Honeywell thermostat heat won't turn off - I have a Honeywell vision pro 8000 and for some reason the thermostat won't bring up the temp and permanent hold options. So I can't change the temp. I put it on cool and the condenser won't turn on e … read more

 
If you use a touchscreen model, press the “Menu” button to access the settings. On settings, scroll through the menu to find the “Reset” or “Factory Reset” option. Once you find it, select it. Now, your thermostat should prompt you to input your password to confirm the reset. Input your correct password now.. Lamar cisd bus routes

Possible fix for an oil radiator heater that won't power on. Easy fix!Model: HZ-709Bit required to open front panel: T10 security bit (has a small hole in t...If you use a touchscreen model, press the “Menu” button to access the settings. On settings, scroll through the menu to find the “Reset” or “Factory Reset” option. Once you find it, select it. Now, your thermostat should prompt you to input your password to confirm the reset. Input your correct password now.1. Set the TRV to max when removing and replacing. 2. Never hit the pin. You can try tapping the side of the valve to see if that loosens the pin. If the pin is stuck down, use a pair of pliers to pull the pin up a few mm (you don't want to bend the pin). If it is stuck up, use something to press down on the pin.CriticalFood2686. • 2 mo. ago. I just hooked up the Amazon smart thermostat. I had a Honeywell with identical backplate. When I put the Amazon faceplate on the screen doesn't turn on period. Switch it to the old Honeywell works instantly. Did the proper turning the fuse off first.42671 posts · Joined 2008. #13 · May 17, 2011. With power off, go to your air handler and remove the yellow wire from the thermostat from the Y terminal. Turn power back on, wait five minutes and see if out door unit runs. If not, then good chance there is a short in your thermostat wire bundle.Sep 12, 2023 · Try power cycling the thermostat and AC unit. Turn off the thermostat, turn off the AC unit, wait a few minutes, and then turn them both back on. Sensor Issues. Some thermostats have built-in temperature sensors that can malfunction. If your thermostat has a remote sensor, ensure it’s correctly placed and functioning. Electrical or Mechanical ... Honeywell Thermostat Won’t Turn on Heat? How to Fix. For the most part, problems with a Honeywell thermostat heating system may require an HVAC professional to fix. But it could be a minor issue sometimes and you could fix it by doing the following: Go to your vents and check the airflow. Examine the furnace system. Check the thermostat …Here is how to go about it. Press the "Menu" button on your thermostat. Press "Security Settings.". Select "Change Lock Mode" (This allows you to adjust your lock settings). Select the lock option you want to use. (Such as "Unlocked" for unrestricted access to thermostat settings, select "Partially Locked" to allow for ...The Honeywell CT87K manual thermostat has earned its status as a top-level thermostat. The Honeywell CT87K thermostat works with heating-only systems, such as forced air (gas, oil, and electric), hot water and steam, and heat pumps without a backup. However, users sometimes complain that the Honeywell thermostat won’t turn off.Check the circuit breaker to your equipment. Confirm the thermostat is set to Cool mode and the setpoint (the smaller number at the top of the thermostat display), is set to a temperature lower than the display temp (the larger number in the center of the display). Confirm the message "Cool On" is solid (not flashing) on the thermostat display.Should you use a heat gun to dry paint in the cold weather? Visit HowStuffWorks.com to learn if you should use a heat gun to dry paint in the cold weather. Advertisement When paint...A Honeywell thermostat 's 'waiting for equipment' message is a safety feature - the delay mode protects the equipment from turning on too fast. This usually happens when the system turns off and a sudden temperature change makes it turn back on; the unit won't start running, until 3-5 minutes pass.1. Locate the fan switch on your thermostat. This switch is usually located near the bottom of the thermostat, and it may be labeled "Fan.". 2. Flip the switch to the "On" position. This will turn on the internal fan in your Honeywell thermostat. 