I see on Amazon is battery powered. pls enquire Refurbished Honeywell RTH7600 7 day programmable touch screen thermostat in excellent as new condition also have new opened $120 brand new $155 7 Day programmable (separate program for each day of week) generally will replace the majority of thermostats on the. Does not work with heat pump systems and electric baseboard heat (120-240V). So if your power goes out and you do not have a battery you will lose all of your programming and functionality until power returns and you reprogram it. So far, the Lyric thermostat is working great. Thermostat Installation 6 Articles View All. I've tried to replace the batteries with no luck. I changed back to my Honeywell thermostat and magically everything started working normal. Thermostat Troubleshooting - System Not Responding When your heating or cooling system doesn't respond, try these few tips. Pilot flame may not be present. To limit the amount of power drawn from the battery, such thermostats use an impulse relay that does not require the. Honeywell thermostat not working Troubleshoot Your Analog Thermostat There are several models of analog thermostats, and they differ in shape: they can have a square or round form. Sometimes your thermostat may not work as you have programmed it. Easy-access battery replacement. Enter the model number, and our ceiling fan manual and parts finder shows you a list of available parts for your fan. The rep at Honeywell told me that for RTH to work the voltage should be in the range of 20-30VAC. Call the Honeywell technical support line or refer to the thermostat's manual for exact reset instruction for a particular model. Installed according to instructions, and thermostat does not work! Heat turns on when wires are touched together, but not when installed in thermostat. It was working fine until one day after I had some AC service done, I see this message. If the problem is your battery, the thermostat usually warns of a low battery before it goes out. Certainly, if these suggestions do not seem to help, then it is time to place that call. Whilst it is not a direct replacement the Honeywell RF 2 Pack 3 (Part reference Y9420S2005) provides a solution with minimal upheaval as the use of wireless thermostats eliminates the need for additional wiring. There are solutions that an American Weathermakers technician can find by determining why your thermostat isn't working right. Same problem. His wiring documentation DID NOT work for me I spent the better part of the day figuring out how the Dometic contact closures worked and then another few hours doing the same for the digital thermostat and marrying the two together. Check that the thermostat is correctly set to "Heat" or. The Honeywell does require a battery as it’s a residential thermostat that normally wants power from a transformer. Hi everyone. Put your home to work with AMP Smart home automation. The battery replacement process is simple so there's no need to call a professional. We provide a wide range of thermostats. TOP 5 Best Honeywell Wifi Thermostats to Buy in 2019 : Innovation progress is also in our homes. Wireless thermostats provide temperature control, by sensing the air temperature, and switching the heating when the air temperature falls below the thermostat setting. Subject: Gas fireplace won't light up The pilot light is working, but when I switch the wall switch to on the fireplace won't start, what could the problem be. Unfortunately, I don't know if it was a coincidence, but this afternoon, one of my Honeywell T-stats (both are the same model Visionpro TH8321) seems to be acting up. I have an older model Honeywell non-programmable digital display thermostat, and the original battery lasted about 2 years. The FocusPRO non-programmable digital thermostat provides electronic control of 24 Vac conventional and heat pump systems or 750 mV heating systems. Replace thermostat. Whilst it is not a direct replacement the Honeywell RF 2 Pack 3 (Part reference Y9420S2005) provides a solution with minimal upheaval as the use of wireless thermostats eliminates the need for additional wiring. About your new thermostat Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to-use, push-button climate control. the 4 black ones are hidden by the aluminum plate. See the thermostat compatibility table for information about which programmable thermostat will work with your system. The battery maintains the time and date in your thermostat during power outages. My A/C stopped working because the batteries in my (Honeywell) thermostat needed to be replaced. The ST6400C and the ST6450 programmers can be replaced with the ST9400C Programmer without the need to replace the backplate or wiring, however we always recommend installing a new backplate when installing a new programmer. You should consult the owner's manual for your individual thermostat, because the proper procedure to replace batteries may vary by model and manufacturer. Ring Doorbell Battery Replacement-This guide is to show how to open the Ring Doorbell to replace the battery. A broken thermostat can cause extreme temperature swings, a furnace that cycles on and off too frequently or a furnace that does not produce heat. 2 Remove the thermostat’s cover. Because knowing how to install a Honeywell thermostat includes pulling out the old device, leaving the job to a trained technician is a good idea. Each feature is designed around what is most important to you – how well your building is working. There are 4 common symptoms associated with a bad or failing thermostat. It may or may not be available on Customer. Nice thing about the Honeywell is that there is a back lit display so you can see the setting when DW decides its too cold/too hot at 3 AM. 4 wires, red yellow white and green all clearly labeled as for what goes where. at that level better than if they don't use the hold. Fuse appears normal. It is also possible that it may not read the temperature correctly or properly. Note that not all repair parts are available through Hunter. electric baseboard wi-fi thermostat. In case, if the repair of the thermostat device requires replacement of parts. I removed the batteries and re-set it all again. Honeywell sells a variety of thermostats, and not all require batteries. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. Honeywell 4000 series (Th4110D/ TH4210D). So for it to work, you must leave the existing programmer heating permanently set to 'on' and let the new combined thermostat / programmer control the times and temperatures for your heating. Thermostat for Heat Pump. I tried everything in this forum and nothing worked to get rid of low battery alets on my touchscreen until i tried the following. Shop honeywell 7-day touch screen programmable thermostat in the programmable thermostats section of Lowes. Today, Johnson Controls offers the largest portfolio of HVAC equipment and controls in the world. Shop the latest collection of TalentCell Rechargeable 31200mAh 115Wh 24 19 12 5V Portable Charger External Lithium Ion Battery Pack For Laptop Notebook Mobile LED Light Strip CCTV Camera And More Today To Provide An Upscale Feel To Your House!, Complete the rest of the room with beautiful TalentCell Rechargeable 31200mAh 115Wh 24 19 12 5V Portable Charger External Lithium Ion Battery Pack For. Replacing inefficient thermostats can help you save money on utility bills or, in your vehicle, keep you. If you have dometic they have a digital also, but found out they will only work with a Dometic unit. No program controls woud work. There are some workarounds but it may not be easy. Heat Either Does Not Reach or Exceeds the Set Temperature Things To Check For: •Thermostat is not level on the wall • Heat anticipator needs adjustment Possible Repairs • Level. Also, if your Honeywell thermostat latches into a wall mount, you may have reinstalled it incorrectly. Honeywell's Lyric Thermostat is one of a new breed of "smart" thermostats that you can control using your smartphone. Now you have successfully fixed a laptop fan that is not working and has stopped rotating. Each feature is designed around what is most important to you – how well your building is working. My Honeywell T8131C1012 had a similar isssue. Open your furnace control panel and check the connection between your thermostat wires. You need a new gas valve. This port, by default, will not be blocked by your internet service provider or hardware. If it is still not working, go on to the next step. 1 Turn the power off to the heating system. Honeywell room thermostat not working right In Don't like the idea of having to replace it that often. Note that this info works about as well to Honeywell’s other wireless models like the RTH8580WF, VisionPRO TH8320WF, VisionPRO 8000, et al. Honeywell RTH110B Thermostat User Manual. Tape off the wires with electrical tape and place them where they will not interfere with the operation of the new thermostat. Shop honeywell 7-day touch screen programmable thermostat in the programmable thermostats section of Lowes. Find the perfect deal for Honeywell Programmable & Smart Thermostats with free shipping for many items at eBay. When these batteries die, the thermostat loses any programmed settings, and the heating and cooling system can stop working or may operate without switching off at set times. I have been using this thermostat for a few weeks and it connects to my network and controls my HVAC well most of the time. Retains setpoint in the event of a power outage. Precise comfort control - Consistent comfort to the highest level of accuracy. Make sure you check to see if you have a "C" wire coming from your HVAC system. HELP: Honeywell progamable thermostat; But being 10 year you might want to replace it. Hi everyone. 