3.Apr 3, 2023 · Gm i have a york heat pump 3ton unit with 2-1 with em heat honeywell thermostat i have boiler experience but not to much with HVAC. I feel my thermostat runs the unit constantly with out a break in ot … To troubleshoot your Honeywell heater that is not working, try any of the following: Check the electrical outlet. Inspect the tip-over switch. Check the circuit breaker. Remove obstacles. Examine the thermostat. Check the auto-safety shut-off. Honeywell has been on the market for many years and has numerous varieties of excellent heaters.If you are staying in a room with an older Honeywell thermostat, there's an easy hack to bypass the preset temperature controls. While pressing the "display" button, press and release the "off" button or power icon. Then, press and release the up arrow or the "increase temperature" button to bypass the temperature controls.Jan 9, 2023 ... Review: Honeywell T6 Pro Wi-Fi Programmable Thermostat - Plus Honeywell Home Mobile App ... Honeywell pro series heat won't turn on/ keeps turns ...This causes the bimetal coil to expand, pushing the contact toward a magnet which completes a circuit to your A/C unit. There's the "click.". If you have an older thermostat, the "clicking" is caused by the electrical contacts on a mercury bulb to fall to one side (heat) or the other (cool). Thermostats possessing temperature dials ...When your Ecobee thermostat is not heating it could be that it is not momentarily conducting a significant current through its W1 terminal to the furnace controller’s W terminal. You can start by checking if the hot surface ignitor is glowing bright enough. But because the heat is not turning on, it probably won’t glow.10 Possible Causes Why Honeywell AC Won't Turn Off. Before we dive into troubleshooting, it's essential to grasp the core of the issue: why your Honeywell thermostat won't turn off AC. This understanding will empower you to pinpoint the problem and apply the correct solution effectively. Here are some 10 common causes:Honeywell Thermostat Won’t Turn On Heat. If you feel like the heat isn’t turning on timely and that the thermostat isn’t reaching the temperature level, you could check for the following: HVAC access door/furnace door is open; Tripped circuit breaker; Fan not working; Make sure HVAC access doors, as well as the furnace door, are shut.2. Power Cycle Your Thermostat. Power cycling your thermostat has to do with removing and replacing the batteries and/or turning the thermostat off and then back on after some time. Doing this usually helps to resolve common problems such as the 'not working issues'. So remove your thermostat battery cover and then remove the batteries.There could be a few reasons why your Honeywell AC won’t turn off. Check if the thermostat is set to the correct temperature and mode. If it is, try resetting the unit by turning off the power and turning it back on. If the issue persists, it may be a malfunctioning thermostat or control board. Can a dirty filter cause the Honeywell AC to not ...Furnace Blower Fan Wont Turn Off. That is a common occurrence and can be a result of the following: Fan select switch on the thermostat is in the manual "ON" position. A control wiring problem where the insulation on the wiring is worn off. A bad relay, fan sequencer relay, fan limit control or circuit board with contacts sticking (this ...Solution: Fortunately, it’s easy to rectify thermostat settings. All you need to do is keep the settings between 68°F and 70°F in line with the DOE recommendations. 3. Electrical Issues. The furnace can also run nonstop and effectively refuse to shut off with the thermostat due to underlying electrical issues.I can manually turn it off with the switch on the thermostat - but it does not automatically switch off based on the temperature we set for it. For example, this morning I set it to 73 degrees, turned the fan on auto and turn the setting to heat. The heater kicked on and when I came back a about 20 minutes later the temperature was 80 degrees!.Check the relays. Another possible cause for a baseboard heater that won’t turn off is a faulty relay. Relays are responsible for controlling the flow of electricity to the heater. If a relay gets stuck in the “on” position, the heater will continue to run even when it should be off. Check the relays for any signs of damage or malfunction.Gently pull the thermostat away from the wallplate, remove the battery and replace it with a new one. To tell if your Lyric has AC power, gently pull the thermostat away from the wallplate and look at your wiring. If you have a wire in the C terminal, you should have AC power and your Lyric's screen should not go blank.1. Set the TRV to max when removing and replacing. 