5-inch color touch screen that allows you to program your thermostat for up to seven days. Rang Honeywell and they say the battery cannot be replaced, they advised i should get a new progammable thermostat. Programmable Electronic Thermostat. Rth230b Thermostat pdf manual download. If it feels hot, it may not be working efficiently, which actually decreases its accuracy. Before getting too involved in testing, check the room temperature on a digital thermometer. Honeywell RTH111B1032/A Non-Programmable Thermostat, Digital Display Easy-access battery replacement. me The thermostat even stops working if the date and time of the unit are not set properly. Removing 4 screws gets you into the Nest's display and the battery comes right out. I have now tried four different batteries and have had a new version of the thermostat shipped to me from Amazon. Honeywell 7-Day Programmable Wi-Fi Thermostat can be controlled from anywhere in your house to anywhere in the world with Wi-Fi functionality and free smartphone app support Smart Response Technology learns your heating/cooling cycles, then optimizes to deliver the right temperature at the right time. A thermostat that maintains a steady temperature brings efficiency to your home or office and relief on your energy bill. The accompanying screen has been extended in length and features a green backlit display that makes dialing in your heating and cooling preferences an absolute breeze. I have a 2011 NPI 45 insert pellet stove. The thermostat has a low battery warning that will alert you that the battery needs changing. I just noticed the issue when it was a higher temperature yesterday, so I tried to cool my house and the heat just continuously stayed on. Granted, each heating and air conditioning system will have unique requirements for connecting a new thermostat, but the general process is pretty much the same. Honeywell room thermostat not working right In Don't like the idea of having to replace it that often. Display size options - available in large screen or standard. The thermostat even stops working if the date and time of the unit are not set properly. Replacing inefficient thermostats can help you save money on utility bills or, in your vehicle, keep you. Also, if your Honeywell thermostat latches into a wall mount, you may have reinstalled it incorrectly. Re: Honeywell 'The Round' CT87K battery question The CT87K is a power stealing stat (it powers it self from the r Terminal power) so I doubt the battery has anything to do with it's operation other than to keep the settings in case of a power interruption. A Tripped High-Limit Switch. Car thermostat problems happen unexpectedly. Came home from a trip and the thermostat showed "low battery". Honeywell thermostat not working Troubleshoot Your Analog Thermostat There are several models of analog thermostats, and they differ in shape: they can have a square or round form. To replace the battery, remove the battery tray using a screw driver. Excellent replacement. Now go back to your thermostat and disconnect the G terminal. Question: where to put batteries in our Hunter 44422 Thermostat - Hunter Fan Company Programmable Thermostat Instructions. Make sure the old Honeywell thermostat is properly disposed as it may contain mercury. My system is basically a C plan *except* that the valve is only on the gravity fed to the HW cylinder - it does not control the CH circuit. My thermostat display is off. One biggie you need to know, that I did not, is that in order to use this thermostat in wi-fi mode (even just within your own home) you must agree (in their click to agree terms) that Honeywell will collect and transmit your personal, home and usage data. When I touch the screen it will not respond. The battery is a 3. Product Instruction Manuals. value for money reliable programmable thermostat that can easily replace my Honeywell T40. Hello, my Honeywell CM921 Thermostat does not display properly, I can hardly see anything on the LCD screen. Hopefully no one else has this problem or if they do now they will know the work-around. Easy-access battery replacement; Works with heating and cooling system; Does not work with heat pump systems and electric baseboard heat (120-240V) Model Numbers - RTH111B1016; 1-Year Warranty. I have now tried four different batteries and have had a new version of the thermostat shipped to me from Amazon. julie, this is dangerous territory for a man. Why is my thermostat not working after changing batteries?. About your new thermostat Pull at bottom to remove thermostat from wallplate. Do not include jumpers as a part of your count. The thermostat animations are very slow and unresponsive; The Nest complains about a low battery and wants to shut down; If you have any of these symptoms, please try these simple steps to return your Nest thermostat to a working status. Unfortunately, I don't know if it was a coincidence, but this afternoon, one of my Honeywell T-stats (both are the same model Visionpro TH8321) seems to be acting up. Its a smartfit seven day programmable room unit with 2 wires feeding the smartfit controller and the battery backup has failed. Fan won't turn on either. Though when I turn "Fan" from Auto to On, the fan works. But after having that on all night, it does not seem to be actually cooling (even though the system was on "Cool"). , Golden Valley, MN 55422, or whether a replacement product can be sent to you. I am using it with a Honeywell FocusPRO 6000 Series programmable Thermostat with battery back up. One unit worked perfectly after the installtion but the other had issues. Nearby electric fires, televisions, wall or table lamps may prevent the thermostat from working properly. Replace batteries correctly: display should come on. thermostat will read the outside temperature every 10. Thermostat wire has three wires (red, white and green). Furnace Not Working? Perhaps it’s Time to Change Thermostat Batteries. Reviewed: 08/03/2018 by Donald McBurney. This will allow the fan to turn on when the thermostat is calling for cooling or heating but it will not give you independent fan control from the thermostat. I had to remove the face plate and replug it back into the mount. Honeywell Lyric T5 WiFi Smart Thermostat. Pilot flame may not be present. There is a user programmable timer which can be set on the thermostat as a reminder for various replacement-based products. Check that the thermostat is correctly set to “Heat” or. The A/C still did not work, but the LCD lights were on. If there is a blue wire in your cable, assuming it's a 5 conductor thermostat cable, the blue wire would normally be hooked up at the furnace and the thermostat so it would have 24vac power. To perform a hard reset on a Honeywell programmable thermostat, switch the device off before using a coin to push open the battery door via the small slot. Find the user manual you need for your home appliance products and more at ManualsOnline. This guide has been the hard work of our awesome students and is found to be exceptionally cool by the iFixit staff. This is a nationwide issue with the Nest software. The Lyric app is much improved over the Honeywell Total Connect Comfort app (which seems like it's on the way out, judging by the old-school graphics). Honeywell Safety and Productivity Solutions provides comprehensive solutions that enhance workplace safety and incident response, improve enterprise performance, and enable greater product design innovation. The thermostat will not operate the heating or cooling system until new batteries are installed. I'm trying to test the system, but none of the buttons on the front seem to be working. Replace the batteries as soon as possible once the message flashes. Temperature display does not go lower than 45°F (7°C) or higher than 88°F (31°C) during programming. The Honeywell RTH6580WF Wi-Fi 7-Day Programmable Thermostat is a very competitively priced programmable Wi-Fi thermostat. I have a Honeywell Thermostat - it was blinking "low battery", I changed the batteries, now the AC will not come on - it just blinks "Cool On" nothing is happening. Do not include jumpers as a part of your count. Just had a bad experience with my thermostat (Honeywell RTH4300B) Returned from 1 week vacation to find screen blank and furnace not working. It will not work or be supported on networks where there is no DHCP. The AC unit is not working. Look for a purple 3-amp or an orange 5-amp fuse on the board, and check that it's intact. Take the wire and connect the Y and G terminals. 1 Turn the power off to the heating system. Thermostat Programmable Modulating Thermostat Honeywell. Honeywell thermostat My Honeywell thermostat model #TH8320U1008 with the touch screen recently stopped working. The A/C worked when in the Test mode when the buttons worked, but now I can't get anything on the panel to work. Honeywell Thermostat Not Working. The A/C still did not work, but the LCD lights were on. If you know about electrical systems and how to handle them, you could jumper around the thermostat to see if that is what is bad. Honeywell TH6320WF1005 WiFi Heat Pump Thermostat by Honeywell. I have a white Rodgers Mercury thermostat. If your thermostat is of this type and needs a new battery, the video should give you an. Honeywell Safety and Productivity Solutions provides comprehensive solutions that enhance workplace safety and incident response, improve enterprise performance, and enable greater product design innovation. Tape off the wires with electrical tape and place them where they will not interfere with the operation of the new thermostat. Replace the front cover and switch the thermostat back on. Start by removing the 8 screws. Wires that are not connected to the old thermostat If there are extra wires that do not connect to your old thermostat, do not label them. If the thermostat runs from the house’s electrical system, check on the circuit. Subject: Gas fireplace won't light up The pilot light is working, but when I switch the wall switch to on the fireplace won't start, what could the problem be. In recent years, it has become apparent that Domotica and other home appliances are becoming more and more famous. Compatibility. Under this warranty, Honeywell will repair or replace, at its option, any unit that fails to perform according to Honeywell' published specifications during the warranty period. Precise comfort control, consistent comfort to the highest level of accuracy. My A/C stopped working because the batteries in my (Honeywell) thermostat needed to be replaced. I have now tried four different batteries and have had a new version of the thermostat shipped to me from Amazon. Our continued drive for excellence has made us one of the largest manufacturers of heaters in the world today. Why is Honeywell Thermostat Furnace or Air Conditioner not working? In a few cases, it might be possible that the problems exist with the furnace and air conditioner unit and not with the Honeywell thermostat device. Take the front cover off the unit and find the battery compartment. He is 93 and thought this would work for him to set once and leave it. ABOUT