2. Never hit the pin. You can try tapping the side of the valve to see if that loosens the pin. If the pin is stuck down, use a pair of pliers to pull the pin up a few mm (you don't want to bend the pin). If it is stuck up, use something to press down on the pin.Before touching any wires or connections, be sure to turn off the breaker that powers your thermostat. All Honeywell thermostats use the "G" terminal to control the fan. If no wire is connected to the G terminal (or the wire is not secure), the fan will not activate. If the G wire is fine but the fan won't turn on, your HVAC system needs servicing.Resetting (rebooting) your Honeywell thermostat can work wonders like with any other electronic device. It can clear up glitches and corrupted settings, thus fixing the issue. To reset your Honeywell thermostat: Turn off the thermostat switch; Open the battery slot and remove the batteries; Insert them backward and wait about 5 to 10 secondsHoneywell Thermostat Won’t Turn on Heat? How to Fix. For the most part, problems with a Honeywell thermostat heating system may require an HVAC professional to fix. But it could be a minor issue sometimes and you could fix it by doing the following: Go to your vents and check the airflow. Examine the furnace system. Check the thermostat …For example, if you have the thermostat set to 72 degrees the system will turn on and off but the inside reading on the thermostat never changes from 72. The actual temperature did fall to 71 or up to 73 and that is what turned on the heating or cooling but the thermostat display will stay at 72 to avoid jumping up and down constantly.Now the pilot is lit, but the thermocouple will not instantly heat up enough to keep the gas valve flowing. So, keep holding down whatever you started holding down in step 2 for several more seconds. If you let go too soon, the pilot will go out and you'll have to start over. Once the pilot is lit, turn the knob (2) from the PILOT position to ON.No heat mode, Honeywell T9 Smart Thermostat, Thermostat only displays cool mode and - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.Find the transformer and turn off the power to that appliance , or put off the switch if it is located on the breaker panel. Disconnecting or turning off power to the AC and/or furnace will automatically cut power to the thermostat if it is embedded there. You can turn the power off to these appliances by putting off the breakers as described ...Google Home is a tough contender for the Amazon Echo, but it launched with much less third-party support. Now, the company’s added Belkin WeMo and Honeywell to the list of supporte...HOW TO OVERRIDE THE SCHEDULE ON THE SERIES 2000 THERMOSTAT. Press up or down on the buttons with triangles to immediately adjust the temperature. This will temporarily override the temperature setting for the current scheduled time period. "Temporary" will appear on the display. The new temperature will be used until the next scheduled time ...STEP 1 - First, turn off the HVAC system switch. STEP 2 - Use a coin to open the battery compartment of Honeywell thermostats. STEP 3 - Take out the batteries and wait for some time. STEP 4 - Now insert the batteries back again in their correct order. STEP 5 - Ensure that the alignments of the terminals are correct.Remember, always turn off the power supply before inspecting any wiring connections to avoid any potential electrical hazards. Verifying the Thermostat Settings. When attempting to resolve the issue of a Honeywell thermostat not turning on the heat, it is important to verify that the settings are configured correctly for heating mode. This step ...Honeywell Thermostat Won’t Turn on Heat. If your Honeywell thermostat doesn’t turn on the heat, there could be a few different issues going on. ... However, some general tips for resetting a Honeywell thermostat include turning off the power to the unit at the breaker box, removing the thermostat’s cover, and pressing the reset button ...Possible reasons a honeywell thermostat keeps going up to 85 degrees. Cause. Fix. Low Battery. Replace battery. Active program Schedule. Use hold function to override a schedule or clear schedules. Faulty wiring. Ensure C wire is connected.Jul 3, 2018 ... How to change battery in Honeywell thermostat cool on but not working ac. Replace batt air conditioner if central air thermostat not working ...A Honeywell thermostat won’t turn on the heat because of faulty sensors, improper installation, tripped circuit breakers, etc. The heat not turning on issue on your …What to do if the Blower Fan Runs Continuously and Won't Shut Off? Questions & answers about using and wiring the thermostat FAN AUTO, ON, OFF switch control for heating, heat pump, and air conditioning systems ... FURNACE FAN WONT START; THERMOSTAT WON'T TURN OFF - heat won't turn off; ... Honeywell Consumer …Find the transformer and turn off the power to that appliance , or put off the switch if it is located on the breaker panel. Disconnecting or turning off power to the AC and/or furnace will automatically cut power to the thermostat if it is embedded there. You can turn the power off to these appliances by putting off the breakers as described ...I just had my heat pump replaced with a new 13-SEER 2 Ton York. The good news is, my A/C is working and blowing lots of cool air. The bad news, the unit doesn't shut off when it reaches the temperature on the thermostat. For example, I set it to 72 (it was only 73 inside before I turned it on). Within 10-15 minutes, the thermostat read 72, but ...Wait To See If It’s Delayed Signals. First things first. If your thermostat isn’t turned off entirely and it just turned the heat off, calm down. It can take several minutes for your furnace to turn off once they get the signal. Give it 10 minutes and see if you can still hear the hum of the furnace.If your thermostat won't go above 70, it's likely because the maximum temperature setting is configured to 70, or there is an active temperature limiter enabled on your thermostat. To address these issues, go to advanced setup settings and adjust the maximum temperature setting or deactivate any active temperature limiter .1. Check Connections. One of the leading reasons your thermostat can't shut your HVAC unit off is that it cannot read the right temperature. So, it could have something to do with your device's wiring or sensors. Thermostat connections can break down due to age, dirt, or pests. If the sensor isn't working correctly, you can switch the …Why Is My Honeywell Thermostat Not Turning On Heat?-----James Webb (2022, August 7.) Why is my Honeywell thermostat not turning on heat? WHYS.videoCo...Turning Off Heat at Thermostats that Include a Cool-Off-Heat Switch on the Thermostat. If your thermostat has a "Cool-Off-Heat" switch, such as those shown. at SWITCH FUNCTIONS on a ROOM THERMOSTSAT then just slide that little lever to "OFF" or "COOL" if you have A/C and want the air conditioning to kick in.Apr 25, 2020 ... Just gonna put this out here it might help someone. Figured out none of this is the problem of my furnace but the nest thermostat I ...If you own a Honeywell Pro Series thermostat, it’s essential to familiarize yourself with the user manual. The Honeywell Pro Series manual is a comprehensive guide that provides de...Check the unit's fuses and circuit breakers. If the display is blank, the breakers on your central air conditioner or furnace may have tripped. Flip the breaker switch off and then back on to reset the fuse . Verify that the small colored wires (R, W, Y, G, C) inside the thermostat are in the correct positions.Step 1: Turn off the power to your furnace/ air handler. A furnace switch will typically look like a light switch and be located on the side of the furnace. If you can't find the switch turn of the HVAC system at the main circuit breaker. Step 2: Remove your thermostat from the wall. This is usually done by pulling the thermostat from the ...I have a Honeywell vision pro 8000 and for some reason the thermostat won't bring up the temp and permanent hold options. So I can't change the temp. I put it on cool and the condenser won't turn on e … read more2/22/22. The thermostat has a feature called Adaptive Intelligent Recovery (AIR) or Smart Response or Early Start. 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 ...3. Furnace Won't Turn On Because of a Switch or Circuit Breaker. If your thermostat is compatible with your furnace but still your furnace is not turning on, then you will need to check your furnace power switch or the circuit breaker. Find out if the furnace power switch is on. If its off, reset it.The "AC Power Loss" message on your Honeywell thermostat indicates that the thermostat is no longer receiving power from the electrical source. This could be due to a power outage or a problem with the wiring or circuitry that connects the thermostat to the power supply. When the power supply to the thermostat is interrupted, the thermostat ...Director. DEC. 10,579 satisfied customers. The screen is blank i changed the batteries. No will do now. the screen is blank i changed the batteries JA: I'm sorry to hear that you're having trouble with your Honeywell thermostat. Have you … read more. Kim Kimmel. Retired.The FAN selection key has two or three positions: Auto, On, and on select models, Circ (Circulate). The Auto position will allow the system fan to operate whenever the heating or cooling system is turned on by the thermostat. The fan will not blow air unless there is a call from the system. This is the normal setting for a system fan. The On ...Honeywell Thermostat Won't Turn On Heat. If you feel