MITSUBISHI ELECTRIC TRANE HVAC US. Note that this info works about as well to Honeywell’s other wireless models like the RTH8580WF, VisionPRO TH8320WF, VisionPRO 8000, et al. View and Download Honeywell Rth230b installation and user manual online. Honeywell 7-Day Programmable Wi-Fi Thermostat can be controlled from anywhere in your house to anywhere in the world with Wi-Fi functionality and free smartphone app support Smart Response Technology learns your heating/cooling cycles, then optimizes to deliver the right temperature at the right time. • This thermostat is designed for use with 24 volt AC and. Nice thing about the Honeywell is that there is a back lit display so you can see the setting when DW decides its too cold/too hot at 3 AM. equipment side (not at the thermostat!) between W and C. My thermostat went completely blank (it is not battery operated). In your Vera you will not be able to see or modify the schedule that you put in via the Honeywell thermostat [Sched][Edit] process. It was working fine until one day after I had some AC service done, I see this message. So if your power goes out and you do not have a battery you will lose all of your programming and functionality until power returns and you reprogram it. Replace the batteries as soon as possible after the indicator starts flashing. Fan runs but no heat. This allows the thermostat to change between heating and cooling as needed based on the room temperature and the heating and cooling set points. Contractors and building owners have made Honeywell the world's number one thermostat choice for many reasons. You should find 24VAC between the red thermostat wire, and any other thermostat wire. The Honeywell RTH221B1021/A 5-1-1 Day Programmable Thermostat is designed to provide you with push-button climate control, with advanced programming schedules to save energy, while offering the reliability to give you many years of service. We are authorized stocking distributors for some of the most trusted manufacturers in the industry, including Honeywell, Carling, Eaton and others. It may work fine all day but it's a daily routine to throw that breaker. Works with heating and cooling system. The AC unit is not working. Blank Display on Thermostat Problem – Types of Thermostats Thermostat Screen not Working - First, we need to distinguish between the different types of thermostats available on the market. Is it time to replace my thermostat?. For shorter runs use 20 gauge. Thermostat Control. , Golden Valley, MN 55422, or whether a replacement product can be sent to you. If you are not comfortable working on the inside of your thermostat, do not hesitate to call a professional. The C, or common, wire brings 24 VAC power to the thermostat. If it is not working, replace the batteries in the electronic thermostat. Electric baseboard and fan heaters work with line-voltage thermostats, which can be either 120 or 240 volts. The thermostat keeps on working after the display goes out because the battery is only for that purpose, but you can no longer see what it is set for until you change the battery. It does not provide power to your thermostat. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which. The thermostat conditions the indoor climate – the AC, the heat pump or the furnace – to generate the desired temperature. Why is my thermostat not working after changing batteries?. I even tried hooking up the wires backward with no result, and in the third, "Y", station heat turned on, but wouldn't. 4 Replace the Coil on a Sears Kenmore 80 Series Determine whether another problem might cause the device not to work properly. Discover our barcode printers, scanners, mobile computers or workflow solutions. A lot of campers come with an old fashioned analog thermostat like the one pictured here. If the problem is your battery, the thermostat usually warns of a low battery before it goes out. The digital thermostat is a Hunter - Part #42995 and is $19. I have compiled the most useful user reviews about the Honeywell RTH6450D1009 Thermostat from internet. Easy-access battery replacement. This product is not for sale on this site. Some common problems may include a system that is not heating or cooling enough or a system that is not running at all. Even Honeywell’s older offering, the rectangular Honeywell WiFi Smart Thermostat, is beating the pants of the Lyric in terms of customer ratings. Then, fasten the new thermostat to the wall plate by pushing it gently until it snaps in place. This thermostat will NOT work with electric baseboard heat (120-240 V), heat pump systems with backup heat, and multi-stage heating/cooling. But after having that on all night, it does not seem to be actually cooling (even though the system was on "Cool"). • One-touch temp control overrides program schedule at any time. A properly functioning programmable thermostat can help to save money on energy bills. Sometimes car owners remove but do not replace their car thermostat. Once the engine reaches its operating temperature (generally about 200 degrees F, 95 degrees C), the thermostat opens. Just had a bad experience with my thermostat (Honeywell RTH4300B) Returned from 1 week vacation to find screen blank and furnace not working.