like the heat isn't turning on timely and that the thermostat isn't reaching the temperature level, you could check for the following: HVAC access door/furnace door is open; Tripped circuit breaker; Fan not working; Make sure HVAC access doors, as well as the furnace door, are shut.Here’s how to do it. 1. Keep the House Temperature Low. When you buy a new Honeywell thermostat, there’s a certain temp that you’ll need to set as the house temp. If you bring this temp to 68-70 degrees, the aux heat won’t turn on. That’s one of the parts of your thermostat’s programming.One of the most common causes of the Honeywell thermostat not communicating with the boiler is a power or connection issue. To check the power and connections, you will need a multimeter and a screwdriver. Follow these steps: Turn off the power to your thermostat and boiler at the circuit breaker. Remove the cover of your thermostat and locate ...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...Wait To See If It's Delayed Signals. First things first. If your thermostat isn't turned off entirely and it just turned the heat off, calm down. It can take several minutes for your furnace to turn off once they get the signal. Give it 10 minutes and see if you can still hear the hum of the furnace.Incorrect temperature settings: If the desired temperature set on the thermostat is lower or equal to the current room temperature, the heating system won't activate. Incorrect thermostat mode ...Advertisement. ‌ Honeywell Pro Series T4: ‌ Press Unlock on the screen and enter a four-digit PIN on the prompt. If you haven't set one up, the default is 1234. Use the +/- keys to scroll to each digit, and use the Select key to advance to the next digit. Once you've entered the PIN, the thermostat is unlocked.The FAN selection key has two or three positions: Auto, On, and on select models, Circ (Circulate). The Auto position will allow the system fan to operate whenever the heating or cooling system is turned on by the thermostat. The fan will not blow air unless there is a call from the system. This is the normal setting for a system fan. The On ...May 2, 2015 ... If your digital thermostat isn't working so your heat or ac isn't turning on. It might be a very simple solution. If your heat still isn't ...1-Week Programmable Thermostat Support; 5-2 Day Programmable Thermostat Support; Single-stage Programmable Thermostat Support; Pro 2000 Horizontal Programmable Thermostat Support; T6 Pro Smart Thermostat Support; T5/T5+ Smart Thermostat SupportTurn Off the Schedule. Tap or press on "Menu" on the home screen. Use the left and right arrow buttons to scroll to the "SCHEDULE" or "PROG" setting. Then, tap on "Select". After that, press the "Sched.On/Off" button to enable/disable the schedule or simply use the left and right arrows to toggle the setting to "Off".DIY Fixes for Honeywell Fan Won't Turn On. If you've identified the common cause of your Honeywell fan won't turn on issue through troubleshooting, and you're confident in your DIY skills, here are some step-by-step fixes for common problems. Remember to exercise caution and prioritize safety when working with electrical components. 1.Apr 25, 2020 ... Just gonna put this out here it might help someone. Figured out none of this is the problem of my furnace but the nest thermostat I ...53175317Xx$. Nov 17, 2022. #1. Quadrafire Santa Fe operated normally last year off of a simple thermostat mounted on wall. This season, when switched to heat, the stove runs normally and shuts down when desired temp is teached.. But once stove shuts down, it won't restart on its own, I need to turn off thermostat and back on for another heat cycle.26 Nov 2014. #1. Hi. I have just recently had a new boiler installed, an Ideal Vogue along with a new honeywell t6360 thermostat. The problem is that the thermostat is not turning off the boiler when it gets up to temperature and the thermostat always seems to come on when set at 17 degrees regardless of the room temperature.Check the relays. Another possible cause for a baseboard heater that won't turn off is a faulty relay. Relays are responsible for controlling the flow of electricity to the heater. If a relay gets stuck in the "on" position, the heater will continue to run even when it should be off. Check the relays for any signs of damage or malfunction.Before touching any wires or connections, be sure to turn off the breaker that powers your thermostat. All Honeywell thermostats use the "G" terminal to control the fan. If no wire is connected to the G terminal (or the wire is not secure), the fan will not activate. If the G wire is fine but the fan won't turn on, your HVAC system needs servicing.

A Honeywell thermostat won’t turn on the heat because of faulty sensors, improper installation, tripped circuit breakers, etc. The heat not turning on issue on your …. 8009728088

honeywell thermostat heat won't turn off

Close the circuit breaker: the heaters stay at room temperature. Set the thermostat to 70F: heaters warm to around 200-250F. Room reaches 70F: thermostat turns off (I can hear the click), one of the heaters cools to around 110F while the other cools to around 160F. Turn the dial all the way down to "off": heaters stay the same temperature.Fix your AC fast with my video. Air condition wont start maybe I got the solution. Let me know if you get your AC to start in the comment section below🔹️ 5 ...Tim my ac will not turn off even after cooling to set temp. I have tried all options on the Honeywell control. ... Gm i have a york heat pump 3ton unit with 2-1 with em heat honeywell thermostat i have boiler experience but not to much with HVAC. ... Intermittently, once every 2-3 months, my central a/c won't shut off. It's a two zone system ...Step 3: Scroll down to "Smart Response Technology" and select it. Step 4: Select "Off" to turn off the recovery mode. Step 5: Press the "Done" button to save your changes. Once you have completed these steps, your Honeywell thermostat will no longer be in recovery mode. If you encounter any issues or the recovery mode persists, it ...CT30/CT33 Low-voltage Thermostat 5. Set adjustment lever (CT30 only) 1 Separate cover from thermostat, and remove the plastic insert. 2 Use a pencil to move the adjust- ment lever to the proper setting for your system (see table below). Finish installation. 1 Align the 3 tabs on the cover with slots on the thermostat, then push gently until the ...Change fan settings from “On” to “Auto” or “Circ” using app or thermostat menu. “On” setting runs fan continuously, “Auto” only activates fan when heating/cooling systems are on. “Circ” setting runs fan intermittently for 20 minutes per hour. If fan won’t turn off, check if thermostat is set to “On” instead of ...Possible reasons a honeywell thermostat keeps going up to 85 degrees. Cause. Fix. Low Battery. Replace battery. Active program Schedule. Use hold function to override a schedule or clear schedules. Faulty wiring. Ensure C wire is connected.Remove front cover from thermostat, There you will see the control wires, You can jump R and RH and W terminals with a pair of needle nose pliers, disconnect them and twist the together or use a jumper wire to touch RH and W. If thermostat is the problem, heat should come on. Ask Your Own HVAC Question.Table of Contents. Honeywell thermostat buttons not working - what to do. Fix 1: Clean the buttons. Step 1: Yank the thermostat off the wall. Step 2: Remove the battery compartment. Step 3: Separate the front (from the back) Step 4: Inspect the front part. Step 5: Clean the dirt off. Step 6: Re-assemble the unit.Possible fix for an oil radiator heater that won't power on. Easy fix!Model: HZ-709Bit required to open front panel: T10 security bit (has a small hole in t...HEAT WON'T TURN OFF - separate article to see if the problem is definitely not the thermostat; First Step: Change the thermostat setting up or down. If the heating system won't turn OFF, that is if heat keeps being delivered even when you don't want it, set the thermostat to its lowest temperature setting and wait three to five minutes.Step 1: Turn off the power to your furnace/ air handler. A furnace switch will typically look like a light switch and be located on the side of the furnace. If you can't find the switch turn of the HVAC system at the main circuit breaker. Step 2: Remove your thermostat from the wall. This is usually done by pulling the thermostat from the ...Nov 8, 2022 · Make sure the furnace circuit breaker switches are on. In most cases, your thermostat turns on the compressor and fan (Y and G terminals/ wires) during cooling. Remove your thermostat faceplate. Verify these wires are firmly connected to the correct terminals. If the cooling still doesn't come on, but has worked in the past, call a professional ... If they're dead, replace them. Batteries generally need to be replaced, on average every 6 to 8 months. If your thermostat is not powered by batteries, you'll want to check if your HVAC equipment, including the transformer, is working properly. Check if the fuse is bad.Now the pilot is lit, but the thermocouple will not instantly heat up enough to keep the gas valve flowing. So, keep holding down whatever you started holding down in step 2 for several more seconds. If you let go too soon, the pilot will go out and you'll have to start over. Once the pilot is lit, turn the knob (2) from the PILOT position to ON.One common problem users face is when their Honeywell thermostat fails to turn on the heat. In this guide, we'll walk you through a step-by-step troubleshooting process to help you resolve this issue. Check Power Source. The first thing to do when your Honeywell thermostat won't turn on the heat is to ensure it has a power source.Go to your furnace, open up the access panel, and see where the other end of the thermostat wire bundle goes. There's an electronic board on there with a terminal block just like your thermostat. Make sure each wire goes to the same terminal on both the thermostat end and the furnace end.2. Power Cycle Your Thermostat. Power cycling your thermostat has to do with removing and replacing the batteries and/or turning the thermostat off and then back on after some time. Doing this usually helps to resolve common problems such as the 'not working issues'. So remove your thermostat battery cover and then remove the batteries..

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